-- Initial SQLITE schema for Aural Isle

--This file represents the initial schema for the various data structures to be stored in the database.

-- The Persons table will contain data about Person entities (see MODELS.md)
CREATE TABLE IF NOT EXISTS Persons (
	id TEXT(36),    /* UUIDv4 */
	remote_id TEXT, /* field to store an arbitrary remote identifier for this Person if they are not local */
	name TEXT,      /* "real" name */
	handle TEXT,    /* also commonly refered to as 'display_name' or 'screen_name', optional (if missing, name will be used as handle) */
	avatar TEXT,	/* optional URL to Person's avatar image / profile pic */
	cover TEXT,		/* optional URL to Person's cover image / header image */
	bio TEXT,		/* optional biographical text provided by Person */
	is_active INTEGER DEFAULT (1),    /* bool, default true */
	is_blocked INTEGER DEFAULT (0),   /* bool, default false */
	created_at INTEGER,               /* timestamp */
	modified_at INTEGER,              /* timestamp */
	modified_by TEXT(36),             /* UUIDv4 */
	deleted_at INTEGER,               /* timestamp */
	deleted_by TEXT(36),              /* UUIDv4 */
	last_seen INTEGER,                /* timestamp */
	/*shipping_address TEXT,*/            /* optional, should use \n between lines to keep localized format as needed - UPDATE: moving to lookup table */
	CONSTRAINT Persons_PK PRIMARY KEY (id),
	CONSTRAINT Persons_FK FOREIGN KEY (modified_by) REFERENCES Persons(id),
	CONSTRAINT Persons_FK_1 FOREIGN KEY (deleted_by) REFERENCES Persons(id)
);
CREATE UNIQUE INDEX IF NOT EXISTS Persons_remote_id_IDX ON Persons (remote_id);
CREATE INDEX IF NOT EXISTS Persons_name_IDX ON Persons (name);
CREATE INDEX IF NOT EXISTS Persons_handle_IDX ON Persons (handle);
CREATE INDEX IF NOT EXISTS Persons_is_active_IDX ON Persons (is_active);
CREATE INDEX IF NOT EXISTS Persons_is_blocked_IDX ON Persons (is_blocked);
CREATE INDEX IF NOT EXISTS Persons_deleted_at_IDX ON Persons (deleted_at);

-- The PersonShippingAddresses table is a one-to-many lookup table relating a Person to zero or more shipping addresses 
CREATE TABLE IF NOT EXISTS PersonShippingAddresses (
    id TEXT(36),                        /* UUIDv4 */
    person_id TEXT(36),                 /* UUIDv4 */ 
    shipping_address TEXT,              /* mandatory, should use \n between lines to keep localized format as needed */ 
    is_primary INTEGER DEFAULT (0),     /* bool, default false */ 
    created_at INTEGER,                 /* timestamp */ 
    modified_at INTEGER,                /* timestamp */ 
    modified_by TEXT(36),               /* UUIDv4 */ 
    deleted_at INTEGER,                 /* timestamp */ 
    deleted_by TEXT(36),                /* UUIDv4 */ 
    CONSTRAINT PersonShippingAddresses_PK PRIMARY KEY (id),
    CONSTRAINT PersonShippingAddresses_FK FOREIGN KEY (person_id) REFERENCES Persons(id),
    CONSTRAINT PersonShippingAddresses_FK_1 FOREIGN KEY (modified_by) REFERENCES Persons(id),
    CONSTRAINT PersonShippingAddresses_FK_2 FOREIGN KEY (deleted_by) REFERENCES Persons(id)
);
CREATE UNIQUE INDEX IF NOT EXISTS PersonShippingAddresses_is_primary_IDX ON PersonShippingAddresses (is_primary);

-- The PersonEmails table is a one-to-many lookup table relating a Person to zero or more email addresses
CREATE TABLE IF NOT EXISTS PersonEmails (
	person_id TEXT(36),
	email TEXT,
	is_verified INTEGER DEFAULT (0),
	is_primary INTEGER DEFAULT (0),
	CONSTRAINT PersonEmails_PK PRIMARY KEY (email),
	CONSTRAINT PersonEmails_FK FOREIGN KEY (person_id) REFERENCES Persons(id) ON DELETE CASCADE
);
CREATE INDEX IF NOT EXISTS PersonEmails_person_id_IDX ON PersonEmails (person_id);
CREATE INDEX IF NOT EXISTS PersonEmails_is_verified_IDX ON PersonEmails (is_verified);
CREATE INDEX IF NOT EXISTS PersonEmails_is_primary_IDX ON PersonEmails (is_primary);

-- The PersonCredentialProvider table will contain configuration for different authentication providers.
CREATE TABLE IF NOT EXISTS PersonCredentialProvider (
	id TEXT(36),
	name TEXT,
	"type" TEXT,
	config TEXT,
	CONSTRAINT PersonCredentialProvider_PK PRIMARY KEY (id)
);
CREATE INDEX IF NOT EXISTS PersonCredentialProvider_name_IDX ON PersonCredentialProvider (name);
CREATE INDEX IF NOT EXISTS PersonCredentialProvider_type_IDX ON PersonCredentialProvider ("type");

-- The PersonCredential table will contain authentication credentials for Persons
CREATE TABLE IF NOT EXISTS PersonCredential (
	id TEXT(36),
	person_id TEXT(36),
	provider_id TEXT(36),
	provider_user_id TEXT(36),
	is_enabled INTEGER DEFAULT (1),
	CONSTRAINT PersonCredential_PK PRIMARY KEY (id),
	CONSTRAINT PersonCredential_FK FOREIGN KEY (person_id) REFERENCES Persons(id) ON DELETE CASCADE,
	CONSTRAINT PersonCredential_FK_1 FOREIGN KEY (provider_id) REFERENCES PersonCredentialProvider(id) ON DELETE CASCADE
);
CREATE INDEX IF NOT EXISTS PersonCredential_person_id_IDX ON PersonCredential (person_id);
CREATE INDEX IF NOT EXISTS PersonCredential_provider_id_IDX ON PersonCredential (provider_id);
CREATE INDEX IF NOT EXISTS PersonCredential_is_enabled_IDX ON PersonCredential (is_enabled);

-- The PersonLocal table will contain hashed and salted passwords for users authenticating via PersonCredentialProvider.Local type provider
CREATE TABLE IF NOT EXISTS PersonLocal (
	person_id TEXT(36),
	hash TEXT,
	modified_at INTEGER,
	modified_by TEXT(36),
	CONSTRAINT PersonLocal_PK PRIMARY KEY (person_id),
	CONSTRAINT PersonLocal_FK FOREIGN KEY (person_id) REFERENCES Persons(id) ON DELETE CASCADE
);

-- The Tags table will contain tags for categorization of other entities. Tags use the originating host and the tag name as a composite key to allow for us to search for commonalities across instances (for example, "show me Albums matching *::tag::jazz" to see all the jazz albums this instance is aware of, "show me Albums matching sundog-isle.reclaim.technology::tag::jazz" to see only albums tagged as jazz on that one specific instance named in the host field).
CREATE TABLE IF NOT EXISTS Tags (
	id TEXT(36),
	host TEXT,
	tag TEXT,
	CONSTRAINT Tags_PK PRIMARY KEY (id)
);
CREATE UNIQUE INDEX IF NOT EXISTS Tags_host_IDX ON Tags (host,tag);

-- The Labels table will contain data about record labels/imprints that manage one or more Artists and their content.
CREATE TABLE IF NOT EXISTS Labels (
	id TEXT(36),
	name TEXT,
	description TEXT,
	website TEXT,
	is_enabled INTEGER DEFAULT (1),
	created_by TEXT(36),
	created_at INTEGER,
	modified_by TEXT(36),
	modified_at INTEGER,
	deleted_by TEXT(36),
	deleted_at INTEGER,
	CONSTRAINT Labels_PK PRIMARY KEY (id),
	CONSTRAINT Labels_FK FOREIGN KEY (created_by) REFERENCES Persons(id),
	CONSTRAINT Labels_FK_1 FOREIGN KEY (modified_at) REFERENCES Persons(id),
	CONSTRAINT Labels_FK_2 FOREIGN KEY (deleted_by) REFERENCES Persons(id)
);
CREATE INDEX IF NOT EXISTS Labels_name_IDX ON Labels (name);
CREATE INDEX IF NOT EXISTS Labels_description_IDX ON Labels (description);
CREATE INDEX IF NOT EXISTS Labels_is_enabled_IDX ON Labels (is_enabled);
CREATE INDEX IF NOT EXISTS Labels_created_by_IDX ON Labels (created_by);
CREATE INDEX IF NOT EXISTS Labels_deleted_at_IDX ON Labels (deleted_at);

-- The LabelContacts table will contain key-value pairs of methods to contact representatives of the Label (for example, "fediverse: sundog@toot-lab.reclaim.technology" or "email: sundog@reclaim.technology").
CREATE TABLE IF NOT EXISTS LabelContacts (
	id TEXT(36),
	label_id TEXT(36),
	"method" TEXT,
	address TEXT,
	created_by TEXT(36),
	created_at INTEGER,
	modified_by TEXT(36),
	modified_at INTEGER,
	deleted_by TEXT(36),
	deleted_at INTEGER,
	sort_order INTEGER,
	CONSTRAINT LabelContacts_PK PRIMARY KEY (id),
	CONSTRAINT LabelContacts_FK FOREIGN KEY (created_by) REFERENCES Persons(id),
	CONSTRAINT LabelContacts_FK_1 FOREIGN KEY (modified_by) REFERENCES Persons(id),
	CONSTRAINT LabelContacts_FK_2 FOREIGN KEY (deleted_by) REFERENCES Persons(id),
	CONSTRAINT LabelContacts_FK_3 FOREIGN KEY (label_id) REFERENCES Labels(id) ON DELETE CASCADE
);
CREATE INDEX IF NOT EXISTS LabelContacts_sort_order_IDX ON LabelContacts (sort_order);

-- The LabelTags table will contain Tags that have been assigned to a Label.
CREATE TABLE IF NOT EXISTS LabelTags (
	label_id TEXT(36),
	tag_id TEXT(36),
	is_approved INTEGER DEFAULT (0),
	CONSTRAINT LabelTags_PK PRIMARY KEY (label_id,tag_id),
	CONSTRAINT LabelTags_FK FOREIGN KEY (label_id) REFERENCES Labels(id) ON DELETE CASCADE,
	CONSTRAINT LabelTags_FK_1 FOREIGN KEY (tag_id) REFERENCES Tags(id) ON DELETE CASCADE
);
CREATE INDEX IF NOT EXISTS LabelTags_is_approved_IDX ON LabelTags (is_approved);
CREATE INDEX IF NOT EXISTS LabelTags_tag_id_IDX ON LabelTags (tag_id);
CREATE INDEX IF NOT EXISTS LabelTags_label_id_IDX ON LabelTags (label_id);

-- The Artists table will contain Artists!
CREATE TABLE IF NOT EXISTS Artists (
	id TEXT(36),
	label_id TEXT(36),
	name TEXT,
	bio TEXT,
	website TEXT,
	created_by TEXT(36),
	created_at INTEGER,
	modified_by TEXT(36),
	modified_at INTEGER,
	deleted_by TEXT(36),
	deleted_at INTEGER,
	is_enabled INTEGER DEFAULT (1),
	is_public INTEGER DEFAULT (1),
	CONSTRAINT Artists_PK PRIMARY KEY (id),
	CONSTRAINT Artists_FK FOREIGN KEY (created_by) REFERENCES Persons(id),
	CONSTRAINT Artists_FK_1 FOREIGN KEY (modified_by) REFERENCES Persons(id),
	CONSTRAINT Artists_FK_2 FOREIGN KEY (deleted_by) REFERENCES Persons(id)
);
CREATE INDEX IF NOT EXISTS Artists_name_IDX ON Artists (name);
CREATE INDEX IF NOT EXISTS Artists_is_enabled_IDX ON Artists (is_enabled);
CREATE INDEX IF NOT EXISTS Artists_is_public_IDX ON Artists (is_public);

-- The ArtistContacts tablekey-value pairs of methods to contact representatives of the Artist (for example, "fediverse: sundog@toot-lab.reclaim.technology" or "email: sundog@reclaim.technology").
CREATE TABLE IF NOT EXISTS ArtistContacts (
	id TEXT(36),
	artist_id TEXT(36),
	"method" TEXT,
	address TEXT,
	created_by TEXT(36),
	created_at INTEGER,
	modified_by TEXT(36),
	modified_at INTEGER,
	deleted_by TEXT(36),
	deleted_at INTEGER,
	sort_order INTEGER,
	CONSTRAINT ArtistContacts_PK PRIMARY KEY (id),
	CONSTRAINT ArtistContacts_FK FOREIGN KEY (artist_id) REFERENCES Artists(id) ON DELETE CASCADE
	CONSTRAINT ArtistContacts_FK_1 FOREIGN KEY (created_by) REFERENCES Persons(id),
	CONSTRAINT ArtistContacts_FK_2 FOREIGN KEY (modified_by) REFERENCES Persons(id),
	CONSTRAINT ArtistContacts_FK_3 FOREIGN KEY (deleted_by) REFERENCES Persons(id)
);
CREATE INDEX IF NOT EXISTS ArtistContacts_artist_id_IDX ON ArtistContacts (artist_id);
CREATE INDEX IF NOT EXISTS ArtistContacts_deleted_at_IDX ON ArtistContacts (deleted_at);
CREATE INDEX IF NOT EXISTS ArtistContacts_sort_order_IDX ON ArtistContacts (sort_order);

-- The ArtistTags table will contain Tags that have been assigned to an Artist.
CREATE TABLE IF NOT EXISTS ArtistTags (
	artist_id TEXT(36),
	tag_id TEXT(36),
	is_approved INTEGER DEFAULT (0),
	CONSTRAINT ArtistTags_PK PRIMARY KEY (artist_id,tag_id),
	CONSTRAINT ArtistTags_FK FOREIGN KEY (artist_id) REFERENCES Artists(id) ON DELETE CASCADE,
	CONSTRAINT ArtistTags_FK_1 FOREIGN KEY (tag_id) REFERENCES Tags(id) ON DELETE CASCADE
);
CREATE INDEX IF NOT EXISTS ArtistTags_is_approved_IDX ON ArtistTags (is_approved);
CREATE INDEX IF NOT EXISTS ArtistTags_artist_id_IDX ON ArtistTags (artist_id);
CREATE INDEX IF NOT EXISTS ArtistTags_tag_id_IDX ON ArtistTags (tag_id);

-- The Tracks table will contain Tracks!
CREATE TABLE IF NOT EXISTS Tracks (
	id TEXT(36),
	title TEXT,
	description TEXT,
	duration REAL,
	is_public INTEGER,
	is_available INTEGER DEFAULT (1),
	preview_source TEXT,
	"source" TEXT,
	price INTEGER DEFAULT (0),
	created_by TEXT(36),
	created_at INTEGER,
	modified_by TEXT(36),
	modified_at INTEGER,
	deleted_by TEXT(36),
	deleted_at INTEGER,
	lyrics TEXT,
	CONSTRAINT Tracks_PK PRIMARY KEY (id),
	CONSTRAINT Tracks_FK FOREIGN KEY (created_by) REFERENCES Persons(id),
	CONSTRAINT Tracks_FK_1 FOREIGN KEY (modified_by) REFERENCES Persons(id),
	CONSTRAINT Tracks_FK_2 FOREIGN KEY (deleted_by) REFERENCES Persons(id)
);
CREATE INDEX IF NOT EXISTS Tracks_title_IDX ON Tracks (title);
CREATE INDEX IF NOT EXISTS Tracks_duration_IDX ON Tracks (duration);
CREATE INDEX IF NOT EXISTS Tracks_is_public_IDX ON Tracks (is_public);
CREATE INDEX IF NOT EXISTS Tracks_is_available_IDX ON Tracks (is_available);
CREATE INDEX IF NOT EXISTS Tracks_price_IDX ON Tracks (price);
CREATE INDEX IF NOT EXISTS Tracks_created_by_IDX ON Tracks (created_by);
CREATE INDEX IF NOT EXISTS Tracks_deleted_at_IDX ON Tracks (deleted_at);
CREATE INDEX IF NOT EXISTS Tracks_lyrics_IDX ON Tracks (lyrics);

-- The TrackArtists table will be a one-to-many lookup table mapping Artists to a particular Track.
CREATE TABLE IF NOT EXISTS TrackArtists (
	track_id TEXT(36),
	artist_id TEXT(36),
	is_primary INTEGER DEFAULT (0),
	CONSTRAINT TrackArtists_PK PRIMARY KEY (track_id,artist_id),
	CONSTRAINT TrackArtists_FK FOREIGN KEY (track_id) REFERENCES Tracks(id) ON DELETE CASCADE,
	CONSTRAINT TrackArtists_FK_1 FOREIGN KEY (artist_id) REFERENCES Artists(id) ON DELETE CASCADE
);
CREATE INDEX IF NOT EXISTS TrackArtists_is_primary_IDX ON TrackArtists (is_primary);
CREATE INDEX IF NOT EXISTS TrackArtists_track_id_IDX ON TrackArtists (track_id);
CREATE INDEX IF NOT EXISTS TrackArtists_artist_id_IDX ON TrackArtists (artist_id);

-- The TrackTags table will contain Tags that have been assigned to a Track.
CREATE TABLE IF NOT EXISTS TrackTags (
	track_id TEXT(36),
	tag_id TEXT(36),
	is_approved INTEGER DEFAULT (0),
	CONSTRAINT TrackTags_PK PRIMARY KEY (track_id,tag_id),
	CONSTRAINT TrackTags_FK FOREIGN KEY (track_id) REFERENCES Tracks(id) ON DELETE CASCADE,
	CONSTRAINT TrackTags_FK_1 FOREIGN KEY (tag_id) REFERENCES Tags(id) ON DELETE CASCADE
);
CREATE INDEX IF NOT EXISTS TrackTags_is_approved_IDX ON TrackTags (is_approved);
CREATE INDEX IF NOT EXISTS TrackTags_track_id_IDX ON TrackTags (track_id);
CREATE INDEX IF NOT EXISTS TrackTags_tag_id_IDX ON TrackTags (tag_id);

-- The Albums table will contain Albums!
CREATE TABLE IF NOT EXISTS Albums (
	id TEXT(36),
	title TEXT,
	description TEXT,
	is_public INTEGER DEFAULT (0),
	is_available INTEGER DEFAULT (1),
	preview_source TEXT,
	"source" TEXT,
	price INTEGER DEFAULT (0),
	created_by TEXT(36),
	created_at INTEGER,
	modified_by TEXT(36),
	modified_at INTEGER,
	deleted_by TEXT(36),
	deleted_at INTEGER,
	CONSTRAINT Albums_PK PRIMARY KEY (id),
	CONSTRAINT Albums_FK FOREIGN KEY (created_by) REFERENCES Persons(id),
	CONSTRAINT Albums_FK_1 FOREIGN KEY (modified_by) REFERENCES Persons(id),
	CONSTRAINT Albums_FK_2 FOREIGN KEY (deleted_by) REFERENCES Persons(id)
);
CREATE INDEX IF NOT EXISTS Albums_title_IDX ON Albums (title);
CREATE INDEX IF NOT EXISTS Albums_description_IDX ON Albums (description);
CREATE INDEX IF NOT EXISTS Albums_is_public_IDX ON Albums (is_public);
CREATE INDEX IF NOT EXISTS Albums_is_available_IDX ON Albums (is_available);
CREATE INDEX IF NOT EXISTS Albums_price_IDX ON Albums (price);
CREATE INDEX IF NOT EXISTS Albums_created_by_IDX ON Albums (created_by);
CREATE INDEX IF NOT EXISTS Albums_deleted_at_IDX ON Albums (deleted_at);

-- The AlbumArtists table will be a one-to-many lookup table mapping Artists to a particular Album.
CREATE TABLE IF NOT EXISTS AlbumArtists (
	album_id TEXT(36),
	artist_id TEXT(36),
	is_primary INTEGER DEFAULT (0),
	CONSTRAINT AlbumArtists_PK PRIMARY KEY (album_id,artist_id),
	CONSTRAINT AlbumArtists_FK FOREIGN KEY (album_id) REFERENCES Albums(id) ON DELETE CASCADE,
	CONSTRAINT AlbumArtists_FK_1 FOREIGN KEY (artist_id) REFERENCES Artists(id) ON DELETE CASCADE
);
CREATE INDEX IF NOT EXISTS AlbumArtists_is_primary_IDX ON AlbumArtists (is_primary);
CREATE INDEX IF NOT EXISTS AlbumArtists_album_id_IDX ON AlbumArtists (album_id);
CREATE INDEX IF NOT EXISTS AlbumArtists_artist_id_IDX ON AlbumArtists (artist_id);

-- The AlbumTags table will contain Tags that have been assigned to an Album.
CREATE TABLE IF NOT EXISTS AlbumTags (
	album_id TEXT(36),
	tag_id TEXT(36),
	is_approved INTEGER DEFAULT (0),
	CONSTRAINT AlbumTags_PK PRIMARY KEY (album_id,tag_id),
	CONSTRAINT AlbumTags_FK FOREIGN KEY (album_id) REFERENCES Albums(id) ON DELETE CASCADE,
	CONSTRAINT AlbumTags_FK_1 FOREIGN KEY (tag_id) REFERENCES Tags(id) ON DELETE CASCADE
);
CREATE INDEX IF NOT EXISTS AlbumTags_is_approved_IDX ON AlbumTags (is_approved);
CREATE INDEX IF NOT EXISTS AlbumTags_album_id_IDX ON AlbumTags (album_id);
CREATE INDEX IF NOT EXISTS AlbumTags_tag_id_IDX ON AlbumTags (tag_id);

-- The AlbumTracks table will be a many-to-many lookup table mapping Tracks to Albums
CREATE TABLE IF NOT EXISTS AlbumTracks (
	album_id TEXT(36),
	track_id TEXT(36),
	track_number INTEGER,
	CONSTRAINT AlbumTracks_PK PRIMARY KEY (album_id,track_id),
	CONSTRAINT AlbumTracks_FK FOREIGN KEY (album_id) REFERENCES Albums(id) ON DELETE CASCADE,
	CONSTRAINT AlbumTracks_FK_1 FOREIGN KEY (track_id) REFERENCES Tracks(id) ON DELETE CASCADE
);
CREATE INDEX IF NOT EXISTS AlbumTracks_track_number_IDX ON AlbumTracks (track_number);
CREATE INDEX IF NOT EXISTS AlbumTracks_album_id_IDX ON AlbumTracks (album_id);
CREATE INDEX IF NOT EXISTS AlbumTracks_track_id_IDX ON AlbumTracks (track_id);

-- The Playlists table will contain Playlists!
CREATE TABLE IF NOT EXISTS Playlists (
	id TEXT(36),
	title TEXT,
	description TEXT,
	created_by TEXT(36),
	created_at INTEGER,
	modified_at INTEGER,
	deleted_at INTEGER,
	is_public INTEGER DEFAULT (1),
	CONSTRAINT Playlists_PK PRIMARY KEY (id),
	CONSTRAINT Playlists_FK FOREIGN KEY (created_by) REFERENCES Persons(id)
);
CREATE INDEX IF NOT EXISTS Playlists_title_IDX ON Playlists (title);
CREATE INDEX IF NOT EXISTS Playlists_description_IDX ON Playlists (description);
CREATE INDEX IF NOT EXISTS Playlists_created_by_IDX ON Playlists (created_by);
CREATE INDEX IF NOT EXISTS Playlists_created_at_IDX ON Playlists (created_at);
CREATE INDEX IF NOT EXISTS Playlists_modified_at_IDX ON Playlists (modified_at);
CREATE INDEX IF NOT EXISTS Playlists_deleted_at_IDX ON Playlists (deleted_at);
CREATE INDEX IF NOT EXISTS Playlists_is_public_IDX ON Playlists (is_public);

-- The PlaylistTracks table will be a many-to-many lookup table mapping Tracks to Playlists
CREATE TABLE IF NOT EXISTS PlaylistTracks (
	playlist_track_id TEXT(36),
	playlist_id TEXT(36),
	track_id TEXT,
	track_number INTEGER,
	CONSTRAINT PlaylistTracks_PK PRIMARY KEY (playlist_track_id),
	CONSTRAINT PlaylistTracks_FK FOREIGN KEY (playlist_id) REFERENCES Playlists(id) ON DELETE CASCADE,
	CONSTRAINT PlaylistTracks_FK_1 FOREIGN KEY (track_id) REFERENCES Tracks(id) ON DELETE CASCADE
);
CREATE INDEX IF NOT EXISTS PlaylistTracks_track_number_IDX ON PlaylistTracks (track_number);
CREATE INDEX IF NOT EXISTS PlaylistTracks_playlist_id_IDX ON PlaylistTracks (playlist_id);
CREATE INDEX IF NOT EXISTS PlaylistTracks_track_id_IDX ON PlaylistTracks (track_id);

-- The PlaylistTags table will contain Tags that have been assigned to a Playlist.
CREATE TABLE IF NOT EXISTS PlaylistTags (
	playlist_id TEXT(36),
	tag_id TEXT(36),
	is_approved INTEGER DEFAULT (0),
	CONSTRAINT PlaylistTags_PK PRIMARY KEY (playlist_id,tag_id),
	CONSTRAINT PlaylistTags_FK FOREIGN KEY (playlist_id) REFERENCES Playlists(id) ON DELETE CASCADE,
	CONSTRAINT PlaylistTags_FK_1 FOREIGN KEY (tag_id) REFERENCES Tags(id) ON DELETE CASCADE
);
CREATE INDEX IF NOT EXISTS PlaylistTags_is_approved_IDX ON PlaylistTags (is_approved);
CREATE INDEX IF NOT EXISTS PlaylistTags_playlist_id_IDX ON PlaylistTags (playlist_id);
CREATE INDEX IF NOT EXISTS PlaylistTags_tag_id_IDX ON PlaylistTags (tag_id);

-- The Comments table will contain Comments!
CREATE TABLE IF NOT EXISTS Comments (
	id TEXT(36),
	body TEXT,
	created_by TEXT(36),
	created_at INTEGER,
	modified_by TEXT(36),
	modified_at INTEGER,
	deleted_by TEXT(36),
	deleted_at INTEGER,
	is_public INTEGER DEFAULT (1),
	is_approved INTEGER DEFAULT (0),
	in_reply_to TEXT(36),
	CONSTRAINT Comments_PK PRIMARY KEY (id),
	CONSTRAINT Comments_FK FOREIGN KEY (created_by) REFERENCES Persons(id),
	CONSTRAINT Comments_FK_1 FOREIGN KEY (modified_by) REFERENCES Persons(id),
	CONSTRAINT Comments_FK_2 FOREIGN KEY (deleted_by) REFERENCES Persons(id)
);
CREATE INDEX IF NOT EXISTS Comments_body_IDX ON Comments (body);
CREATE INDEX IF NOT EXISTS Comments_created_at_IDX ON Comments (created_at);
CREATE INDEX IF NOT EXISTS Comments_modified_at_IDX ON Comments (modified_at);
CREATE INDEX IF NOT EXISTS Comments_deleted_at_IDX ON Comments (deleted_at);
CREATE INDEX IF NOT EXISTS Comments_is_public_IDX ON Comments (is_public);
CREATE INDEX IF NOT EXISTS Comments_is_approved_IDX ON Comments (is_approved);
CREATE INDEX IF NOT EXISTS Comments_in_reply_to_IDX ON Comments (in_reply_to);

-- The LabelComments table will relate Comments to the Label they are about, if pertinent.
CREATE TABLE IF NOT EXISTS LabelComments (
	label_id TEXT(36),
	comment_id TEXT(36),
	CONSTRAINT LabelComments_PK PRIMARY KEY (label_id,comment_id),
	CONSTRAINT LabelComments_FK FOREIGN KEY (label_id) REFERENCES Labels(id) ON DELETE CASCADE,
	CONSTRAINT LabelComments_FK_1 FOREIGN KEY (comment_id) REFERENCES Comments(id) ON DELETE CASCADE
);
CREATE INDEX IF NOT EXISTS LabelComments_label_id_IDX ON LabelComments (label_id);
CREATE INDEX IF NOT EXISTS LabelComments_comment_id_IDX ON LabelComments (comment_id);

-- The ArtistComments table will relate Comments to the Artist they are about, if pertinent.
CREATE TABLE IF NOT EXISTS ArtistComments (
	artist_id TEXT(36),
	comment_id TEXT(36),
	CONSTRAINT ArtistComments_PK PRIMARY KEY (artist_id,comment_id),
	CONSTRAINT ArtistComments_FK FOREIGN KEY (artist_id) REFERENCES Artists(id) ON DELETE CASCADE,
	CONSTRAINT ArtistComments_FK_1 FOREIGN KEY (comment_id) REFERENCES Comments(id) ON DELETE CASCADE
);
CREATE INDEX IF NOT EXISTS ArtistComments_artist_id_IDX ON ArtistComments (artist_id);
CREATE INDEX IF NOT EXISTS ArtistComments_comment_id_IDX ON ArtistComments (comment_id);

-- The TrackComments table will relate Comments to the Track they are about, if pertinent.
CREATE TABLE IF NOT EXISTS TrackComments (
	track_id TEXT(36),
	comment_id TEXT(36),
	CONSTRAINT TrackComments_PK PRIMARY KEY (track_id,comment_id),
	CONSTRAINT TrackComments_FK FOREIGN KEY (track_id) REFERENCES Tracks(id) ON DELETE CASCADE,
	CONSTRAINT TrackComments_FK_1 FOREIGN KEY (comment_id) REFERENCES Comments(id) ON DELETE CASCADE
);
CREATE INDEX IF NOT EXISTS TrackComments_track_id_IDX ON TrackComments (track_id);
CREATE INDEX IF NOT EXISTS TrackComments_comment_id_IDX ON TrackComments (comment_id);

-- The AlbumComments table will relate Comments to the Album they are about, if pertinent.
CREATE TABLE IF NOT EXISTS AlbumComments (
	album_id TEXT(36),
	comment_id TEXT(36),
	CONSTRAINT AlbumComments_PK PRIMARY KEY (album_id,comment_id),
	CONSTRAINT AlbumComments_FK FOREIGN KEY (album_id) REFERENCES Albums(id) ON DELETE CASCADE,
	CONSTRAINT AlbumComments_FK_1 FOREIGN KEY (comment_id) REFERENCES Comments(id) ON DELETE CASCADE
);
CREATE INDEX IF NOT EXISTS AlbumComments_album_id_IDX ON AlbumComments (album_id);
CREATE INDEX IF NOT EXISTS AlbumComments_comment_id_IDX ON AlbumComments (comment_id);

-- The PlaylistComments table will relate Comments to the Playlist they are about, if pertinent.
CREATE TABLE IF NOT EXISTS PlaylistComments (
	playlist_id TEXT(36),
	comment_id TEXT(36),
	CONSTRAINT PlaylistComments_PK PRIMARY KEY (playlist_id,comment_id),
	CONSTRAINT PlaylistComments_FK FOREIGN KEY (playlist_id) REFERENCES Playlists(id) ON DELETE CASCADE,
	CONSTRAINT PlaylistComments_FK_1 FOREIGN KEY (comment_id) REFERENCES Comments(id) ON DELETE CASCADE
);
CREATE INDEX IF NOT EXISTS PlaylistComments_playlist_id_IDX ON PlaylistComments (playlist_id);
CREATE INDEX IF NOT EXISTS PlaylistComments_comment_id_IDX ON PlaylistComments (comment_id);

-- The Images table will contain Images!
CREATE TABLE IF NOT EXISTS Images (
	id TEXT(36),
	name TEXT,
	"path" TEXT,
	url TEXT,
	width INTEGER,
	height INTEGER,
	alt_text TEXT,
	is_public INTEGER DEFAULT (1),
	allow_hotlinking INTEGER DEFAULT (0),
	created_by TEXT(36),
	created_at INTEGER,
	modified_by TEXT(36),
	modified_at INTEGER,
	deleted_by TEXT(36),
	deleted_at INTEGER,
	CONSTRAINT Images_PK PRIMARY KEY (id),
	CONSTRAINT Images_FK FOREIGN KEY (created_by) REFERENCES Persons(id),
	CONSTRAINT Images_FK_1 FOREIGN KEY (modified_by) REFERENCES Persons(id),
	CONSTRAINT Images_FK_2 FOREIGN KEY (deleted_by) REFERENCES Persons(id)
);
CREATE INDEX IF NOT EXISTS Images_name_IDX ON Images (name);
CREATE INDEX IF NOT EXISTS Images_path_IDX ON Images ("path");
CREATE INDEX IF NOT EXISTS Images_url_IDX ON Images (url);
CREATE INDEX IF NOT EXISTS Images_alt_text_IDX ON Images (alt_text);
CREATE INDEX IF NOT EXISTS Images_is_public_IDX ON Images (is_public);
CREATE INDEX IF NOT EXISTS Images_allow_hotlinking_IDX ON Images (allow_hotlinking);
CREATE INDEX IF NOT EXISTS Images_created_by_IDX ON Images (created_by);
CREATE INDEX IF NOT EXISTS Images_deleted_at_IDX ON Images (deleted_at);

-- The Videos table will contain Videos!
CREATE TABLE IF NOT EXISTS Videos (
	id TEXT(36),
	name TEXT,
	"path" TEXT,
	url TEXT,
	width INTEGER,
	height INTEGER,
	duration NUMERIC,
	alt_text TEXT,
	is_public INTEGER DEFAULT (1),
	allow_hotlinking INTEGER DEFAULT (0),
	created_by TEXT(36),
	created_at INTEGER,
	modified_by TEXT(36),
	modified_at INTEGER,
	deleted_by TEXT(36),
	deleted_at INTEGER,
	CONSTRAINT Videos_PK PRIMARY KEY (id),
	CONSTRAINT Videos_FK FOREIGN KEY (created_by) REFERENCES Persons(id),
	CONSTRAINT Videos_FK_1 FOREIGN KEY (modified_by) REFERENCES Persons(id),
	CONSTRAINT Videos_FK_2 FOREIGN KEY (deleted_by) REFERENCES Persons(id)
);
CREATE INDEX IF NOT EXISTS Videos_name_IDX ON Videos (name);
CREATE INDEX IF NOT EXISTS Videos_path_IDX ON Videos ("path");
CREATE INDEX IF NOT EXISTS Videos_url_IDX ON Videos (url);
CREATE INDEX IF NOT EXISTS Videos_alt_text_IDX ON Videos (alt_text);
CREATE INDEX IF NOT EXISTS Videos_is_public_IDX ON Videos (is_public);
CREATE INDEX IF NOT EXISTS Videos_allow_hotlinking_IDX ON Videos (allow_hotlinking);
CREATE INDEX IF NOT EXISTS Videos_created_by_IDX ON Videos (created_by);
CREATE INDEX IF NOT EXISTS Videos_deleted_at_IDX ON Videos (deleted_at);

-- The Articles table will contain Articles!
CREATE TABLE IF NOT EXISTS Articles (
	id TEXT(36),
	title TEXT,
	body TEXT,
	description TEXT,
	created_by TEXT(36),
	created_at INTEGER,
	modified_at INTEGER,
	published_at INTEGER,
	deleted_at INTEGER,
	is_public INTEGER DEFAULT (0),
	is_draft INTEGER DEFAULT (1),
	CONSTRAINT Articles_PK PRIMARY KEY (id),
	CONSTRAINT Articles_FK FOREIGN KEY (created_by) REFERENCES Persons(id)
);
CREATE INDEX IF NOT EXISTS Articles_title_IDX ON Articles (title);
CREATE INDEX IF NOT EXISTS Articles_body_IDX ON Articles (body);
CREATE INDEX IF NOT EXISTS Articles_description_IDX ON Articles (description);
CREATE INDEX IF NOT EXISTS Articles_created_by_IDX ON Articles (created_by);
CREATE INDEX IF NOT EXISTS Articles_published_at_IDX ON Articles (published_at);
CREATE INDEX IF NOT EXISTS Articles_deleted_at_IDX ON Articles (deleted_at);
CREATE INDEX IF NOT EXISTS Articles_is_public_IDX ON Articles (is_public);
CREATE INDEX IF NOT EXISTS Articles_is_draft_IDX ON Articles (is_draft);

-- The ArticleTags table will contain Tags that have been assigned to an Article.
CREATE TABLE IF NOT EXISTS ArticleTags (
	article_id TEXT(36),
	tag_id TEXT(36),
	is_approved INTEGER DEFAULT (0),
	CONSTRAINT ArticleTags_PK PRIMARY KEY (article_id,tag_id),
	CONSTRAINT ArticleTags_FK FOREIGN KEY (article_id) REFERENCES Articles(id) ON DELETE CASCADE,
	CONSTRAINT ArticleTags_FK_1 FOREIGN KEY (tag_id) REFERENCES Tags(id) ON DELETE CASCADE
);
CREATE INDEX IF NOT EXISTS ArticleTags_is_approved_IDX ON ArticleTags (is_approved);

-- The ArticleComments table will relate Comments to the Article they are about, if pertinent.
CREATE TABLE IF NOT EXISTS ArticleComments (
	article_id TEXT(36),
	comment_id TEXT(36),
	CONSTRAINT ArticleComments_PK PRIMARY KEY (article_id,comment_id),
	CONSTRAINT ArticleComments_FK FOREIGN KEY (article_id) REFERENCES Articles(id) ON DELETE CASCADE,
	CONSTRAINT ArticleComments_FK_1 FOREIGN KEY (comment_id) REFERENCES Comments(id) ON DELETE CASCADE
);
CREATE INDEX IF NOT EXISTS ArticleComments_article_id_IDX ON ArticleComments (article_id);
CREATE INDEX IF NOT EXISTS ArticleComments_comment_id_IDX ON ArticleComments (comment_id);

-- The OtherProducts table will contain products for sale that are not Albums nor Tracks nor Collections.
CREATE TABLE IF NOT EXISTS OtherProducts (
	id TEXT(36),
	name TEXT,
	description TEXT,
	created_by TEXT(36),
	created_at INTEGER,
	modified_by TEXT(36),
	modified_at INTEGER,
	deleted_by TEXT(36),
	deleted_at INTEGER,
	is_public INTEGER DEFAULT (0),
	is_available INTEGER DEFAULT (0),
	requires_shipping INTEGER DEFAULT (0),
	CONSTRAINT OtherProducts_PK PRIMARY KEY (id),
	CONSTRAINT OtherProducts_FK FOREIGN KEY (created_by) REFERENCES Persons(id),
	CONSTRAINT OtherProducts_FK_1 FOREIGN KEY (modified_by) REFERENCES Persons(id),
	CONSTRAINT OtherProducts_FK_2 FOREIGN KEY (deleted_by) REFERENCES Persons(id)
);
CREATE INDEX IF NOT EXISTS OtherProducts_name_IDX ON OtherProducts (name);
CREATE INDEX IF NOT EXISTS OtherProducts_description_IDX ON OtherProducts (description);
CREATE INDEX IF NOT EXISTS OtherProducts_created_by_IDX ON OtherProducts (created_by);
CREATE INDEX IF NOT EXISTS OtherProducts_created_at_IDX ON OtherProducts (created_at);
CREATE INDEX IF NOT EXISTS OtherProducts_modified_by_IDX ON OtherProducts (modified_by);
CREATE INDEX IF NOT EXISTS OtherProducts_modified_at_IDX ON OtherProducts (modified_at);
CREATE INDEX IF NOT EXISTS OtherProducts_deleted_by_IDX ON OtherProducts (deleted_by);
CREATE INDEX IF NOT EXISTS OtherProducts_deleted_at_IDX ON OtherProducts (deleted_at);
CREATE INDEX IF NOT EXISTS OtherProducts_is_public_IDX ON OtherProducts (is_public);
CREATE INDEX IF NOT EXISTS OtherProducts_is_available_IDX ON OtherProducts (is_available);
CREATE INDEX IF NOT EXISTS OtherProducts_requires_shipping_IDX ON OtherProducts (requires_shipping);

-- The Collections table will contain Collections where each Collection is comprised of one or more Tracks, Albums, and/or OtherProducts packaged together for sale.
CREATE TABLE IF NOT EXISTS Collections (
	id TEXT(36),
	name TEXT,
	description TEXT,
	created_by TEXT(36),
	created_at INTEGER,
	modified_by TEXT(36),
	modified_at INTEGER,
	deleted_by TEXT(36),
	deleted_at INTEGER,
	is_public INTEGER DEFAULT (0),
	is_available INTEGER DEFAULT (0),
	CONSTRAINT Collections_PK PRIMARY KEY (id),
	CONSTRAINT Collections_FK FOREIGN KEY (created_by) REFERENCES Persons(id),
	CONSTRAINT Collections_FK_1 FOREIGN KEY (modified_by) REFERENCES Persons(id),
	CONSTRAINT Collections_FK_2 FOREIGN KEY (deleted_by) REFERENCES Persons(id)
);
CREATE INDEX IF NOT EXISTS Collections_name_IDX ON Collections (name);
CREATE INDEX IF NOT EXISTS Collections_description_IDX ON Collections (description);
CREATE INDEX IF NOT EXISTS Collections_created_by_IDX ON Collections (created_by);
CREATE INDEX IF NOT EXISTS Collections_created_at_IDX ON Collections (created_at);
CREATE INDEX IF NOT EXISTS Collections_modified_by_IDX ON Collections (modified_by);
CREATE INDEX IF NOT EXISTS Collections_modified_at_IDX ON Collections (modified_at);
CREATE INDEX IF NOT EXISTS Collections_deleted_by_IDX ON Collections (deleted_by);
CREATE INDEX IF NOT EXISTS Collections_deleted_at_IDX ON Collections (deleted_at);
CREATE INDEX IF NOT EXISTS Collections_is_public_IDX ON Collections (is_public);
CREATE INDEX IF NOT EXISTS Collections_is_available_IDX ON Collections (is_available);

-- The CollectionAlbums table will relate a Collection to the Album(s) it contains.
CREATE TABLE IF NOT EXISTS CollectionAlbums (
	collection_id TEXT(36),
	album_id TEXT(36),
	CONSTRAINT CollectionAlbums_PK PRIMARY KEY (collection_id,album_id),
	CONSTRAINT CollectionAlbums_FK FOREIGN KEY (collection_id) REFERENCES Collections(id) ON DELETE CASCADE,
	CONSTRAINT CollectionAlbums_FK_1 FOREIGN KEY (album_id) REFERENCES Albums(id) ON DELETE CASCADE
);
CREATE INDEX IF NOT EXISTS CollectionAlbums_collection_id_IDX ON CollectionAlbums (collection_id);
CREATE INDEX IF NOT EXISTS CollectionAlbums_album_id_IDX ON CollectionAlbums (album_id);

-- The CollectionTracks table will relate a Collection to the Track(s) it contains.
CREATE TABLE IF NOT EXISTS CollectionTracks (
	collection_id TEXT(36),
	track_id TEXT(36),
	CONSTRAINT CollectionTracks_PK PRIMARY KEY (collection_id,track_id),
	CONSTRAINT CollectionTracks_FK FOREIGN KEY (collection_id) REFERENCES Collections(id) ON DELETE CASCADE,
	CONSTRAINT CollectionTracks_FK_1 FOREIGN KEY (track_id) REFERENCES Tracks(id) ON DELETE CASCADE
);
CREATE INDEX IF NOT EXISTS CollectionTracks_collection_id_IDX ON CollectionTracks (collection_id);
CREATE INDEX IF NOT EXISTS CollectionTracks_track_id_IDX ON CollectionTracks (track_id);

-- The CollectionOtherProducts table will relate a Collection to the OtherProduct(s) it contains.
CREATE TABLE IF NOT EXISTS CollectionOtherProducts (
	collection_id TEXT(36),
	other_product_id TEXT(36),
	CONSTRAINT CollectionOtherProducts_PK PRIMARY KEY (collection_id,other_product_id),
	CONSTRAINT CollectionOtherProducts_FK FOREIGN KEY (collection_id) REFERENCES Collections(id) ON DELETE CASCADE,
	CONSTRAINT CollectionOtherProducts_FK_1 FOREIGN KEY (other_product_id) REFERENCES OtherProducts(id) ON DELETE CASCADE
);
CREATE INDEX IF NOT EXISTS CollectionOtherProducts_collection_id_IDX ON CollectionOtherProducts (collection_id);
CREATE INDEX IF NOT EXISTS CollectionOtherProducts_other_product_id_IDX ON CollectionOtherProducts (other_product_id);

-- The Skus table will contain SKUs () representing items available for Purchase through the server.
CREATE TABLE IF NOT EXISTS Skus (
	id TEXT(36),
	item_type TEXT,
	item_id TEXT(36),
	variant TEXT,
	description TEXT,
	price NUMERIC DEFAULT (0.00),
	requires_shipping INTEGER DEFAULT (0),
	shipping_charge NUMERIC DEFAULT (0.00),
	CONSTRAINT Skus_PK PRIMARY KEY (id)
);
CREATE INDEX IF NOT EXISTS Skus_item_type_IDX ON Skus (item_type);
CREATE INDEX IF NOT EXISTS Skus_item_id_IDX ON Skus (item_id);
CREATE INDEX IF NOT EXISTS Skus_variant_IDX ON Skus (variant);
CREATE INDEX IF NOT EXISTS Skus_description_IDX ON Skus (description);
CREATE INDEX IF NOT EXISTS Skus_price_IDX ON Skus (price);
CREATE INDEX IF NOT EXISTS Skus_requires_shipping_IDX ON Skus (requires_shipping);
CREATE INDEX IF NOT EXISTS Skus_shipping_charge_IDX ON Skus (shipping_charge);

-- The LineItems table will contain individual SKUs and their associated quantites as part of a Purchase.
CREATE TABLE IF NOT EXISTS LineItems (
	id TEXT(36),
	sku_id TEXT(36),
	quantity INTEGER DEFAULT (1),
	CONSTRAINT LineItems_PK PRIMARY KEY (id),
	CONSTRAINT LineItems_FK FOREIGN KEY (sku_id) REFERENCES Skus(id)
);
CREATE INDEX IF NOT EXISTS LineItems_sku_id_IDX ON LineItems (sku_id);
CREATE INDEX IF NOT EXISTS LineItems_quantity_IDX ON LineItems (quantity);

-- The CouponCodes table will contain coupon codes that can be redeemed for a discount, either by amount or percentage, on a Purchase.
CREATE TABLE IF NOT EXISTS CouponCodes (
	id TEXT(36),
	name TEXT,
	code TEXT,
	uses INTEGER DEFAULT (0),
	max_uses INTEGER DEFAULT (0),
	expiration INTEGER,
	discount_flat NUMERIC DEFAULT (0.00),
	discount_percentage NUMERIC DEFAULT (0.00),
	is_sku_specific INTEGER DEFAULT (0),
	is_active INTEGER DEFAULT (0),
	created_by TEXT(36),
	created_at INTEGER,
	modified_by TEXT(36),
	modified_at INTEGER,
	deleted_by TEXT(36),
	deleted_at INTEGER,
	CONSTRAINT CouponCodes_PK PRIMARY KEY (id),
	CONSTRAINT CouponCodes_FK FOREIGN KEY (created_by) REFERENCES Persons(id),
	CONSTRAINT CouponCodes_FK_1 FOREIGN KEY (modified_by) REFERENCES Persons(id),
	CONSTRAINT CouponCodes_FK_2 FOREIGN KEY (deleted_by) REFERENCES Persons(id)
);
CREATE INDEX IF NOT EXISTS CouponCodes_name_IDX ON CouponCodes (name);
CREATE UNIQUE INDEX IF NOT EXISTS CouponCodes_code_IDX ON CouponCodes (code);
CREATE INDEX IF NOT EXISTS CouponCodes_uses_IDX ON CouponCodes (uses);
CREATE INDEX IF NOT EXISTS CouponCodes_max_uses_IDX ON CouponCodes (max_uses);
CREATE INDEX IF NOT EXISTS CouponCodes_expiration_IDX ON CouponCodes (expiration);
CREATE INDEX IF NOT EXISTS CouponCodes_is_sku_specific_IDX ON CouponCodes (is_sku_specific);
CREATE INDEX IF NOT EXISTS CouponCodes_is_active_IDX ON CouponCodes (is_active);
CREATE INDEX IF NOT EXISTS CouponCodes_created_by_IDX ON CouponCodes (created_by);
CREATE INDEX IF NOT EXISTS CouponCodes_created_at_IDX ON CouponCodes (created_at);
CREATE INDEX IF NOT EXISTS CouponCodes_modified_by_IDX ON CouponCodes (modified_by);
CREATE INDEX IF NOT EXISTS CouponCodes_modified_at_IDX ON CouponCodes (modified_at);
CREATE INDEX IF NOT EXISTS CouponCodes_deleted_by_IDX ON CouponCodes (deleted_by);
CREATE INDEX IF NOT EXISTS CouponCodes_deleted_at_IDX ON CouponCodes (deleted_at);

-- The CouponCodeSkus table will relate a CouponCode to one or more Skus the CouponCode can be applied to, if CouponCode.is_sku_specific is true. (If CouponCode.is_sku_specific is false the CouponCode can be applied to an entire Purchase regardless of the Skus being purchased.)
CREATE TABLE IF NOT EXISTS CouponCodeSkus (
	coupon_code_id TEXT(36),
	sku_id TEXT(36),
	CONSTRAINT CouponCodeSkus_PK PRIMARY KEY (coupon_code_id,sku_id),
	CONSTRAINT CouponCodeSkus_FK FOREIGN KEY (coupon_code_id) REFERENCES CouponCodes(id),
	CONSTRAINT CouponCodeSkus_FK_1 FOREIGN KEY (sku_id) REFERENCES Skus(id)
);

-- The Purchases table will contain Purchases!
CREATE TABLE IF NOT EXISTS Purchases (
	id TEXT(36),
	state TEXT,
	purchased_by TEXT(36),
	purchased_at INTEGER,
	fulfilled_by TEXT(36),
	fulfilled_at INTEGER,
	total_charge NUMERIC DEFAULT (0.00),
	CONSTRAINT Purchases_PK PRIMARY KEY (id),
	CONSTRAINT Purchases_FK FOREIGN KEY (purchased_by) REFERENCES Persons(id),
	CONSTRAINT Purchases_FK_1 FOREIGN KEY (fulfilled_by) REFERENCES Persons(id)
);
CREATE INDEX IF NOT EXISTS Purchases_state_IDX ON Purchases (state);
CREATE INDEX IF NOT EXISTS Purchases_purchased_by_IDX ON Purchases (purchased_by);
CREATE INDEX IF NOT EXISTS Purchases_purchased_at_IDX ON Purchases (purchased_at);
CREATE INDEX IF NOT EXISTS Purchases_fulfilled_by_IDX ON Purchases (fulfilled_by);
CREATE INDEX IF NOT EXISTS Purchases_fulfilled_at_IDX ON Purchases (fulfilled_at);
CREATE INDEX IF NOT EXISTS Purchases_total_charge_IDX ON Purchases (total_charge);

-- The PurchaseLineItems table will relate a Purchase to one or more LineItems.
CREATE TABLE IF NOT EXISTS PurchaseLineItems (
	purchase_id TEXT(36),
	line_item_id TEXT(36),
	CONSTRAINT PurchaseLineItems_PK PRIMARY KEY (purchase_id,line_item_id),
	CONSTRAINT PurchaseLineItems_FK FOREIGN KEY (purchase_id) REFERENCES Purchases(id),
	CONSTRAINT PurchaseLineItems_FK_1 FOREIGN KEY (line_item_id) REFERENCES LineItems(id) ON DELETE CASCADE
);
CREATE INDEX IF NOT EXISTS PurchaseLineItems_purchase_id_IDX ON PurchaseLineItems (purchase_id);
CREATE INDEX IF NOT EXISTS PurchaseLineItems_line_item_id_IDX ON PurchaseLineItems (line_item_id);

-- The PurchaseCouponCodes table will relate a Purchase to one or more CouponCodes successfully applied to the Purchase.
CREATE TABLE IF NOT EXISTS PurchaseCouponCodes (
	purchase_id TEXT(36),
	coupon_code_id TEXT(36),
	CONSTRAINT PurchaseCouponCodes_PK PRIMARY KEY (purchase_id,coupon_code_id),
	CONSTRAINT PurchaseCouponCodes_FK FOREIGN KEY (purchase_id) REFERENCES Purchases(id),
	CONSTRAINT PurchaseCouponCodes_FK_1 FOREIGN KEY (coupon_code_id) REFERENCES CouponCodes(id)
);
CREATE INDEX IF NOT EXISTS PurchaseCouponCodes_purchase_id_IDX ON PurchaseCouponCodes (purchase_id);
CREATE INDEX IF NOT EXISTS PurchaseCouponCodes_coupon_code_id_IDX ON PurchaseCouponCodes (coupon_code_id);