/*
    This file is part of libdjinterop.

    libdjinterop is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    libdjinterop is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public License
    along with libdjinterop.  If not, see <http://www.gnu.org/licenses/>.
 */
#include <cassert>

#include <sqlite_modern_cpp.h>

#include "../../util/random.hpp"
#include "schema_2_21_2.hpp"
#include "schema_validate_utils.hpp"

namespace djinterop::engine::schema
{
void schema_2_21_2::create(sqlite::database& db)
{
    db << "CREATE TABLE Information ( 	id INTEGER PRIMARY KEY AUTOINCREMENT, 	uuid TEXT, 	schemaVersionMajor INTEGER, 	schemaVersionMinor INTEGER, 	schemaVersionPatch INTEGER, 	currentPlayedIndiciator INTEGER, 	lastRekordBoxLibraryImportReadCounter INTEGER);";
    db << "CREATE TABLE AlbumArt ( 	id INTEGER PRIMARY KEY AUTOINCREMENT, 	hash TEXT, 	albumArt BLOB );";
    db << "CREATE TABLE Pack (	id INTEGER PRIMARY KEY AUTOINCREMENT, 	packId TEXT, 	changeLogDatabaseUuid TEXT, 	changeLogId INTEGER, 	lastPackTime DATETIME );";
    db << "CREATE TABLE Track ( 	id INTEGER PRIMARY KEY AUTOINCREMENT, 	playOrder INTEGER, 	length INTEGER, 	bpm INTEGER, 	year INTEGER, 	path TEXT, 	filename TEXT, 	bitrate INTEGER, 	bpmAnalyzed REAL, 	albumArtId INTEGER, 	fileBytes INTEGER, 	title TEXT, 	artist TEXT, 	album TEXT, 	genre TEXT, 	comment TEXT, 	label TEXT, 	composer TEXT, 	remixer TEXT, 	key INTEGER, 	rating INTEGER, 	albumArt TEXT, 	timeLastPlayed DATETIME, 	isPlayed BOOLEAN, 	fileType TEXT, 	isAnalyzed BOOLEAN, 	dateCreated DATETIME, 	dateAdded DATETIME, 	isAvailable BOOLEAN, 	isMetadataOfPackedTrackChanged BOOLEAN, 	isPerfomanceDataOfPackedTrackChanged BOOLEAN, 	playedIndicator INTEGER, 	isMetadataImported BOOLEAN, 	pdbImportKey INTEGER, 	streamingSource TEXT, 	uri TEXT, 	isBeatGridLocked BOOLEAN, 	originDatabaseUuid TEXT, 	originTrackId INTEGER, 	trackData BLOB, 	overviewWaveFormData BLOB, 	beatData BLOB, 	quickCues BLOB, 	loops BLOB, 	thirdPartySourceId INTEGER, 	streamingFlags INTEGER, 	explicitLyrics BOOLEAN, 	activeOnLoadLoops INTEGER, 	lastEditTime DATETIME, 	CONSTRAINT C_originDatabaseUuid_originTrackId UNIQUE (originDatabaseUuid, originTrackId), 	CONSTRAINT C_path UNIQUE (path), 	FOREIGN KEY (albumArtId) REFERENCES AlbumArt (id) ON DELETE RESTRICT );";
    db << "CREATE TABLE Playlist (	id INTEGER PRIMARY KEY AUTOINCREMENT, 	title TEXT, 	parentListId INTEGER, 	isPersisted BOOLEAN, 	nextListId INTEGER, 	lastEditTime DATETIME, 	isExplicitlyExported BOOLEAN, 	CONSTRAINT C_NAME_UNIQUE_FOR_PARENT UNIQUE (title, parentListId), 	CONSTRAINT C_NEXT_LIST_ID_UNIQUE_FOR_PARENT UNIQUE (parentListId, nextListId) );";
    db << "CREATE TABLE PlaylistEntity ( 	id INTEGER PRIMARY KEY AUTOINCREMENT, 	listId INTEGER, 	trackId INTEGER, 	databaseUuid TEXT, 	nextEntityId INTEGER, 	membershipReference INTEGER, 	CONSTRAINT C_NAME_UNIQUE_FOR_LIST UNIQUE (listId, databaseUuid, trackId), 	FOREIGN KEY (listId) REFERENCES Playlist (id) ON DELETE CASCADE );";
    db << "CREATE TABLE PreparelistEntity ( 	id INTEGER PRIMARY KEY AUTOINCREMENT, 	trackId INTEGER, 	trackNumber INTEGER, 	FOREIGN KEY (trackId) REFERENCES Track (id) ON DELETE CASCADE );";
    db << "CREATE TABLE Smartlist ( 	listUuid TEXT NOT NULL PRIMARY KEY, 	title TEXT, 	parentPlaylistPath TEXT, 	nextPlaylistPath TEXT, 	nextListUuid TEXT, 	rules TEXT, 	lastEditTime DATETIME, 	CONSTRAINT C_NAME_UNIQUE_FOR_PARENT UNIQUE (title, parentPlaylistPath), 	CONSTRAINT C_NEXT_LIST_UNIQUE_FOR_PARENT UNIQUE (parentPlaylistPath, nextPlaylistPath, nextListUuid) );";
    db << "CREATE INDEX index_AlbumArt_hash ON AlbumArt (hash);";
    db << "CREATE INDEX index_Track_filename ON Track (filename);";
    db << "CREATE INDEX index_Track_albumArtId ON Track (albumArtId);";
    db << "CREATE INDEX index_Track_uri ON Track (uri);";
    db << "CREATE INDEX index_Track_title ON Track(title);";
    db << "CREATE INDEX index_Track_length ON Track(length);";
    db << "CREATE INDEX index_Track_rating ON Track(rating);";
    db << "CREATE INDEX index_Track_year ON Track(year);";
    db << "CREATE INDEX index_Track_dateAdded ON Track(dateAdded);";
    db << "CREATE INDEX index_Track_genre ON Track(genre);";
    db << "CREATE INDEX index_Track_artist ON Track(artist);";
    db << "CREATE INDEX index_Track_album ON Track(album);";
    db << "CREATE INDEX index_Track_key ON Track(key);";
    db << "CREATE INDEX index_PlaylistEntity_nextEntityId_listId ON PlaylistEntity(nextEntityId, listId);";
    db << "CREATE INDEX index_PreparelistEntity_trackId ON PreparelistEntity (trackId);";
    db << "CREATE TRIGGER trigger_after_insert_Pack_timestamp AFTER INSERT ON Pack FOR EACH ROW WHEN NEW.lastPackTime IS NULL BEGIN 	UPDATE Pack SET lastPackTime = strftime('%s') WHERE ROWID = NEW.ROWID; END;";
    db << "CREATE TRIGGER trigger_after_insert_Pack_changeLogId AFTER INSERT ON Pack FOR EACH ROW WHEN NEW.changeLogId = 0 BEGIN 	UPDATE Pack SET changeLogId = 1 WHERE ROWID = NEW.ROWID; END;";
    db << "CREATE VIEW ChangeLog (id, trackId) AS SELECT 0, 0 WHERE FALSE;";
    db << "CREATE TRIGGER trigger_after_insert_Track_check_id AFTER INSERT ON Track 	WHEN NEW.id <= (SELECT seq FROM sqlite_sequence WHERE name = 'Track') BEGIN 	SELECT RAISE(ABORT, 'Recycling deleted track id''s are not allowed'); END;";
    db << "CREATE TRIGGER trigger_after_update_Track_check_Id BEFORE UPDATE ON Track 	WHEN NEW.id <> OLD.id BEGIN 	SELECT RAISE(ABORT, 'Changing track id''s are not allowed'); END;";
    db << "CREATE TRIGGER trigger_after_insert_Track_fix_origin AFTER INSERT ON Track 	WHEN IFNULL(NEW.originTrackId, 0) = 0 	OR IFNULL(NEW.originDatabaseUuid, '') = '' BEGIN 	UPDATE Track SET 		originTrackId = NEW.id, 		originDatabaseUuid = (SELECT uuid FROM Information) 	WHERE track.id = NEW.id; END;";
    db << "CREATE TRIGGER trigger_after_update_Track_fix_origin AFTER UPDATE ON Track 	WHEN IFNULL(NEW.originTrackId, 0) = 0 	OR IFNULL(NEW.originDatabaseUuid, '') = '' BEGIN 	UPDATE Track SET 		originTrackId = NEW.id, 		originDatabaseUuid = (SELECT uuid FROM Information) 	WHERE track.id = NEW.id; END;";
    db << "CREATE TRIGGER trigger_after_update_Track_timestamp 	AFTER UPDATE OF	length, bpm, year, filename, bitrate, bpmAnalyzed, albumArtId, 	title, artist, album, genre, comment, label, composer, remixer, key, rating, albumArt, 	fileType, isAnalyzed, isBeatgridLocked, trackData, overviewWaveformData, beatData, quickCues, 	loops, explicitLyrics, activeOnLoadLoops 	ON Track 	FOR EACH ROW BEGIN 	UPDATE Track SET lastEditTime = strftime('%s') WHERE ROWID=NEW.ROWID; END;";
    db << "CREATE VIEW PerformanceData AS SELECT 	id AS trackId, 	isAnalyzed, 	trackData, 	overviewWaveFormData, 	beatData, 	quickCues, 	loops, 	thirdPartySourceId, 	activeOnLoadLoops FROM Track;";
    db << "CREATE TRIGGER trigger_instead_update_thirdPartySourceId_PerformanceData INSTEAD OF UPDATE OF thirdPartySourceId ON PerformanceData FOR EACH ROW BEGIN 	UPDATE Track SET 		thirdPartySourceId = NEW.thirdPartySourceId 	WHERE Track.id = NEW.trackId; END;";
    db << "CREATE TRIGGER trigger_instead_update_isAnalyzed_PerformanceData INSTEAD OF UPDATE OF isAnalyzed ON PerformanceData FOR EACH ROW BEGIN 	UPDATE Track SET 		isAnalyzed = NEW.isAnalyzed 	WHERE Track.id = NEW.trackId; END;";
    db << "CREATE TRIGGER trigger_instead_update_trackData_PerformanceData INSTEAD OF UPDATE OF trackData ON PerformanceData FOR EACH ROW BEGIN 	UPDATE Track SET 		trackData = NEW.trackData 	WHERE Track.id = NEW.trackId; END;";
    db << "CREATE TRIGGER trigger_instead_update_overviewWaveFormData_PerformanceData INSTEAD OF UPDATE OF overviewWaveFormData ON PerformanceData FOR EACH ROW BEGIN 	UPDATE Track SET 		overviewWaveFormData = NEW.overviewWaveFormData 	WHERE Track.id = NEW.trackId; END;";
    db << "CREATE TRIGGER trigger_instead_update_beatData_PerformanceData INSTEAD OF UPDATE OF beatData ON PerformanceData FOR EACH ROW BEGIN 	UPDATE Track SET 		beatData = NEW.beatData 	WHERE Track.id = NEW.trackId; END;";
    db << "CREATE TRIGGER trigger_instead_update_quickCues_PerformanceData INSTEAD OF UPDATE OF quickCues ON PerformanceData FOR EACH ROW BEGIN 	UPDATE Track SET 		quickCues = NEW.quickCues 	WHERE Track.id = NEW.trackId; END;";
    db << "CREATE TRIGGER trigger_instead_update_loops_PerformanceData INSTEAD OF UPDATE OF loops ON PerformanceData FOR EACH ROW BEGIN 	UPDATE Track SET 		loops = NEW.loops 	WHERE Track.id = NEW.trackId; END;";
    db << "CREATE TRIGGER trigger_instead_delete_PerformanceData INSTEAD OF DELETE ON PerformanceData FOR EACH ROW BEGIN 	UPDATE Track SET 		isAnalyzed = NULL, 		trackData = NULL, 		overviewWaveFormData = NULL, 		beatData = NULL, 		quickCues = NULL, 		loops = NULL, 		thirdPartySourceId = NULL 	WHERE Track.id = OLD.trackId; END;";
    db << "CREATE TRIGGER trigger_instead_update_activeOnLoadLoops_PerformanceData INSTEAD OF UPDATE OF activeOnLoadLoops ON PerformanceData FOR EACH ROW BEGIN 	UPDATE Track SET 		activeOnLoadLoops = NEW.activeOnLoadLoops 	WHERE Track.id = NEW.trackId; END;";
    db << "CREATE TRIGGER trigger_before_insert_List BEFORE INSERT ON Playlist FOR EACH ROW BEGIN 	UPDATE Playlist SET 		nextListId = -(1 + nextListId) 	WHERE nextListId = NEW.nextListId 	AND parentListId = NEW.parentListId; END;";
    db << "CREATE TRIGGER trigger_after_insert_List AFTER INSERT ON Playlist FOR EACH ROW BEGIN 	UPDATE Playlist SET 		nextListId = NEW.id 	WHERE nextListId = -(1 + NEW.nextListId) 	AND parentListId = NEW.parentListId; END;";
    db << "CREATE TRIGGER trigger_after_delete_List AFTER DELETE ON Playlist FOR EACH ROW BEGIN 	UPDATE Playlist SET 		nextListId = OLD.nextListId 	WHERE nextListId = OLD.id; 	DELETE FROM Playlist 	WHERE parentListId = OLD.id; END;";
    db << "CREATE TRIGGER trigger_after_update_isPersistParent AFTER UPDATE ON Playlist 	WHEN (old.isPersisted = 0 	AND new.isPersisted = 1) 	OR (old.parentListId != new.parentListId 	AND new.isPersisted = 1) BEGIN 	UPDATE Playlist SET 		isPersisted = 1 	WHERE id IN (SELECT parentListId FROM PlaylistAllParent WHERE id=new.id); END;";
    db << "CREATE TRIGGER trigger_after_update_isPersistChild AFTER UPDATE ON Playlist 	WHEN old.isPersisted = 1 	AND new.isPersisted = 0 BEGIN 	UPDATE Playlist SET 		isPersisted = 0 	WHERE id IN (SELECT childListId FROM PlaylistAllChildren WHERE id=new.id); END;";
    db << "CREATE TRIGGER trigger_after_insert_isPersist AFTER INSERT ON Playlist 	WHEN new.isPersisted = 1 BEGIN 	UPDATE Playlist SET 		isPersisted = 1 	WHERE id IN (SELECT parentListId FROM PlaylistAllParent WHERE id=new.id); END;";
    db << "CREATE VIEW PlaylistAllParent AS WITH FindAllParent AS ( 	SELECT id, parentListId FROM Playlist 	UNION ALL 	SELECT recursiveCTE.id, Plist.parentListId FROM Playlist Plist 	INNER JOIN FindAllParent recursiveCTE 	ON recursiveCTE.parentListId = Plist.id ) SELECT * FROM FindAllParent;";
    db << "CREATE VIEW PlaylistAllChildren AS WITH FindAllChild AS ( SELECT id, id as childListId FROM Playlist UNION ALL SELECT recursiveCTE.id, Plist.id FROM Playlist Plist INNER JOIN FindAllChild recursiveCTE ON recursiveCTE.childListId = Plist.parentListId ) SELECT * FROM FindAllChild WHERE id <> childListId;";
    db << "CREATE VIEW PlaylistPath AS WITH RECURSIVE Heirarchy AS ( 	SELECT id AS child, parentListId AS parent, title AS name, 1 AS depth FROM Playlist 	UNION ALL 	SELECT child, parentListId AS parent, title AS name, h.depth + 1 AS depth FROM Playlist c 	JOIN Heirarchy h ON h.parent = c.id 	ORDER BY depth DESC ), OrderedList AS ( 	SELECT id , nextListId, 1 AS position 	FROM Playlist 	WHERE nextListId = 0 	UNION ALL 	SELECT c.id , c.nextListId , l.position + 1 	FROM Playlist c 	INNER JOIN OrderedList l 	ON c.nextListId = l.id ), NameConcat AS ( 	SELECT 		child AS id, 		GROUP_CONCAT(name ,';') || ';' AS path 	FROM 	( 		SELECT child, name 		FROM Heirarchy 		ORDER BY depth DESC 	) 	GROUP BY child ) SELECT 	id, 	path, 	ROW_NUMBER() OVER 	( 		ORDER BY 		(SELECT COUNT(*) FROM (SELECT * FROM Heirarchy WHERE child = id) ) DESC, 		(SELECT position FROM OrderedList ol WHERE ol.id = c.id) ASC 	) AS position FROM Playlist c LEFT JOIN NameConcat g USING (id);";
    db << "CREATE TRIGGER trigger_before_delete_PlaylistEntity BEFORE DELETE ON PlaylistEntity WHEN OLD.trackId > 0 BEGIN 	UPDATE PlaylistEntity SET 		nextEntityId = OLD.nextEntityId 	WHERE nextEntityId = OLD.id 	AND listId = OLD.listId; END;";
    db << "CREATE INDEX index_Track_bpmAnalyzed ON Track(CAST(bpmAnalyzed + 0.5 AS int));";
    db << "CREATE TRIGGER trigger_instead_insert_PerformanceData INSTEAD OF INSERT ON PerformanceData FOR EACH ROW BEGIN 	UPDATE Track SET 		isAnalyzed = IFNULL(NEW.isAnalyzed, isAnalyzed), 		trackData = NEW.trackData, 		overviewWaveFormData = NEW.overviewWaveFormData, 		beatData = NEW.beatData, 		quickCues = NEW.quickCues, 		loops = NEW.loops, 		thirdPartySourceId = NEW.thirdPartySourceId, 		activeOnLoadLoops = NEW.activeOnLoadLoops 	WHERE Track.id = NEW.trackId; END;";

    // Generate UUID for the Information table.
    auto uuid_str = djinterop::util::generate_random_uuid();

    // Not yet sure how the "currentPlayedIndiciator" (typo deliberate) value
    // is formed.
    auto current_played_indicator_fake_value =
        djinterop::util::generate_random_int64();

    // Insert row into Information
    db << "INSERT INTO Information ([uuid], [schemaVersionMajor], "
          "[schemaVersionMinor], [schemaVersionPatch], "
          "[currentPlayedIndiciator], [lastRekordBoxLibraryImportReadCounter]) "
          "VALUES (?, ?, ?, ?, ?, ?)"
       << uuid_str << schema_version.maj << schema_version.min
       << schema_version.pat << current_played_indicator_fake_value << 0;

    // Insert default album art entry
    db << "INSERT INTO AlbumArt VALUES (1, '', NULL)";
}

}  // namespace djinterop::engine::schema
