-- Schema for KeySelector with PostgreSQL

CREATE TABLE IF NOT EXISTS tracks (
    id SERIAL PRIMARY KEY,
    title VARCHAR(255) NOT NULL,
    artist VARCHAR(255) NOT NULL,
    camelot_key VARCHAR(5) NOT NULL,
    bpm INTEGER NOT NULL,
    music_key VARCHAR(10),
    cover_url TEXT,
    preview_url TEXT,
    tags TEXT[] DEFAULT '{}',
    is_corrected BOOLEAN DEFAULT FALSE,
    source VARCHAR(50) DEFAULT 'manual',
    play_count INTEGER DEFAULT 1,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    CONSTRAINT unique_track UNIQUE (artist, title)
);

CREATE INDEX IF NOT EXISTS idx_tracks_camelot ON tracks(camelot_key);
CREATE INDEX IF NOT EXISTS idx_tracks_bpm ON tracks(bpm);
CREATE INDEX IF NOT EXISTS idx_tracks_artist ON tracks(artist);
CREATE INDEX IF NOT EXISTS idx_tracks_title ON tracks(title);

-- Initial curated seed data across all 24 Camelot keys (Mixed In Key Standard)
INSERT INTO tracks (artist, title, camelot_key, bpm, music_key, tags, source) VALUES
-- 12B & 12A (E-Dur / C#-Moll)
('Avicii', 'Wake Me Up', '12B', 124, 'E', ARRAY['folk-dance', 'anthem'], 'seed'),
('Otto Knows', 'Million Voices', '12B', 126, 'E', ARRAY['progressive house'], 'seed'),
('Fred again..', 'Delilah (pull me out of this)', '12A', 134, 'C#m', ARRAY['electronic', 'club'], 'seed'),
('Robin Schulz', 'Sugar', '12A', 123, 'C#m', ARRAY['deep house', 'pop'], 'seed'),

-- 1B & 1A (B-Dur / G#-Moll)
('Galantis', 'Runaway (U & I)', '1B', 126, 'B', ARRAY['electro pop', 'edm'], 'seed'),
('Kygo', 'Firestone', '1B', 114, 'B', ARRAY['tropical house'], 'seed'),
('CamelPhat & Elderbrook', 'Cola', '1A', 122, 'G#m', ARRAY['tech house', 'deep house'], 'seed'),
('Peggy Gou', '(It Goes Like) Nanana', '1A', 130, 'G#m', ARRAY['house', 'summer'], 'seed'),

-- 2B & 2A (F#-Dur / D#-Moll)
('Disclosure ft. Sam Smith', 'Latch', '2B', 122, 'F#', ARRAY['garage', 'house'], 'seed'),
('Major Lazer', 'Lean On', '2B', 98, 'F#', ARRAY['dancehall', 'moombahton'], 'seed'),
('Eric Prydz', 'Opus', '2A', 126, 'D#m', ARRAY['progressive house', 'masterpiece'], 'seed'),
('Darude', 'Sandstorm', '2A', 136, 'D#m', ARRAY['trance', 'classic'], 'seed'),

-- 3B & 3A (Db-Dur / Bb-Moll)
('Calvin Harris', 'Feel So Close', '3B', 128, 'Db', ARRAY['dance', 'pop'], 'seed'),
('Gigi D''Agostino', 'L''Amour Toujours', '3A', 138, 'Bbm', ARRAY['italo dance', 'classic'], 'seed'),
('Paul Kalkbrenner', 'Sky and Sand', '3A', 122, 'Bbm', ARRAY['minimal', 'berlin techno'], 'seed'),

-- 4B & 4A (Ab-Dur / F-Moll)
('Clean Bandit', 'Rather Be', '4B', 121, 'Ab', ARRAY['deep house', 'classical crossover'], 'seed'),
('Swedish House Mafia', 'One', '4A', 125, 'Fm', ARRAY['electro house', 'classic'], 'seed'),
('Alan Walker', 'Faded', '4A', 90, 'Fm', ARRAY['electro', 'melodic'], 'seed'),

-- 5B & 5A (Eb-Dur / C-Moll)
('deadmau5', 'Strobe', '5B', 128, 'Eb', ARRAY['progressive house'], 'seed'),
('Bicep', 'Glue', '5B', 130, 'Eb', ARRAY['breakbeat', 'ambient'], 'seed'),
('Benny Benassi', 'Satisfaction', '5A', 130, 'Cm', ARRAY['electro house', 'legend'], 'seed'),
('Kungs vs Cookin'' on 3 Burners', 'This Girl', '5A', 122, 'Cm', ARRAY['funk house', 'brass'], 'seed'),

-- 6B & 6A (Bb-Dur / G-Moll)
('Modjo', 'Lady (Hear Me Tonight)', '6B', 126, 'Bb', ARRAY['french touch', 'filter house'], 'seed'),
('Fatboy Slim', 'Praise You', '6B', 110, 'Bb', ARRAY['big beat', 'breakbeat'], 'seed'),
('Robin S', 'Show Me Love', '6A', 120, 'Gm', ARRAY['90s house', 'anthem'], 'seed'),
('Robert Miles', 'Children', '6A', 138, 'Gm', ARRAY['dream trance', '90s'], 'seed'),

-- 7B & 7A (F-Dur / D-Moll)
('Shouse', 'Love Tonight', '7B', 123, 'F', ARRAY['indie dance', 'choir'], 'seed'),
('Stardust', 'Music Sounds Better With You', '7B', 124, 'F', ARRAY['french house', 'disco'], 'seed'),
('Faithless', 'God Is a DJ', '7A', 131, 'Dm', ARRAY['dance anthem', 'classic'], 'seed'),
('Paul van Dyk', 'For an Angel', '7A', 138, 'Dm', ARRAY['trance', 'berlin'], 'seed'),

-- 8B & 8A (C-Dur / A-Moll)
('Axwell /\\ Ingrosso', 'More Than You Know', '8B', 123, 'C', ARRAY['house', 'edm'], 'seed'),
('Avicii', 'The Nights', '8B', 126, 'C', ARRAY['dance', 'melodic'], 'seed'),
('Tiësto', 'The Business', '8A', 120, 'Am', ARRAY['deep house', 'bass'], 'seed'),
('Meduza', 'Piece Of Your Heart', '8A', 124, 'Am', ARRAY['house', 'electronic'], 'seed'),

-- 9B & 9A (G-Dur / E-Moll)
('Calvin Harris', 'Summer', '9B', 128, 'G', ARRAY['dance', 'summer'], 'seed'),
('David Guetta ft. Sia', 'Titanium', '9B', 126, 'G', ARRAY['edm', 'pop'], 'seed'),
('Martin Garrix', 'Animals', '9A', 128, 'Em', ARRAY['big room', 'electro'], 'seed'),
('Fisher', 'Losing It', '9A', 125, 'Em', ARRAY['tech house', 'club'], 'seed'),

-- 10B & 10A (D-Dur / H-Moll)
('Daft Punk', 'One More Time', '10B', 123, 'D', ARRAY['french house', 'disco'], 'seed'),
('Swedish House Mafia', 'Don''t You Worry Child', '10B', 129, 'D', ARRAY['progressive', 'anthem'], 'seed'),
('Alesso', 'Heroes (we could be)', '10B', 126, 'D', ARRAY['edm', 'euphoric'], 'seed'),
('ACRAZE', 'Do It To It', '10A', 125, 'Bm', ARRAY['house', 'viral'], 'seed'),
('Faithless', 'Insomnia', '10A', 127, 'Bm', ARRAY['classic', 'trance'], 'seed'),

-- 11B & 11A (A-Dur / F#-Moll)
('Alphaville', 'Big in Japan', '11B', 118, 'A', ARRAY['80s', 'synth-pop'], 'seed'),
('Dua Lipa', 'Don''t Start Now', '11A', 124, 'F#m', ARRAY['nu-disco', 'dance'], 'seed'),
('The Weeknd', 'Blinding Lights', '11A', 171, 'F#m', ARRAY['synthwave', '80s'], 'seed')
ON CONFLICT (artist, title) DO NOTHING;