-- Schema for KeySelector and AcousticBrainz data

CREATE TABLE IF NOT EXISTS tracks (
    id SERIAL PRIMARY KEY,
    mbid VARCHAR(36) UNIQUE NOT NULL, -- MusicBrainz ID
    title VARCHAR(255),
    artist VARCHAR(255),
    camelot_key VARCHAR(3),
    bpm INTEGER,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);

CREATE TABLE IF NOT EXISTS track_tags (
    track_id INTEGER REFERENCES tracks(id),
    tag VARCHAR(100),
    PRIMARY KEY (track_id, tag)
);

CREATE INDEX IF NOT EXISTS idx_camelot_key ON tracks(camelot_key);
CREATE INDEX IF NOT EXISTS idx_bpm ON tracks(bpm);