CREATE TABLE IF NOT EXISTS guilds (
    id BIGINT PRIMARY KEY NOT NULL,
    name TEXT,
    owner_id BIGINT,
    volume INTEGER NOT NULL
);
CREATE TABLE IF NOT EXISTS dice_track (
    id UUID PRIMARY KEY NOT NULL DEFAULT gen_random_uuid(),
    guild_id BIGINT NOT NULL,
    owner_id BIGINT NOT NULL,
    dice TEXT NOT NULL,
    user_id BIGINT,
    value INT,
    operator TEXT
);
CREATE TABLE IF NOT EXISTS events (
    id UUID PRIMARY KEY NOT NULL,
    guild_id BIGINT NOT NULL,
    author_id BIGINT NOT NULL,
    title TEXT NOT NULL,
    date_time TIMESTAMP NOT NULL,
    description TEXT,
    rsvp BIGINT[] NOT NULL
);
CREATE TABLE IF NOT EXISTS races (
    id INTEGER GENERATED ALWAYS AS IDENTITY,
    name TEXT NOT NULL,
    size TEXT NOT NULL,
    source TEXT NOT NULL,
    data JSON NOT NULL
);
CREATE TABLE IF NOT EXISTS classes (
    id INTEGER GENERATED ALWAYS AS IDENTITY
);
CREATE TABLE IF NOT EXISTS feats (
    id INTEGER GENERATED ALWAYS AS IDENTITY
);
CREATE TABLE IF NOT EXISTS options_features (
    id INTEGER GENERATED ALWAYS AS IDENTITY
);
CREATE TABLE IF NOT EXISTS backgrounds (
    id INTEGER GENERATED ALWAYS AS IDENTITY
);
CREATE TABLE IF NOT EXISTS items (
    id INTEGER GENERATED ALWAYS AS IDENTITY
);
CREATE TABLE IF NOT EXISTS spells (
    id INTEGER GENERATED ALWAYS AS IDENTITY,
    name TEXT NOT NULL,
    school TEXT NOT NULL,
    level INTEGER NOT NULL,
    ritual BOOLEAN DEFAULT FALSE,
    concentration BOOLEAN DEFAULT FALSE,
    classes TEXT[] NOT NULL,
    damage_inflict TEXT[] NOT NULL,
    damage_resist TEXT[] NOT NULL,
    conditions TEXT[] NOT NULL,
    saving_throw TEXT[] NOT NULL,
    attack_type TEXT,
    data JSONB NOT NULL
);
CREATE TABLE IF NOT EXISTS conditions (
    id INTEGER GENERATED ALWAYS AS IDENTITY
);
CREATE TABLE IF NOT EXISTS bestiary (
    id INTEGER GENERATED ALWAYS AS IDENTITY
);

-- ============================================================
-- Auth / Users
-- ============================================================

-- Stores Discord user info, upserted on every successful OAuth login
CREATE TABLE IF NOT EXISTS users (
    id BIGINT PRIMARY KEY NOT NULL,
    username TEXT NOT NULL,
    avatar TEXT,
    created_at TIMESTAMP NOT NULL DEFAULT NOW(),
    updated_at TIMESTAMP NOT NULL DEFAULT NOW()
);

-- ============================================================
-- Grid maps: unbounded canvas, CSPRNG TEXT ids, auth-aware
-- ============================================================

CREATE TABLE IF NOT EXISTS grid_maps (
    id TEXT PRIMARY KEY NOT NULL,
    name TEXT NOT NULL,
    is_public BOOLEAN NOT NULL DEFAULT FALSE,
    owner_id BIGINT NOT NULL REFERENCES users(id),
    colors TEXT[] NOT NULL DEFAULT ARRAY[
        '#6b7280',
        '#92400e',
        '#15803d',
        '#1d4ed8',
        '#7c3aed',
        '#dc2626',
        '#ca8a04',
        '#0f172a',
        '#f9fafb'
    ],
    created_at TIMESTAMP NOT NULL DEFAULT NOW(),
    updated_at TIMESTAMP NOT NULL DEFAULT NOW()
);

-- Per-map role assignments; owner is auto-inserted on map creation
CREATE TABLE IF NOT EXISTS map_permissions (
    map_id TEXT NOT NULL REFERENCES grid_maps(id) ON DELETE CASCADE,
    user_id BIGINT NOT NULL REFERENCES users(id) ON DELETE CASCADE,
    role TEXT NOT NULL CHECK (role IN ('owner', 'editor', 'viewer')),
    PRIMARY KEY (map_id, user_id)
);

-- Composite primary key replaces the old UUID id column
CREATE TABLE IF NOT EXISTS grid_cells (
    map_id TEXT NOT NULL REFERENCES grid_maps(id) ON DELETE CASCADE,
    x INTEGER NOT NULL,
    y INTEGER NOT NULL,
    color TEXT NOT NULL DEFAULT '#808080',
    PRIMARY KEY (map_id, x, y)
);

CREATE TABLE IF NOT EXISTS grid_tokens (
    id TEXT PRIMARY KEY NOT NULL,
    map_id TEXT NOT NULL REFERENCES grid_maps(id) ON DELETE CASCADE,
    x INTEGER NOT NULL,
    y INTEGER NOT NULL,
    label TEXT NOT NULL,
    color TEXT NOT NULL DEFAULT '#4444FF'
);