CREATE TABLE IF NOT EXISTS gifts (
    id TEXT PRIMARY KEY NOT NULL,
    slug TEXT NOT NULL UNIQUE,
    recipient_name TEXT NOT NULL,
    sender_name TEXT NOT NULL,
    title TEXT NOT NULL,
    intro_message TEXT NOT NULL,
    reveal_message TEXT NOT NULL,
    status TEXT NOT NULL DEFAULT 'published',
    created_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP,
    updated_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP,
    CONSTRAINT gifts_status_check CHECK (status IN ('draft', 'published', 'archived'))
);

CREATE TABLE IF NOT EXISTS gift_items (
    id TEXT PRIMARY KEY NOT NULL,
    gift_id TEXT NOT NULL REFERENCES gifts(id) ON DELETE CASCADE,
    type TEXT NOT NULL,
    title TEXT,
    text TEXT,
    media_url TEXT,
    sort_order INTEGER NOT NULL DEFAULT 0,
    metadata TEXT NOT NULL DEFAULT '{}',
    created_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP,
    CONSTRAINT gift_items_type_check CHECK (length(trim(type)) > 0)
);

CREATE INDEX IF NOT EXISTS gift_items_gift_id_sort_order_idx
    ON gift_items (gift_id, sort_order, id);