CREATE TABLE IF NOT EXISTS payment_orders (
    id                  INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
    public_id           TEXT NOT NULL,
    user_id             INTEGER NOT NULL,
    recharge_record_id  INTEGER,
    provider            TEXT NOT NULL,
    payment_method      TEXT NOT NULL DEFAULT 'stripe',
    provider_session_id TEXT,
    provider_payment_id TEXT,
    amount_usd          REAL NOT NULL,
    amount_minor        INTEGER NOT NULL,
    currency            TEXT NOT NULL DEFAULT 'usd',
    status              TEXT NOT NULL DEFAULT 'pending',
    checkout_url        TEXT,
    success_url         TEXT,
    cancel_url          TEXT,
    note                TEXT,
    metadata            TEXT,
    created_at          TEXT DEFAULT (datetime('now')),
    updated_at          TEXT DEFAULT (datetime('now')),
    paid_at             TEXT,
    completed_at        TEXT,
    expires_at          TEXT,
    FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE,
    FOREIGN KEY (recharge_record_id) REFERENCES user_recharge_records(id) ON DELETE SET NULL
);

CREATE UNIQUE INDEX IF NOT EXISTS payment_orders_public_id_unique
    ON payment_orders (public_id);

CREATE UNIQUE INDEX IF NOT EXISTS payment_orders_provider_session_unique
    ON payment_orders (provider, provider_session_id)
    WHERE provider_session_id IS NOT NULL;

CREATE INDEX IF NOT EXISTS payment_orders_user_created_idx
    ON payment_orders (user_id, created_at DESC);

CREATE INDEX IF NOT EXISTS payment_orders_status_idx
    ON payment_orders (status);