CREATE TABLE IF NOT EXISTS users (
    id BIGSERIAL PRIMARY KEY,
    created_at TIMESTAMPTZ,
    updated_at TIMESTAMPTZ,
    deleted_at TIMESTAMPTZ,
    username VARCHAR(64) NOT NULL,
    password_hash VARCHAR(255) NOT NULL,
    nickname VARCHAR(64),
    role VARCHAR(32) NOT NULL DEFAULT 'distributor',
    status BIGINT DEFAULT 1,
    invite_code VARCHAR(32),
    parent_id BIGINT
);

CREATE UNIQUE INDEX IF NOT EXISTS idx_users_username ON users (username);
CREATE UNIQUE INDEX IF NOT EXISTS idx_users_invite_code ON users (invite_code);
CREATE INDEX IF NOT EXISTS idx_users_deleted_at ON users (deleted_at);
CREATE INDEX IF NOT EXISTS idx_users_parent_id ON users (parent_id);

CREATE TABLE IF NOT EXISTS merchants (
    id BIGSERIAL PRIMARY KEY,
    created_at TIMESTAMPTZ,
    updated_at TIMESTAMPTZ,
    deleted_at TIMESTAMPTZ,
    code VARCHAR(64) NOT NULL,
    name VARCHAR(128) NOT NULL,
    status VARCHAR(16) NOT NULL DEFAULT 'active',
    contact_name VARCHAR(64),
    contact_info VARCHAR(128)
);

CREATE UNIQUE INDEX IF NOT EXISTS idx_merchants_code ON merchants (code);
CREATE INDEX IF NOT EXISTS idx_merchants_deleted_at ON merchants (deleted_at);
CREATE INDEX IF NOT EXISTS idx_merchants_status ON merchants (status);

CREATE TABLE IF NOT EXISTS merchant_members (
    id BIGSERIAL PRIMARY KEY,
    created_at TIMESTAMPTZ,
    updated_at TIMESTAMPTZ,
    merchant_id BIGINT NOT NULL,
    user_id BIGINT NOT NULL,
    role VARCHAR(32) NOT NULL DEFAULT 'operator',
    status BIGINT NOT NULL DEFAULT 1,
    is_default BOOLEAN NOT NULL DEFAULT FALSE
);

CREATE UNIQUE INDEX IF NOT EXISTS idx_merchant_member ON merchant_members (merchant_id, user_id);
CREATE INDEX IF NOT EXISTS idx_merchant_members_merchant_id ON merchant_members (merchant_id);
CREATE INDEX IF NOT EXISTS idx_merchant_members_user_id ON merchant_members (user_id);

CREATE TABLE IF NOT EXISTS skins (
    id BIGSERIAL PRIMARY KEY,
    created_at TIMESTAMPTZ,
    updated_at TIMESTAMPTZ,
    deleted_at TIMESTAMPTZ,
    merchant_id BIGINT NOT NULL DEFAULT 0,
    name VARCHAR(128) NOT NULL,
    sku VARCHAR(64) NOT NULL,
    game VARCHAR(64),
    category VARCHAR(64),
    cover_url VARCHAR(512),
    price DOUBLE PRECISION NOT NULL DEFAULT 0,
    cost_price DOUBLE PRECISION DEFAULT 0,
    commission DOUBLE PRECISION DEFAULT 0,
    stock BIGINT DEFAULT 0,
    status BIGINT DEFAULT 1,
    description TEXT
);

DROP INDEX IF EXISTS idx_skins_sku;
CREATE UNIQUE INDEX IF NOT EXISTS idx_skins_merchant_sku ON skins (merchant_id, sku);
CREATE INDEX IF NOT EXISTS idx_skins_deleted_at ON skins (deleted_at);
CREATE INDEX IF NOT EXISTS idx_skins_merchant_id ON skins (merchant_id);
CREATE INDEX IF NOT EXISTS idx_skins_game ON skins (game);
CREATE INDEX IF NOT EXISTS idx_skins_category ON skins (category);

CREATE TABLE IF NOT EXISTS orders (
    id BIGSERIAL PRIMARY KEY,
    created_at TIMESTAMPTZ,
    updated_at TIMESTAMPTZ,
    deleted_at TIMESTAMPTZ,
    merchant_id BIGINT NOT NULL DEFAULT 0,
    order_no VARCHAR(64) NOT NULL,
    skin_id BIGINT NOT NULL,
    distributor_id BIGINT NOT NULL,
    buyer_name VARCHAR(64),
    amount DOUBLE PRECISION NOT NULL,
    commission_amt DOUBLE PRECISION DEFAULT 0,
    status VARCHAR(32) DEFAULT 'pending',
    remark VARCHAR(255),
    provider_order_no VARCHAR(64),
    shipped_at TIMESTAMPTZ,
    ship_fail_reason VARCHAR(512),
    game_channel VARCHAR(64),
    game_uid VARCHAR(128),
    role_name VARCHAR(64),
    pay_score BIGINT DEFAULT 0
);

CREATE UNIQUE INDEX IF NOT EXISTS idx_orders_order_no ON orders (order_no);
CREATE INDEX IF NOT EXISTS idx_orders_deleted_at ON orders (deleted_at);
CREATE INDEX IF NOT EXISTS idx_orders_merchant_id ON orders (merchant_id);
CREATE INDEX IF NOT EXISTS idx_orders_skin_id ON orders (skin_id);
CREATE INDEX IF NOT EXISTS idx_orders_distributor_id ON orders (distributor_id);
CREATE INDEX IF NOT EXISTS idx_orders_status ON orders (status);
CREATE INDEX IF NOT EXISTS idx_orders_provider_order_no ON orders (provider_order_no);

CREATE TABLE IF NOT EXISTS ship_logs (
    id BIGSERIAL PRIMARY KEY,
    created_at TIMESTAMPTZ,
    merchant_id BIGINT NOT NULL DEFAULT 0,
    order_no VARCHAR(64) NOT NULL,
    order_id BIGINT,
    ship_status VARCHAR(32) NOT NULL,
    provider_order_no VARCHAR(64),
    fail_reason VARCHAR(512),
    payload TEXT,
    result_status VARCHAR(32),
    message VARCHAR(255)
);

CREATE INDEX IF NOT EXISTS idx_ship_logs_merchant_id ON ship_logs (merchant_id);
CREATE INDEX IF NOT EXISTS idx_ship_logs_order_no ON ship_logs (order_no);
CREATE INDEX IF NOT EXISTS idx_ship_logs_order_id ON ship_logs (order_id);

CREATE TABLE IF NOT EXISTS api_clients (
    id BIGSERIAL PRIMARY KEY,
    created_at TIMESTAMPTZ,
    updated_at TIMESTAMPTZ,
    deleted_at TIMESTAMPTZ,
    merchant_id BIGINT NOT NULL,
    name VARCHAR(128) NOT NULL,
    app_key VARCHAR(96) NOT NULL,
    secret_ciphertext TEXT NOT NULL,
    signature_version VARCHAR(16) NOT NULL DEFAULT 'v1',
    scopes TEXT NOT NULL,
    status VARCHAR(16) NOT NULL DEFAULT 'active',
    expires_at TIMESTAMPTZ,
    last_used_at TIMESTAMPTZ
);

CREATE UNIQUE INDEX IF NOT EXISTS idx_api_clients_app_key ON api_clients (app_key);
CREATE INDEX IF NOT EXISTS idx_api_clients_deleted_at ON api_clients (deleted_at);
CREATE INDEX IF NOT EXISTS idx_api_clients_merchant_id ON api_clients (merchant_id);
CREATE INDEX IF NOT EXISTS idx_api_clients_status ON api_clients (status);

CREATE TABLE IF NOT EXISTS products (
    id BIGSERIAL PRIMARY KEY,
    created_at TIMESTAMPTZ,
    updated_at TIMESTAMPTZ,
    deleted_at TIMESTAMPTZ,
    code VARCHAR(96) NOT NULL,
    name VARCHAR(160) NOT NULL,
    category VARCHAR(64),
    description TEXT,
    attributes TEXT,
    status VARCHAR(16) NOT NULL DEFAULT 'active'
);

CREATE UNIQUE INDEX IF NOT EXISTS idx_products_code ON products (code);
CREATE INDEX IF NOT EXISTS idx_products_deleted_at ON products (deleted_at);
CREATE INDEX IF NOT EXISTS idx_products_category ON products (category);
CREATE INDEX IF NOT EXISTS idx_products_status ON products (status);

CREATE TABLE IF NOT EXISTS merchant_products (
    id BIGSERIAL PRIMARY KEY,
    created_at TIMESTAMPTZ,
    updated_at TIMESTAMPTZ,
    deleted_at TIMESTAMPTZ,
    merchant_id BIGINT NOT NULL,
    product_id BIGINT NOT NULL,
    sku VARCHAR(96) NOT NULL,
    display_name VARCHAR(160),
    price_amount BIGINT NOT NULL DEFAULT 0,
    cost_amount BIGINT NOT NULL DEFAULT 0,
    currency VARCHAR(12) NOT NULL DEFAULT 'CNY',
    stock BIGINT NOT NULL DEFAULT -1,
    status VARCHAR(16) NOT NULL DEFAULT 'active',
    fulfillment_config TEXT
);

CREATE UNIQUE INDEX IF NOT EXISTS idx_merchant_product_sku ON merchant_products (merchant_id, sku);
CREATE INDEX IF NOT EXISTS idx_merchant_products_deleted_at ON merchant_products (deleted_at);
CREATE INDEX IF NOT EXISTS idx_merchant_products_merchant_id ON merchant_products (merchant_id);
CREATE INDEX IF NOT EXISTS idx_merchant_products_product_id ON merchant_products (product_id);
CREATE INDEX IF NOT EXISTS idx_merchant_products_status ON merchant_products (status);

CREATE TABLE IF NOT EXISTS wallet_accounts (
    id BIGSERIAL PRIMARY KEY,
    created_at TIMESTAMPTZ,
    updated_at TIMESTAMPTZ,
    merchant_id BIGINT NOT NULL,
    currency VARCHAR(12) NOT NULL DEFAULT 'CNY',
    available_balance BIGINT NOT NULL DEFAULT 0,
    frozen_balance BIGINT NOT NULL DEFAULT 0
);

CREATE UNIQUE INDEX IF NOT EXISTS idx_wallet_accounts_merchant_id ON wallet_accounts (merchant_id);

CREATE TABLE IF NOT EXISTS wallet_ledger_entries (
    id BIGSERIAL PRIMARY KEY,
    created_at TIMESTAMPTZ,
    merchant_id BIGINT NOT NULL,
    wallet_account_id BIGINT NOT NULL,
    entry_no VARCHAR(64) NOT NULL,
    type VARCHAR(24) NOT NULL,
    amount BIGINT NOT NULL,
    balance_after BIGINT NOT NULL,
    reference_type VARCHAR(32) NOT NULL,
    reference_no VARCHAR(96) NOT NULL,
    idempotency_key VARCHAR(128),
    note VARCHAR(255)
);

CREATE UNIQUE INDEX IF NOT EXISTS idx_wallet_ledger_entries_entry_no ON wallet_ledger_entries (entry_no);
CREATE UNIQUE INDEX IF NOT EXISTS idx_wallet_ledger_idempotency ON wallet_ledger_entries (merchant_id, idempotency_key);
CREATE INDEX IF NOT EXISTS idx_wallet_ledger_entries_merchant_id ON wallet_ledger_entries (merchant_id);
CREATE INDEX IF NOT EXISTS idx_wallet_ledger_entries_wallet_account_id ON wallet_ledger_entries (wallet_account_id);
CREATE INDEX IF NOT EXISTS idx_wallet_ledger_entries_type ON wallet_ledger_entries (type);
CREATE INDEX IF NOT EXISTS idx_wallet_ledger_entries_reference_no ON wallet_ledger_entries (reference_no);

CREATE TABLE IF NOT EXISTS fulfillment_orders (
    id BIGSERIAL PRIMARY KEY,
    created_at TIMESTAMPTZ,
    updated_at TIMESTAMPTZ,
    deleted_at TIMESTAMPTZ,
    merchant_id BIGINT NOT NULL,
    order_no VARCHAR(64) NOT NULL,
    client_order_no VARCHAR(96) NOT NULL,
    merchant_product_id BIGINT NOT NULL,
    product_sku VARCHAR(96) NOT NULL,
    product_name VARCHAR(160) NOT NULL,
    quantity BIGINT NOT NULL DEFAULT 1,
    amount BIGINT NOT NULL,
    currency VARCHAR(12) NOT NULL DEFAULT 'CNY',
    payment_status VARCHAR(16) NOT NULL DEFAULT 'pending',
    fulfillment_status VARCHAR(16) NOT NULL DEFAULT 'pending',
    buyer_reference VARCHAR(128),
    request_data TEXT,
    result_data TEXT,
    provider_order_no VARCHAR(96),
    failure_reason VARCHAR(512),
    cancelled_at TIMESTAMPTZ,
    delivered_at TIMESTAMPTZ
);

CREATE UNIQUE INDEX IF NOT EXISTS idx_fulfillment_orders_order_no ON fulfillment_orders (order_no);
CREATE UNIQUE INDEX IF NOT EXISTS idx_order_client_no ON fulfillment_orders (merchant_id, client_order_no);
CREATE INDEX IF NOT EXISTS idx_fulfillment_orders_deleted_at ON fulfillment_orders (deleted_at);
CREATE INDEX IF NOT EXISTS idx_fulfillment_orders_merchant_id ON fulfillment_orders (merchant_id);
CREATE INDEX IF NOT EXISTS idx_fulfillment_orders_merchant_product_id ON fulfillment_orders (merchant_product_id);
CREATE INDEX IF NOT EXISTS idx_fulfillment_orders_payment_status ON fulfillment_orders (payment_status);
CREATE INDEX IF NOT EXISTS idx_fulfillment_orders_fulfillment_status ON fulfillment_orders (fulfillment_status);
CREATE INDEX IF NOT EXISTS idx_fulfillment_orders_provider_order_no ON fulfillment_orders (provider_order_no);

CREATE TABLE IF NOT EXISTS fulfillment_jobs (
    id BIGSERIAL PRIMARY KEY,
    created_at TIMESTAMPTZ,
    updated_at TIMESTAMPTZ,
    merchant_id BIGINT NOT NULL,
    order_id BIGINT NOT NULL,
    status VARCHAR(16) NOT NULL DEFAULT 'pending',
    attempts BIGINT NOT NULL DEFAULT 0,
    next_run_at TIMESTAMPTZ NOT NULL,
    provider_order_no VARCHAR(96),
    request_payload TEXT,
    result_payload TEXT,
    last_error VARCHAR(512)
);

CREATE UNIQUE INDEX IF NOT EXISTS idx_fulfillment_jobs_order_id ON fulfillment_jobs (order_id);
CREATE INDEX IF NOT EXISTS idx_fulfillment_jobs_merchant_id ON fulfillment_jobs (merchant_id);
CREATE INDEX IF NOT EXISTS idx_fulfillment_jobs_status ON fulfillment_jobs (status);
CREATE INDEX IF NOT EXISTS idx_fulfillment_jobs_next_run_at ON fulfillment_jobs (next_run_at);
CREATE INDEX IF NOT EXISTS idx_fulfillment_jobs_provider_order_no ON fulfillment_jobs (provider_order_no);

CREATE TABLE IF NOT EXISTS callback_subscriptions (
    id BIGSERIAL PRIMARY KEY,
    created_at TIMESTAMPTZ,
    updated_at TIMESTAMPTZ,
    deleted_at TIMESTAMPTZ,
    merchant_id BIGINT NOT NULL,
    name VARCHAR(128) NOT NULL,
    url VARCHAR(1024) NOT NULL,
    events TEXT NOT NULL,
    secret_ciphertext TEXT NOT NULL,
    status VARCHAR(16) NOT NULL DEFAULT 'active'
);

CREATE INDEX IF NOT EXISTS idx_callback_subscriptions_deleted_at ON callback_subscriptions (deleted_at);
CREATE INDEX IF NOT EXISTS idx_callback_subscriptions_merchant_id ON callback_subscriptions (merchant_id);
CREATE INDEX IF NOT EXISTS idx_callback_subscriptions_status ON callback_subscriptions (status);

CREATE TABLE IF NOT EXISTS callback_deliveries (
    id BIGSERIAL PRIMARY KEY,
    created_at TIMESTAMPTZ,
    updated_at TIMESTAMPTZ,
    merchant_id BIGINT NOT NULL,
    callback_subscription_id BIGINT NOT NULL,
    event_id VARCHAR(64) NOT NULL,
    event VARCHAR(64) NOT NULL,
    payload TEXT NOT NULL,
    status VARCHAR(16) NOT NULL DEFAULT 'pending',
    attempts BIGINT NOT NULL DEFAULT 0,
    next_attempt_at TIMESTAMPTZ NOT NULL,
    last_status_code BIGINT NOT NULL DEFAULT 0,
    last_response TEXT,
    delivered_at TIMESTAMPTZ
);

CREATE UNIQUE INDEX IF NOT EXISTS idx_callback_deliveries_event_id ON callback_deliveries (event_id);
CREATE INDEX IF NOT EXISTS idx_callback_deliveries_merchant_id ON callback_deliveries (merchant_id);
CREATE INDEX IF NOT EXISTS idx_callback_deliveries_callback_subscription_id ON callback_deliveries (callback_subscription_id);
CREATE INDEX IF NOT EXISTS idx_callback_deliveries_event ON callback_deliveries (event);
CREATE INDEX IF NOT EXISTS idx_callback_deliveries_status ON callback_deliveries (status);
CREATE INDEX IF NOT EXISTS idx_callback_deliveries_next_attempt_at ON callback_deliveries (next_attempt_at);

CREATE TABLE IF NOT EXISTS api_request_nonces (
    id BIGSERIAL PRIMARY KEY,
    created_at TIMESTAMPTZ,
    api_client_id BIGINT NOT NULL,
    nonce VARCHAR(96) NOT NULL,
    expires_at TIMESTAMPTZ NOT NULL
);

CREATE UNIQUE INDEX IF NOT EXISTS idx_api_nonce ON api_request_nonces (api_client_id, nonce);
CREATE INDEX IF NOT EXISTS idx_api_request_nonces_api_client_id ON api_request_nonces (api_client_id);
CREATE INDEX IF NOT EXISTS idx_api_request_nonces_expires_at ON api_request_nonces (expires_at);

CREATE TABLE IF NOT EXISTS audit_logs (
    id BIGSERIAL PRIMARY KEY,
    created_at TIMESTAMPTZ,
    merchant_id BIGINT,
    actor_user_id BIGINT,
    api_client_id BIGINT,
    request_id VARCHAR(64),
    action VARCHAR(96) NOT NULL,
    entity_type VARCHAR(64) NOT NULL,
    entity_id VARCHAR(96) NOT NULL,
    metadata TEXT
);

CREATE INDEX IF NOT EXISTS idx_audit_logs_merchant_id ON audit_logs (merchant_id);
CREATE INDEX IF NOT EXISTS idx_audit_logs_actor_user_id ON audit_logs (actor_user_id);
CREATE INDEX IF NOT EXISTS idx_audit_logs_api_client_id ON audit_logs (api_client_id);
CREATE INDEX IF NOT EXISTS idx_audit_logs_request_id ON audit_logs (request_id);
CREATE INDEX IF NOT EXISTS idx_audit_logs_action ON audit_logs (action);
CREATE INDEX IF NOT EXISTS idx_audit_logs_entity_type ON audit_logs (entity_type);
CREATE INDEX IF NOT EXISTS idx_audit_logs_entity_id ON audit_logs (entity_id);