CREATE TABLE IF NOT EXISTS telegram_users (
    id INT AUTO_INCREMENT PRIMARY KEY,
    telegram_id BIGINT NOT NULL UNIQUE,
    username VARCHAR(64) NULL,
    first_name VARCHAR(255) NULL,
    last_name VARCHAR(255) NULL,
    language_code VARCHAR(16) NULL,
    is_admin BOOLEAN NOT NULL DEFAULT FALSE,
    is_blocked BOOLEAN NOT NULL DEFAULT FALSE,
    discount_ever_used BOOLEAN NOT NULL DEFAULT FALSE,
    last_seen_at DATETIME NOT NULL,
    created_at DATETIME NOT NULL,
    updated_at DATETIME NOT NULL,
    INDEX ix_telegram_users_telegram_id (telegram_id)
);

CREATE TABLE IF NOT EXISTS remnawave_users (
    id INT AUTO_INCREMENT PRIMARY KEY,
    owner_telegram_user_id INT NULL,
    rw_uuid CHAR(36) NOT NULL UNIQUE,
    rw_id BIGINT NOT NULL UNIQUE,
    short_uuid VARCHAR(48) NOT NULL UNIQUE,
    username VARCHAR(36) NOT NULL UNIQUE,
    status VARCHAR(16) NOT NULL,
    traffic_limit_bytes BIGINT NOT NULL DEFAULT 0,
    used_traffic_bytes DOUBLE NOT NULL DEFAULT 0,
    lifetime_used_traffic_bytes DOUBLE NOT NULL DEFAULT 0,
    expire_at DATETIME NOT NULL,
    telegram_id BIGINT NULL,
    email VARCHAR(320) NULL,
    description TEXT NULL,
    tag VARCHAR(16) NULL,
    hwid_device_limit INT NULL,
    external_squad_uuid CHAR(36) NULL,
    trojan_password VARCHAR(64) NOT NULL,
    vless_uuid CHAR(36) NOT NULL,
    ss_password VARCHAR(64) NOT NULL,
    last_triggered_threshold INT NOT NULL DEFAULT 0,
    sub_revoked_at DATETIME NULL,
    sub_last_user_agent VARCHAR(512) NULL,
    sub_last_opened_at DATETIME NULL,
    last_traffic_reset_at DATETIME NULL,
    subscription_url TEXT NOT NULL,
    online_at DATETIME NULL,
    first_connected_at DATETIME NULL,
    last_connected_node_uuid CHAR(36) NULL,
    remote_created_at DATETIME NOT NULL,
    remote_updated_at DATETIME NOT NULL,
    synced_at DATETIME NOT NULL,
    CONSTRAINT fk_remnawave_users_owner
        FOREIGN KEY (owner_telegram_user_id)
        REFERENCES telegram_users (id)
        ON DELETE SET NULL,
    INDEX ix_remnawave_users_rw_uuid (rw_uuid),
    INDEX ix_remnawave_users_short_uuid (short_uuid),
    INDEX ix_remnawave_users_username (username),
    INDEX ix_remnawave_users_telegram_id (telegram_id),
    INDEX ix_remnawave_users_email (email),
    INDEX ix_remnawave_users_tag (tag)
);

CREATE TABLE IF NOT EXISTS internal_squads (
    uuid CHAR(36) PRIMARY KEY,
    name VARCHAR(255) NOT NULL,
    synced_at DATETIME NOT NULL
);

CREATE TABLE IF NOT EXISTS remnawave_user_internal_squads (
    user_id INT NOT NULL,
    squad_uuid CHAR(36) NOT NULL,
    PRIMARY KEY (user_id, squad_uuid),
    CONSTRAINT fk_rw_user_squad_user
        FOREIGN KEY (user_id)
        REFERENCES remnawave_users (id)
        ON DELETE CASCADE,
    CONSTRAINT fk_rw_user_squad_squad
        FOREIGN KEY (squad_uuid)
        REFERENCES internal_squads (uuid)
        ON DELETE CASCADE
);

CREATE TABLE IF NOT EXISTS subscription_request_logs (
    id INT AUTO_INCREMENT PRIMARY KEY,
    remote_id BIGINT NOT NULL UNIQUE,
    user_uuid CHAR(36) NOT NULL,
    request_at DATETIME NOT NULL,
    request_ip VARCHAR(45) NULL,
    user_agent TEXT NULL,
    synced_at DATETIME NOT NULL,
    CONSTRAINT fk_subscription_request_logs_user
        FOREIGN KEY (user_uuid)
        REFERENCES remnawave_users (rw_uuid)
        ON DELETE CASCADE,
    INDEX ix_subscription_request_logs_user_uuid (user_uuid),
    INDEX ix_subscription_request_logs_request_at (request_at)
);

CREATE TABLE IF NOT EXISTS guides (
    id INT AUTO_INCREMENT PRIMARY KEY,
    title VARCHAR(255) NOT NULL,
    short_description VARCHAR(512) NOT NULL DEFAULT '',
    body_text TEXT NOT NULL,
    is_active BOOLEAN NOT NULL DEFAULT TRUE,
    created_by_telegram_id BIGINT NULL,
    created_at DATETIME NOT NULL,
    updated_at DATETIME NOT NULL,
    INDEX ix_guides_is_active (is_active),
    INDEX ix_guides_created_by_telegram_id (created_by_telegram_id)
);

CREATE TABLE IF NOT EXISTS guide_photos (
    id INT AUTO_INCREMENT PRIMARY KEY,
    guide_id INT NOT NULL,
    file_id VARCHAR(512) NOT NULL,
    position INT NOT NULL DEFAULT 0,
    created_at DATETIME NOT NULL,
    CONSTRAINT fk_guide_photos_guide
        FOREIGN KEY (guide_id)
        REFERENCES guides (id)
        ON DELETE CASCADE,
    INDEX ix_guide_photos_guide_id (guide_id)
);

CREATE TABLE IF NOT EXISTS support_tickets (
    id INT AUTO_INCREMENT PRIMARY KEY,
    public_id VARCHAR(32) NOT NULL UNIQUE,
    telegram_id BIGINT NOT NULL,
    username VARCHAR(64) NULL,
    display_name VARCHAR(255) NOT NULL,
    user_message TEXT NOT NULL,
    support_chat_id BIGINT NOT NULL,
    support_thread_id INT NULL,
    support_message_id BIGINT NULL,
    status VARCHAR(16) NOT NULL DEFAULT 'OPEN',
    created_at DATETIME NOT NULL,
    updated_at DATETIME NOT NULL,
    UNIQUE KEY ix_support_tickets_chat_message (support_chat_id, support_message_id),
    INDEX ix_support_tickets_public_id (public_id),
    INDEX ix_support_tickets_telegram_id (telegram_id),
    INDEX ix_support_tickets_support_chat_id (support_chat_id)
);

CREATE TABLE IF NOT EXISTS referral_invites (
    id INT AUTO_INCREMENT PRIMARY KEY,
    inviter_telegram_id BIGINT NOT NULL,
    invited_telegram_id BIGINT NOT NULL UNIQUE,
    invited_username VARCHAR(64) NULL,
    invited_display_name VARCHAR(255) NOT NULL,
    discount_used BOOLEAN NOT NULL DEFAULT FALSE,
    created_at DATETIME NOT NULL,
    INDEX ix_referral_invites_inviter_telegram_id (inviter_telegram_id),
    INDEX ix_referral_invites_invited_telegram_id (invited_telegram_id)
);

CREATE TABLE IF NOT EXISTS referral_codes (
    id INT AUTO_INCREMENT PRIMARY KEY,
    telegram_id BIGINT NOT NULL UNIQUE,
    code VARCHAR(32) NOT NULL UNIQUE,
    created_at DATETIME NOT NULL,
    updated_at DATETIME NOT NULL,
    INDEX ix_referral_codes_telegram_id (telegram_id),
    INDEX ix_referral_codes_code (code)
);

CREATE TABLE IF NOT EXISTS promo_codes (
    id INT AUTO_INCREMENT PRIMARY KEY,
    code VARCHAR(32) NOT NULL UNIQUE,
    plan_code VARCHAR(64) NULL,
    discount_percent INT NOT NULL DEFAULT 0,
    expires_at DATETIME NULL,
    is_active BOOLEAN NOT NULL DEFAULT TRUE,
    created_by_telegram_id BIGINT NULL,
    created_at DATETIME NOT NULL,
    updated_at DATETIME NOT NULL,
    INDEX ix_promo_codes_code (code),
    INDEX ix_promo_codes_plan_code (plan_code),
    INDEX ix_promo_codes_expires_at (expires_at),
    INDEX ix_promo_codes_is_active (is_active),
    INDEX ix_promo_codes_created_by_telegram_id (created_by_telegram_id)
);

CREATE TABLE IF NOT EXISTS promo_code_applications (
    id INT AUTO_INCREMENT PRIMARY KEY,
    telegram_id BIGINT NOT NULL UNIQUE,
    promo_code_id INT NOT NULL,
    created_at DATETIME NOT NULL,
    updated_at DATETIME NOT NULL,
    CONSTRAINT fk_promo_code_applications_promo_code
        FOREIGN KEY (promo_code_id)
        REFERENCES promo_codes (id)
        ON DELETE CASCADE,
    INDEX ix_promo_code_applications_telegram_id (telegram_id),
    INDEX ix_promo_code_applications_promo_code_id (promo_code_id)
);

CREATE TABLE IF NOT EXISTS payment_orders (
    id INT AUTO_INCREMENT PRIMARY KEY,
    order_uuid CHAR(36) NOT NULL UNIQUE,
    telegram_user_id INT NOT NULL,
    telegram_id BIGINT NOT NULL,
    plan_code VARCHAR(64) NOT NULL,
    plan_title VARCHAR(255) NOT NULL,
    plan_duration_days INT NOT NULL,
    traffic_limit_bytes BIGINT NOT NULL DEFAULT 0,
    traffic_limit_strategy VARCHAR(32) NOT NULL DEFAULT 'NO_RESET',
    amount_stars INT NOT NULL,
    currency VARCHAR(8) NOT NULL DEFAULT 'XTR',
    status VARCHAR(32) NOT NULL DEFAULT 'PENDING',
    invoice_payload VARCHAR(128) NOT NULL UNIQUE,
    provision_username VARCHAR(36) NOT NULL,
    remnawave_user_uuid CHAR(36) NULL,
    subscription_url TEXT NULL,
    telegram_payment_charge_id VARCHAR(255) NULL UNIQUE,
    provider_payment_charge_id VARCHAR(255) NULL,
    error_message TEXT NULL,
    paid_at DATETIME NULL,
    fulfilled_at DATETIME NULL,
    created_at DATETIME NOT NULL,
    updated_at DATETIME NOT NULL,
    CONSTRAINT fk_payment_orders_telegram_user
        FOREIGN KEY (telegram_user_id)
        REFERENCES telegram_users (id)
        ON DELETE CASCADE,
    INDEX ix_payment_orders_order_uuid (order_uuid),
    INDEX ix_payment_orders_telegram_user_id (telegram_user_id),
    INDEX ix_payment_orders_telegram_id (telegram_id),
    INDEX ix_payment_orders_plan_code (plan_code),
    INDEX ix_payment_orders_status (status),
    INDEX ix_payment_orders_invoice_payload (invoice_payload),
    INDEX ix_payment_orders_provision_username (provision_username),
    INDEX ix_payment_orders_remnawave_user_uuid (remnawave_user_uuid)
);