-- +goose Up

CREATE TABLE apis
(
    id                           BIGSERIAL PRIMARY KEY,
    name                         VARCHAR(255) NOT NULL,
    description                  TEXT,
--     后端地址
    backend_url                  VARCHAR(255) NOT NULL,
    auth_token                   VARCHAR(255) NOT NULL,
--     是否已经验证（验证时间）
    ownership_verified_at        TIMESTAMP DEFAULT Null,
--     所有权验证 token
    ownership_verification_token VARCHAR(255) NOT NULL,
--     user id string
    user_id                      VARCHAR(255) NOT NULL,
--     状态
    status                       VARCHAR(255) NOT NULL,
    created_at                   TIMESTAMP DEFAULT now(),
    updated_at                   TIMESTAMP DEFAULT now(),
    deleted_at                   TIMESTAMP DEFAULT Null
);

-- index
CREATE INDEX idx_api_name ON apis (name);
CREATE INDEX idx_api_user_id ON apis (user_id);
CREATE INDEX idx_api_status ON apis (status);
CREATE INDEX idx_api_deleted_at ON apis (deleted_at);
CREATE INDEX idx_api_ownership_verified_at ON apis (ownership_verified_at);


CREATE TABLE api_documents
(
    id          BIGSERIAL PRIMARY KEY,
    api_id      BIGINT       NOT NULL,
    openapi_url VARCHAR(255) NOT NULL,
    content     TEXT,
    created_at  TIMESTAMP DEFAULT now(),
    updated_at  TIMESTAMP DEFAULT now(),
    CONSTRAINT fk_api_id
        FOREIGN KEY (api_id) REFERENCES apis (id)
);
CREATE INDEX idx_api_documents_api_id ON api_documents (api_id);
CREATE INDEX idx_api_documents_openapi_url ON api_documents (openapi_url);

CREATE TABLE packages
(
    id             BIGSERIAL PRIMARY KEY,
    name           VARCHAR(255) NOT NULL,
    description    TEXT,
    api_id         BIGINT       NOT NULL,
    price          DECIMAL(10, 2),
--     hidden
    is_hidden      BOOLEAN   DEFAULT false,
    is_published   BOOLEAN   DEFAULT false,
    call_limit     BIGINT    DEFAULT 10000,
--     有效期（天）
    duration       INTEGER   DEFAULT 30,
--     是否为试用套餐
    is_trial       BOOLEAN   DEFAULT false,
--     每个用户的购买限制
    purchase_limit INTEGER   DEFAULT 1,
    created_at     TIMESTAMP DEFAULT now(),
    updated_at     TIMESTAMP DEFAULT now(),
    CONSTRAINT fk_api_id FOREIGN KEY (api_id) REFERENCES apis (id),
    deleted_at     TIMESTAMP DEFAULT Null
);
CREATE INDEX idx_package_name ON packages (name);
CREATE INDEX idx_package_api_id ON packages (api_id);
CREATE INDEX idx_package_price ON packages (price);
CREATE INDEX idx_package_is_published ON packages (is_published);
CREATE INDEX idx_package_is_hidden ON packages (is_hidden);
CREATE INDEX idx_package_is_trial ON packages (is_trial);
CREATE INDEX idx_package_call_limit ON packages (call_limit);
CREATE INDEX idx_package_duration ON packages (duration);
CREATE INDEX idx_package_purchase_limit ON packages (purchase_limit);
CREATE INDEX idx_package_deleted_at ON packages (deleted_at);

CREATE TABLE user_packages
(
    id            BIGSERIAL PRIMARY KEY,
    user_id       VARCHAR(255) NOT NULL,
    package_id    BIGINT       NOT NULL,
    calls_left    INTEGER   DEFAULT 0,
    is_active     BOOLEAN   DEFAULT false,
    expiration_at TIMESTAMP DEFAULT NULL,
    purchase_at   TIMESTAMP    NOT NULL,
    created_at    TIMESTAMP DEFAULT now(),
    updated_at    TIMESTAMP DEFAULT now(),
    CONSTRAINT fk_package_id FOREIGN KEY (package_id) REFERENCES packages (id)
);
CREATE INDEX idx_user_package_user_id ON user_packages (user_id);
CREATE INDEX idx_user_package_package_id ON user_packages (package_id);
CREATE INDEX idx_user_package_is_active ON user_packages (is_active);
CREATE INDEX idx_user_package_expiration_at ON user_packages (expiration_at);
CREATE INDEX idx_user_package_purchase_at ON user_packages (purchase_at);
CREATE INDEX idx_user_package_calls_left ON user_packages (calls_left);


CREATE TABLE promo_codes
(
    id              BIGSERIAL PRIMARY KEY,
    code            VARCHAR(255)   NOT NULL,
    discount_type   VARCHAR(255)   NOT NULL,
    discount_value  DECIMAL(10, 2) NOT NULL,
    expiration_date TIMESTAMP,
    is_active       BOOLEAN   DEFAULT true,
    created_at      TIMESTAMP DEFAULT now(),
    updated_at      TIMESTAMP DEFAULT now(),
    deleted_at      TIMESTAMP DEFAULT Null
);
CREATE INDEX idx_promo_code_code ON promo_codes (code);
CREATE INDEX idx_promo_code_discount_type ON promo_codes (discount_type);
CREATE INDEX idx_promo_code_discount_value ON promo_codes (discount_value);
CREATE INDEX idx_promo_code_expiration_date ON promo_codes (expiration_date);
CREATE INDEX idx_promo_code_is_active ON promo_codes (is_active);
CREATE INDEX idx_promo_code_deleted_at ON promo_codes (deleted_at);

CREATE TABLE orders
(
    id            BIGSERIAL PRIMARY KEY,
    user_id       VARCHAR(255)   NOT NULL,
    promo_code_id BIGINT    DEFAULT NULL,
    price         DECIMAL(10, 2) NOT NULL,
    order_date    TIMESTAMP      NOT NULL,
    created_at    TIMESTAMP DEFAULT now(),
    updated_at    TIMESTAMP DEFAULT now(),
    CONSTRAINT fk_promo_code_id FOREIGN KEY (promo_code_id) REFERENCES promo_codes (id) ON DELETE SET NULL
);
CREATE INDEX idx_order_user_id ON orders (user_id);
CREATE INDEX idx_order_promo_code_id ON orders (promo_code_id);
CREATE INDEX idx_order_price ON orders (price);
CREATE INDEX idx_order_order_date ON orders (order_date);


CREATE TABLE order_items
(
    id         BIGSERIAL PRIMARY KEY,
    order_id   BIGINT NOT NULL,
    package_id BIGINT NOT NULL,
    created_at TIMESTAMP DEFAULT now(),
    updated_at TIMESTAMP DEFAULT now(),
    CONSTRAINT fk_order_id FOREIGN KEY (order_id) REFERENCES orders (id)
);
CREATE INDEX idx_order_item_order_id ON order_items (order_id);
CREATE INDEX idx_order_item_package_id ON order_items (package_id);

-- +goose Down
DROP TABLE IF EXISTS order_items;
DROP TABLE IF EXISTS orders;
DROP TABLE IF EXISTS promo_codes;
DROP TABLE IF EXISTS user_packages;
DROP TABLE IF EXISTS packages;
DROP TABLE IF EXISTS api_documents;
DROP TABLE IF EXISTS apis;