-- db/init.sql
-- Создаёт таблицы для хранения пользователей, ключей маркетплейсов, кейсов и файлов

CREATE TABLE IF NOT EXISTS users (
    id SERIAL PRIMARY KEY,
    username VARCHAR(50) UNIQUE NOT NULL,
    password_hash TEXT NOT NULL,
    plan VARCHAR(20) DEFAULT 'free',
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);

CREATE TABLE IF NOT EXISTS credentials (
    user_id INT REFERENCES users(id) ON DELETE CASCADE,
    platform VARCHAR(50),
    api_key TEXT,
    client_id TEXT,
    client_secret TEXT,
    other_data JSONB,
    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    PRIMARY KEY (user_id, platform)
);

CREATE TABLE IF NOT EXISTS cases (
    id SERIAL PRIMARY KEY,
    user_id INT REFERENCES users(id) ON DELETE CASCADE,
    platform VARCHAR(50) NOT NULL DEFAULT 'ozon',
    violator_url TEXT NOT NULL,
    violator_article VARCHAR(50) NOT NULL,
    my_article VARCHAR(50),
    comment TEXT,
    status VARCHAR(20) DEFAULT 'new',
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);

CREATE TABLE IF NOT EXISTS files (
    id SERIAL PRIMARY KEY,
    case_id INT REFERENCES cases(id) ON DELETE CASCADE,
    file_path TEXT NOT NULL,
    uploaded_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);

CREATE TABLE IF NOT EXISTS audit_log (
    id SERIAL PRIMARY KEY,
    user_id INT REFERENCES users(id) ON DELETE CASCADE,
    action VARCHAR(100) NOT NULL,
    details JSONB,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);

CREATE TABLE IF NOT EXISTS seo_keywords (
    id SERIAL PRIMARY KEY,
    user_id INT REFERENCES users(id) ON DELETE CASCADE,
    keyword VARCHAR(255) NOT NULL,
    article VARCHAR(100) NOT NULL,
    platform VARCHAR(50) NOT NULL,
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);

CREATE TABLE IF NOT EXISTS seo_history (
    id SERIAL PRIMARY KEY,
    keyword_id INT REFERENCES seo_keywords(id) ON DELETE CASCADE,
    position INT,
    checked_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);

CREATE TABLE IF NOT EXISTS reference_images (
    id SERIAL PRIMARY KEY,
    user_id INT REFERENCES users(id) ON DELETE CASCADE,
    file_path TEXT NOT NULL,
    image_hash VARCHAR(64),
    article VARCHAR(100),
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);