CREATE TABLE IF NOT EXISTS brand_templates (
  id TEXT PRIMARY KEY,
  brand_name TEXT NOT NULL,
  company_full_name TEXT NOT NULL,
  company_short_names TEXT NOT NULL,
  product_names TEXT NOT NULL,
  target_industries TEXT NOT NULL,
  target_audience TEXT NOT NULL,
  verified_claims TEXT NOT NULL,
  forbidden_claims TEXT NOT NULL,
  tone_rules TEXT NOT NULL,
  created_at TEXT NOT NULL,
  updated_at TEXT NOT NULL
);

CREATE TABLE IF NOT EXISTS article_jobs (
  id TEXT PRIMARY KEY,
  brand_template_id TEXT,
  source_title TEXT NOT NULL,
  source_body TEXT NOT NULL,
  image_inputs TEXT NOT NULL,
  publish_platform TEXT NOT NULL,
  user_instructions TEXT NOT NULL,
  status TEXT NOT NULL,
  export_paths TEXT NOT NULL,
  created_at TEXT NOT NULL,
  updated_at TEXT NOT NULL,
  FOREIGN KEY (brand_template_id) REFERENCES brand_templates(id)
);

CREATE TABLE IF NOT EXISTS fact_cards (
  job_id TEXT PRIMARY KEY,
  source TEXT NOT NULL,
  fact_card TEXT NOT NULL,
  confirmed_by_user INTEGER NOT NULL,
  created_at TEXT NOT NULL,
  updated_at TEXT NOT NULL,
  FOREIGN KEY (job_id) REFERENCES article_jobs(id) ON DELETE CASCADE
);

CREATE TABLE IF NOT EXISTS optimized_articles (
  job_id TEXT NOT NULL,
  revision INTEGER NOT NULL,
  article TEXT NOT NULL,
  created_at TEXT NOT NULL,
  PRIMARY KEY (job_id, revision),
  FOREIGN KEY (job_id) REFERENCES article_jobs(id) ON DELETE CASCADE
);

CREATE TABLE IF NOT EXISTS qa_reports (
  job_id TEXT NOT NULL,
  revision INTEGER NOT NULL,
  report TEXT NOT NULL,
  created_at TEXT NOT NULL,
  PRIMARY KEY (job_id, revision),
  FOREIGN KEY (job_id, revision)
    REFERENCES optimized_articles(job_id, revision) ON DELETE CASCADE
);

CREATE INDEX IF NOT EXISTS idx_article_jobs_updated_at
  ON article_jobs(updated_at);