CREATE TABLE IF NOT EXISTS optimization_cases (
  id TEXT PRIMARY KEY,
  case_type TEXT NOT NULL,
  title TEXT NOT NULL,
  summary TEXT NOT NULL,
  status TEXT NOT NULL,
  customer_name TEXT NOT NULL DEFAULT '',
  brand_name TEXT NOT NULL DEFAULT '',
  project_tags TEXT NOT NULL DEFAULT '[]',
  notes TEXT NOT NULL DEFAULT '',
  publish_target TEXT NOT NULL DEFAULT '',
  source_excerpt TEXT NOT NULL DEFAULT '',
  result_excerpt TEXT NOT NULL DEFAULT '',
  latest_result_version_id TEXT,
  latest_version_number INTEGER,
  last_error_stage TEXT,
  last_error_summary TEXT,
  archived_at TEXT,
  created_at TEXT NOT NULL,
  updated_at TEXT NOT NULL
);

CREATE TABLE IF NOT EXISTS case_inputs (
  case_id TEXT PRIMARY KEY,
  case_type TEXT NOT NULL,
  article_job_id TEXT,
  payload TEXT NOT NULL,
  created_at TEXT NOT NULL,
  updated_at TEXT NOT NULL,
  FOREIGN KEY (case_id) REFERENCES optimization_cases(id) ON DELETE CASCADE,
  FOREIGN KEY (article_job_id) REFERENCES article_jobs(id) ON DELETE SET NULL
);

CREATE TABLE IF NOT EXISTS optimization_result_versions (
  id TEXT PRIMARY KEY,
  case_id TEXT NOT NULL,
  case_type TEXT NOT NULL,
  version INTEGER NOT NULL,
  status TEXT NOT NULL,
  article_job_id TEXT,
  article_revision INTEGER,
  result_summary TEXT NOT NULL,
  payload TEXT NOT NULL,
  process_summary TEXT NOT NULL,
  llm_audit_summary TEXT NOT NULL,
  error_stage TEXT,
  error_summary TEXT,
  created_at TEXT NOT NULL,
  UNIQUE (case_id, version),
  FOREIGN KEY (case_id) REFERENCES optimization_cases(id) ON DELETE CASCADE,
  FOREIGN KEY (article_job_id) REFERENCES article_jobs(id) ON DELETE SET NULL
);

CREATE INDEX IF NOT EXISTS idx_optimization_cases_updated_at
  ON optimization_cases(updated_at);

CREATE INDEX IF NOT EXISTS idx_optimization_cases_case_type
  ON optimization_cases(case_type);

CREATE INDEX IF NOT EXISTS idx_optimization_cases_status
  ON optimization_cases(status);

CREATE INDEX IF NOT EXISTS idx_optimization_result_versions_case
  ON optimization_result_versions(case_id, version DESC);

ALTER TABLE article_jobs ADD COLUMN case_id TEXT;

CREATE TABLE IF NOT EXISTS publication_records_next (
  id TEXT PRIMARY KEY,
  result_version_id TEXT,
  job_id TEXT,
  revision INTEGER,
  publish_target TEXT NOT NULL,
  url TEXT NOT NULL,
  published_at TEXT NOT NULL,
  status TEXT NOT NULL,
  notes TEXT NOT NULL,
  created_at TEXT NOT NULL,
  updated_at TEXT NOT NULL,
  FOREIGN KEY (result_version_id)
    REFERENCES optimization_result_versions(id) ON DELETE CASCADE
);

INSERT INTO publication_records_next (
  id, result_version_id, job_id, revision, publish_target, url,
  published_at, status, notes, created_at, updated_at
)
SELECT
  id, NULL, job_id, revision, platform, url,
  published_at, status, notes, created_at, updated_at
FROM publication_records;

DROP TABLE publication_records;
ALTER TABLE publication_records_next RENAME TO publication_records;

CREATE INDEX IF NOT EXISTS idx_publication_records_result_version
  ON publication_records(result_version_id);

CREATE INDEX IF NOT EXISTS idx_publication_records_job_revision
  ON publication_records(job_id, revision);

ALTER TABLE scoring_runs ADD COLUMN result_version_id TEXT;
ALTER TABLE scoring_runs ADD COLUMN case_type TEXT NOT NULL DEFAULT 'article';

CREATE INDEX IF NOT EXISTS idx_scoring_runs_result_version
  ON scoring_runs(result_version_id);