/* eslint-disable */
/**
 * 初始 schema：评估记录 / 工作流状态 / 操作记录 / 盈利分析。
 * 使用 IF NOT EXISTS 以与早期 initSchema 已建表的环境幂等兼容。
 */

exports.up = (pgm) => {
  pgm.sql(`
    CREATE TABLE IF NOT EXISTS assessments (
      id TEXT PRIMARY KEY,
      assessment JSONB NOT NULL,
      report JSONB,
      saved_at TIMESTAMPTZ NOT NULL
    );
    CREATE INDEX IF NOT EXISTS idx_assessments_saved_at ON assessments(saved_at DESC);

    CREATE TABLE IF NOT EXISTS workflow_status (
      assessment_id TEXT PRIMARY KEY,
      status TEXT NOT NULL,
      updated_at TIMESTAMPTZ NOT NULL DEFAULT now()
    );

    CREATE TABLE IF NOT EXISTS audit_logs (
      id BIGSERIAL PRIMARY KEY,
      assessment_id TEXT NOT NULL,
      role TEXT NOT NULL,
      username TEXT NOT NULL,
      action TEXT NOT NULL,
      comment TEXT,
      ts TIMESTAMPTZ NOT NULL
    );
    CREATE INDEX IF NOT EXISTS idx_audit_assessment ON audit_logs(assessment_id);

    CREATE TABLE IF NOT EXISTS profitability (
      assessment_id TEXT PRIMARY KEY,
      result JSONB NOT NULL
    );
  `);
};

exports.down = (pgm) => {
  pgm.sql(`
    DROP TABLE IF EXISTS profitability;
    DROP TABLE IF EXISTS audit_logs;
    DROP TABLE IF EXISTS workflow_status;
    DROP TABLE IF EXISTS assessments;
  `);
};