'use strict';

// Raw SQL for the same CockroachDB DO-block/CREATE TYPE reason as
// 20260714000001-create-completion-requirements.js.

module.exports = {
  async up(queryInterface) {
    await queryInterface.sequelize.query(`
      CREATE TABLE completion_requirement_progress (
        progress_id      UUID         PRIMARY KEY,
        requirement_id   UUID         NOT NULL REFERENCES completion_requirements (requirement_id) ON DELETE CASCADE,
        user_id          BIGINT       NOT NULL REFERENCES users (user_id) ON DELETE CASCADE,
        entity_type      STRING       NOT NULL,
        entity_id        BIGINT       NOT NULL,
        progress_percent INTEGER      NULL,
        completed        BOOLEAN      NOT NULL DEFAULT false,
        completed_at     TIMESTAMPTZ  NULL,
        "createdBy"       BIGINT       NULL,
        "updatedBy"       BIGINT       NULL,
        "createdAt"       TIMESTAMPTZ  NOT NULL DEFAULT CURRENT_TIMESTAMP,
        "updatedAt"       TIMESTAMPTZ  NOT NULL DEFAULT CURRENT_TIMESTAMP,
        CONSTRAINT check_crp2_entity_type CHECK (entity_type IN ('course', 'unit', 'lesson')),
        CONSTRAINT uq_crp2_requirement_user UNIQUE (requirement_id, user_id)
      );
    `);

    await queryInterface.sequelize.query(
      `CREATE INDEX idx_crp2_user_id ON completion_requirement_progress (user_id);`
    );
    await queryInterface.sequelize.query(
      `CREATE INDEX idx_crp2_entity_type_entity_id ON completion_requirement_progress (entity_type, entity_id);`
    );
  },

  async down(queryInterface) {
    await queryInterface.sequelize.query(`DROP TABLE IF EXISTS completion_requirement_progress;`);
  },
};