import { QueryRunner } from 'typeorm';
import { CreateRenownAndReputation1791000000000 } from './1791000000000-CreateRenownAndReputation';

describe('CreateRenownAndReputation1791000000000', () => {
  async function runUp() {
    const query = jest.fn().mockResolvedValue(undefined);
    const queryRunner = { query } as unknown as QueryRunner;
    const migration = new CreateRenownAndReputation1791000000000();
    await migration.up(queryRunner);
    return query.mock.calls.map(([sql]) => sql as string);
  }

  async function runUpThenDown() {
    const query = jest.fn().mockResolvedValue(undefined);
    const queryRunner = { query } as unknown as QueryRunner;
    const migration = new CreateRenownAndReputation1791000000000();
    await migration.up(queryRunner);
    const upCount = query.mock.calls.length;
    await migration.down(queryRunner);
    return query.mock.calls.slice(upCount).map(([sql]) => sql as string);
  }

  it('replaces level/experience with a renown column on characters', async () => {
    const up = await runUp();

    expect(up).toEqual(
      expect.arrayContaining([
        expect.stringContaining('ALTER TABLE "characters" ADD COLUMN "renown"'),
        expect.stringContaining('DROP COLUMN "level"'),
        expect.stringContaining('DROP COLUMN "experience"'),
      ]),
    );
  });

  it('clamps existing level into the 1-15 Renown range before dropping it', async () => {
    const up = await runUp();

    expect(up).toEqual(
      expect.arrayContaining([expect.stringContaining('LEAST(GREATEST("level", 1), 15)')]),
    );
  });

  it('enforces the renown range at the database level', async () => {
    const up = await runUp();

    expect(up).toEqual(
      expect.arrayContaining([
        expect.stringContaining('CHK_characters_renown'),
      ]),
    );
  });

  it('drops required_level from item_definitions', async () => {
    const up = await runUp();

    expect(up).toEqual(
      expect.arrayContaining([
        expect.stringContaining('ALTER TABLE "item_definitions" DROP COLUMN "required_level"'),
      ]),
    );
  });

  it('rebuilds item_type_enum with exactly the five Slice 0.6.5 values, migrating existing rows', async () => {
    const up = await runUp();

    expect(up).toEqual(
      expect.arrayContaining([
        expect.stringContaining(`SET "type" = 'EQUIPMENT' WHERE "type" IN ('WEAPON', 'ARMOR')`),
        expect.stringContaining(`SET "type" = 'TRADE_GOOD' WHERE "type" = 'MATERIAL'`),
        expect.stringContaining('DROP TYPE "item_type_enum"'),
        expect.stringContaining(
          `CREATE TYPE "item_type_enum" AS ENUM ('EQUIPMENT', 'TRADE_GOOD', 'TROPHY', 'QUEST_ITEM', 'CONSUMABLE')`,
        ),
      ]),
    );
  });

  it('drops experience_granted from combat_rewards', async () => {
    const up = await runUp();

    expect(up).toEqual(
      expect.arrayContaining([
        expect.stringContaining('ALTER TABLE "combat_rewards" DROP COLUMN "experience_granted"'),
      ]),
    );
  });

  it('creates all five new tables with their unique constraints', async () => {
    const up = await runUp();

    expect(up).toEqual(
      expect.arrayContaining([
        expect.stringContaining('CREATE TABLE "reputation_factions"'),
        expect.stringContaining('CREATE UNIQUE INDEX "IDX_reputation_factions_key"'),
        expect.stringContaining('CREATE TABLE "character_reputation"'),
        expect.stringContaining(
          'CREATE UNIQUE INDEX "IDX_character_reputation_character_faction" ON "character_reputation" ("character_id", "faction_id")',
        ),
        expect.stringContaining('CREATE TABLE "renown_milestone_definitions"'),
        expect.stringContaining('CREATE UNIQUE INDEX "IDX_renown_milestone_definitions_key"'),
        expect.stringContaining('CREATE TABLE "character_renown_milestones"'),
        expect.stringContaining(
          'CREATE UNIQUE INDEX "IDX_character_renown_milestones_character_milestone" ON "character_renown_milestones" ("character_id", "milestone_id")',
        ),
        expect.stringContaining('CREATE TABLE "turn_in_definitions"'),
        expect.stringContaining('CREATE UNIQUE INDEX "IDX_turn_in_definitions_key"'),
      ]),
    );
  });

  it('down() reverses every up() step in exact opposite order, dropping the five new tables first', async () => {
    const down = await runUpThenDown();

    expect(down).toEqual(
      expect.arrayContaining([
        expect.stringContaining('DROP TABLE "turn_in_definitions"'),
        expect.stringContaining('DROP TABLE "character_renown_milestones"'),
        expect.stringContaining('DROP TABLE "renown_milestone_definitions"'),
        expect.stringContaining('DROP TABLE "character_reputation"'),
        expect.stringContaining('DROP TABLE "reputation_factions"'),
        expect.stringContaining('ALTER TABLE "combat_rewards" ADD COLUMN "experience_granted"'),
        expect.stringContaining('ALTER TABLE "item_definitions" ADD COLUMN "required_level"'),
        expect.stringContaining('ALTER TABLE "characters" ADD COLUMN "level"'),
        expect.stringContaining('ALTER TABLE "characters" ADD COLUMN "experience"'),
        expect.stringContaining('ALTER TABLE "characters" DROP COLUMN "renown"'),
      ]),
    );
    // The dropped turn_in_definitions table must be the very first statement
    // in down() -- it's the last thing up() created, and it has FK
    // dependencies on reputation_factions/item_definitions that must be
    // gone before those tables can be touched.
    expect(down[0]).toContain('DROP TABLE "turn_in_definitions"');
  });
});