import { Applications } from '@logto/schemas';
import { createMockPool, createMockQueryResult, sql } from 'slonik';
import { snakeCase } from 'snake-case';

import {
  convertToIdentifiers,
  convertToPrimitiveOrSql,
  excludeAutoSetFields,
} from '@/database/utils';
import { DeletionError } from '@/errors/SlonikError';
import { mockApplication } from '@/utils/mock';
import { expectSqlAssert, QueryType } from '@/utils/test-utils';

import {
  findTotalNumberOfApplications,
  findAllApplications,
  findApplicationById,
  insertApplication,
  updateApplicationById,
  deleteApplicationById,
} from './application';

const mockQuery: jest.MockedFunction<QueryType> = jest.fn();

jest.mock('@/database/pool', () =>
  createMockPool({
    query: async (sql, values) => {
      return mockQuery(sql, values);
    },
  })
);

describe('application query', () => {
  const { table, fields } = convertToIdentifiers(Applications);

  it('findTotalNumberOfApplications', async () => {
    const expectSql = sql`
      select count(*)
      from ${table}
    `;

    mockQuery.mockImplementationOnce(async (sql, values) => {
      expectSqlAssert(sql, expectSql.sql);
      expect(values).toEqual(expectSql.values);

      return createMockQueryResult([{ count: 10 }]);
    });

    await expect(findTotalNumberOfApplications()).resolves.toEqual({ count: 10 });
  });

  it('findAllApplications', async () => {
    const limit = 10;
    const offset = 1;
    const rowData = { id: 'foo' };

    const expectSql = sql`
      select ${sql.join(Object.values(fields), sql`, `)}
      from ${table}
      order by "created_at" desc
      limit $1
      offset $2
    `;

    mockQuery.mockImplementationOnce(async (sql, values) => {
      expectSqlAssert(sql, expectSql.sql);
      expect(values).toEqual([limit, offset]);

      return createMockQueryResult([rowData]);
    });

    await expect(findAllApplications(limit, offset)).resolves.toEqual([rowData]);
  });

  it('findApplicationById', async () => {
    const id = 'foo';
    const rowData = { id };

    const expectSql = sql`
      select ${sql.join(Object.values(fields), sql`, `)}
      from ${table}
      where ${fields.id}=$1
    `;

    mockQuery.mockImplementationOnce(async (sql, values) => {
      expectSqlAssert(sql, expectSql.sql);
      expect(values).toEqual([id]);

      return createMockQueryResult([rowData]);
    });

    await findApplicationById(id);
  });

  it('insertApplication', async () => {
    const keys = excludeAutoSetFields(Applications.fieldKeys);

    const expectSql = `
      insert into "applications" (${keys.map((k) => `"${snakeCase(k)}"`).join(', ')})
      values (${keys.map((_, index) => `$${index + 1}`).join(', ')})
      returning *
    `;

    mockQuery.mockImplementationOnce(async (sql, values) => {
      const rowData = { id: 'foo' };
      expectSqlAssert(sql, expectSql);

      expect(values).toEqual(keys.map((k) => convertToPrimitiveOrSql(k, mockApplication[k])));

      return createMockQueryResult([rowData]);
    });

    await insertApplication(mockApplication);
  });

  it('updateApplicationById', async () => {
    const id = 'foo';
    const description = 'des';

    const expectSql = sql`
      update ${table}
      set ${fields.description}=$1
      where ${fields.id}=$2
      returning *
    `;

    mockQuery.mockImplementationOnce(async (sql, values) => {
      expectSqlAssert(sql, expectSql.sql);
      expect(values).toEqual([description, id]);

      return createMockQueryResult([{ id, description }]);
    });

    await updateApplicationById(id, { description });
  });

  it('deleteApplicationById', async () => {
    const id = 'foo';
    const expectSql = sql`
      delete from ${table}
      where ${fields.id}=$1
    `;

    mockQuery.mockImplementationOnce(async (sql, values) => {
      expectSqlAssert(sql, expectSql.sql);
      expect(values).toEqual([id]);

      return createMockQueryResult([{ id }]);
    });

    await deleteApplicationById(id);
  });

  it('deleteApplicationById throw error if return row count is 0', async () => {
    const id = 'foo';

    mockQuery.mockImplementationOnce(async () => {
      return createMockQueryResult([]);
    });

    await expect(deleteApplicationById(id)).rejects.toMatchError(
      new DeletionError(Applications.table, id)
    );
  });
});