'use strict';

const sinon = require('sinon');
const { beforeAll2, expectsql, sequelize } = require('../../support');
const { DataTypes } = require('@sequelize/core');

describe('QueryInterface#changeColumn', () => {
  if (sequelize.dialect.name === 'sqlite3') {
    return;
  }

  const vars = beforeAll2(() => {
    const User = sequelize.define(
      'users',
      {
        id: {
          type: DataTypes.INTEGER,
          primaryKey: true,
          autoIncrement: true,
        },
        level_id: {
          type: DataTypes.INTEGER,
        },
      },
      { timestamps: false },
    );

    const stub = sinon.stub(sequelize, 'queryRaw').resolvesArg(0);

    return { User, stub };
  });

  beforeEach(() => {
    vars.stub.resetHistory();
  });

  after(() => {
    vars.stub.restore();
  });

  it('properly generate alter queries', async () => {
    const { User } = vars;

    const sql = await sequelize.queryInterface.changeColumn(User.table, 'level_id', {
      type: DataTypes.FLOAT,
      allowNull: false,
    });

    expectsql(sql, {
      ibmi: 'ALTER TABLE "users" ALTER COLUMN "level_id" SET DATA TYPE REAL NOT NULL',
      mssql: 'ALTER TABLE [users] ALTER COLUMN [level_id] REAL NOT NULL;',
      db2: 'ALTER TABLE "users" ALTER COLUMN "level_id" SET DATA TYPE REAL ALTER COLUMN "level_id" SET NOT NULL;',
      mariadb: 'ALTER TABLE `users` CHANGE `level_id` `level_id` FLOAT NOT NULL;',
      mysql: 'ALTER TABLE `users` CHANGE `level_id` `level_id` FLOAT NOT NULL;',
      postgres:
        'ALTER TABLE "users" ALTER COLUMN "level_id" SET NOT NULL;ALTER TABLE "users" ALTER COLUMN "level_id" DROP DEFAULT;ALTER TABLE "users" ALTER COLUMN "level_id" TYPE REAL;',
      snowflake:
        'ALTER TABLE "users" ALTER COLUMN "level_id" SET NOT NULL;ALTER TABLE "users" ALTER COLUMN "level_id" DROP DEFAULT;ALTER TABLE "users" ALTER COLUMN "level_id" TYPE FLOAT;',
    });
  });

  it('properly generate alter queries for foreign keys', async () => {
    const { User } = vars;

    const sql = await sequelize.queryInterface.changeColumn(User.table, 'level_id', {
      type: DataTypes.INTEGER,
      references: {
        table: 'level',
        key: 'id',
      },
      onUpdate: 'cascade',
      onDelete: 'cascade',
    });

    expectsql(sql, {
      ibmi: 'ALTER TABLE "users" ADD CONSTRAINT "level_id" FOREIGN KEY ("level_id") REFERENCES "level" ("id") ON DELETE CASCADE',
      mssql:
        'ALTER TABLE [users] ADD FOREIGN KEY ([level_id]) REFERENCES [level] ([id]) ON DELETE CASCADE;',
      db2: 'ALTER TABLE "users" ADD CONSTRAINT "level_id_foreign_idx" FOREIGN KEY ("level_id") REFERENCES "level" ("id") ON DELETE CASCADE;',
      mariadb:
        'ALTER TABLE `users` ADD FOREIGN KEY (`level_id`) REFERENCES `level` (`id`) ON DELETE CASCADE ON UPDATE CASCADE;',
      mysql:
        'ALTER TABLE `users` ADD FOREIGN KEY (`level_id`) REFERENCES `level` (`id`) ON DELETE CASCADE ON UPDATE CASCADE;',
      postgres:
        'ALTER TABLE "users"  ADD FOREIGN KEY ("level_id") REFERENCES "level" ("id") ON DELETE CASCADE ON UPDATE CASCADE;',
      snowflake:
        'ALTER TABLE "users"  ADD FOREIGN KEY ("level_id") REFERENCES "level" ("id") ON DELETE CASCADE ON UPDATE CASCADE;',
    });
  });
});