import { expect } from 'chai'
import Liquid from '../../../src/liquid'

describe('drop/drop', function () {
  let liquid: Liquid
  before(() => (liquid = new Liquid()))

  class CustomDrop extends Liquid.Types.Drop {
    name: string = 'NAME'
    getName () {
      return 'GET NAME'
    }
  }
  class CustomDropWithMethodMissing extends CustomDrop {
    liquidMethodMissing (key: string) {
      return key.toUpperCase()
    }
  }
  class PromiseDrop extends Liquid.Types.Drop {
    name = Promise.resolve('NAME')
    async getName () {
      return 'GET NAME'
    }
    async liquidMethodMissing (key: string) {
      return key.toUpperCase()
    }
  }
  it('should call corresponding method', async function () {
    const html = await liquid.parseAndRender(`{{obj.getName}}`, { obj: new CustomDrop() })
    expect(html).to.equal('GET NAME')
  })
  it('should read corresponding property', async function () {
    const html = await liquid.parseAndRender(`{{obj.name}}`, { obj: new CustomDrop() })
    expect(html).to.equal('NAME')
  })
  it('should output empty string if not exist', async function () {
    const html = await liquid.parseAndRender(`{{obj.foo}}`, { obj: new CustomDrop() })
    expect(html).to.equal('')
  })
  it('should respect liquidMethodMissing', async function () {
    const html = await liquid.parseAndRender(`{{obj.foo}}`, { obj: new CustomDropWithMethodMissing() })
    expect(html).to.equal('FOO')
  })
  it('should call corresponding promise method', async function () {
    const html = await liquid.parseAndRender(`{{obj.getName}}`, { obj: new PromiseDrop() })
    expect(html).to.equal('GET NAME')
  })
  it('should read corresponding promise property', async function () {
    const html = await liquid.parseAndRender(`{{obj.name}}`, { obj: new PromiseDrop() })
    expect(html).to.equal('NAME')
  })
  it('should support promise returned by liquidMethodMissing', async function () {
    const html = await liquid.parseAndRender(`{{obj.foo}}`, { obj: new PromiseDrop() })
    expect(html).to.equal('FOO')
  })
})