import { IpcMainInvokeEvent } from 'electron'
import { createLocalVue } from '@vue/test-utils'
import Vuex from 'vuex'
import Theme from '~/src/constants/theme'
import DisplayStyle from '~/src/constants/displayStyle'
import TimeFormat from '~/src/constants/timeFormat'
import { LightTheme, DarkTheme } from '~/src/constants/themeColor'
import DefaultFonts from '@/utils/fonts'
import Appearance, { AppearanceState } from '@/store/Preferences/Appearance'
import { ipcMain, ipcRenderer } from '~/spec/mock/electron'
import { MyWindow } from '~/src/types/global'
;((window as any) as MyWindow).ipcRenderer = ipcRenderer

const state = (): AppearanceState => {
  return {
    appearance: {
      theme: Theme.Light.key,
      fontSize: 14,
      displayNameStyle: DisplayStyle.DisplayNameAndUsername.value,
      timeFormat: TimeFormat.Absolute.value,
      customThemeColor: LightTheme,
      font: DefaultFonts[0],
      tootPadding: 8
    },
    fonts: []
  }
}

const initStore = () => {
  return {
    namespaced: true,
    state: state(),
    actions: Appearance.actions,
    mutations: Appearance.mutations
  }
}

const App = {
  namespaced: true,
  actions: {
    loadPreferences: jest.fn()
  }
}

describe('Preferences/Appearance', () => {
  let store
  let localVue

  beforeEach(() => {
    localVue = createLocalVue()
    localVue.use(Vuex)
    store = new Vuex.Store({
      modules: {
        Preferences: initStore(),
        App: App
      }
    })
  })

  describe('load', () => {
    describe('loadAppearance', () => {
      beforeEach(() => {
        ipcMain.handle('get-preferences', () => {
          return {
            appearance: {
              theme: Theme.Dark.key,
              fontSize: 15
            }
          }
        })
      })
      afterEach(() => {
        ipcMain.removeHandler('get-preferences')
      })
      it('should be loaded', async () => {
        await store.dispatch('Preferences/loadAppearance')
        expect(store.state.Preferences.appearance.theme).toEqual(Theme.Dark.key)
        expect(store.state.Preferences.appearance.fontSize).toEqual(15)
      })
    })
    describe('loadFonts', () => {
      beforeEach(() => {
        ipcMain.handle('list-fonts', () => {
          return ['my-font']
        })
      })
      afterEach(() => {
        ipcMain.removeHandler('list-fonts')
      })
      it('should be loaded', async () => {
        await store.dispatch('Preferences/loadFonts')
        expect(store.state.Preferences.fonts).toEqual([DefaultFonts[0], 'my-font'])
      })
    })
  })

  describe('update', () => {
    beforeEach(() => {
      ipcMain.handle('update-preferences', (_: IpcMainInvokeEvent, config: any) => {
        return config
      })
    })
    afterEach(() => {
      ipcMain.removeHandler('update-preferences')
    })
    it('updateTheme', async () => {
      await store.dispatch('Preferences/updateTheme', Theme.Dark.key)
      expect(store.state.Preferences.appearance.theme).toEqual(Theme.Dark.key)
      expect(App.actions.loadPreferences).toBeCalled()
    })

    it('updateFontSize', async () => {
      await store.dispatch('Preferences/updateFontSize', 15)
      expect(store.state.Preferences.appearance.fontSize).toEqual(15)
      expect(App.actions.loadPreferences).toBeCalled()
    })

    it('updateDisplayNameStyle', async () => {
      await store.dispatch('Preferences/updateDisplayNameStyle', DisplayStyle.DisplayName.value)
      expect(store.state.Preferences.appearance.displayNameStyle).toEqual(DisplayStyle.DisplayName.value)
      expect(App.actions.loadPreferences).toBeCalled()
    })

    it('updateTimeFormat', async () => {
      await store.dispatch('Preferences/updateTimeFormat', TimeFormat.Relative.value)
      expect(store.state.Preferences.appearance.timeFormat).toEqual(TimeFormat.Relative.value)
      expect(App.actions.loadPreferences).toBeCalled()
    })

    it('updateCustomThemeColor', async () => {
      await store.dispatch('Preferences/updateCustomThemeColor', DarkTheme)
      expect(store.state.Preferences.appearance.customThemeColor).toEqual(DarkTheme)
      expect(App.actions.loadPreferences).toBeCalled()
    })

    it('updateFont', async () => {
      await store.dispatch('Preferences/updateFont', DefaultFonts[1])
      expect(store.state.Preferences.appearance.font).toEqual(DefaultFonts[1])
      expect(App.actions.loadPreferences).toBeCalled()
    })
  })
})