import { ThemeInstance } from "vuetify"

export const useThemeStore = defineStore(
  "theme",
  () => {
    const dark: Ref<any> = ref(false)

    /**
     * Restore previous dark theme preferences
     *
     * @param theme
     */
    function restorePreviousState(theme: ThemeInstance) {
      theme.global.name.value = !dark.value ? "light" : "dark"
    }

    /**
     * Toggle dark theme
     *
     * @param theme
     */
    function toggleDarkTheme(theme: ThemeInstance) {
      theme.global.name.value =
        theme.global.name.value === "dark" ? "light" : "dark"
      dark.value = theme.global.name.value === "dark"
    }

    return {
      dark,
      toggleDarkTheme,
      restorePreviousState,
    }
  },
  {
    persist: true,
  },
)