<script setup lang="ts">
import DueDatesShortList from "@/components/dueDates/DueDatesShortList.vue";
import LearningPathListView from "@/pages/learningPath/learningPathPage/LearningPathListView.vue";
import LearningPathPathView from "@/pages/learningPath/learningPathPage/LearningPathPathView.vue";
import CircleProgress from "@/pages/learningPath/learningPathPage/LearningPathProgress.vue";
import LearningPathTopics from "@/pages/learningPath/learningPathPage/LearningPathTopics.vue";
import type { ViewType } from "@/pages/learningPath/learningPathPage/LearningPathViewSwitch.vue";
import LearningPathViewSwitch from "@/pages/learningPath/learningPathPage/LearningPathViewSwitch.vue";
import { useLearningPathStore } from "@/stores/learningPath";
import { useUserStore } from "@/stores/user";
import { breakpointsTailwind, useBreakpoints } from "@vueuse/core";
import * as log from "loglevel";
import { computed, onMounted, ref } from "vue";

const props = defineProps<{
  courseSlug: string;
}>();

const breakpoints = useBreakpoints(breakpointsTailwind);
const learningPathStore = useLearningPathStore();
const userStore = useUserStore();

// Layout state
const useMobileLayout = breakpoints.smaller("sm");
const selectedView = ref<ViewType>(
  (window.localStorage.getItem("learningPathView") as ViewType) || "path"
);

onMounted(async () => {
  log.debug("LearningPathPage mounted");

  try {
    await learningPathStore.loadLearningPath(props.courseSlug + "-lp");
  } catch (error) {
    log.error(error);
  }
});

const learningPath = computed(() => {
  if (userStore.loggedIn && learningPathStore.state.learningPaths.size > 0) {
    const learningPathKey = `${props.courseSlug}-lp-${userStore.id}`;
    return learningPathStore.state.learningPaths.get(learningPathKey);
  }
  return undefined;
});

const circlesCount = computed(() => {
  if (learningPath.value) {
    return learningPath.value.circles.length;
  }
  return 0;
});

const inProgressCirclesCount = computed(() => {
  if (learningPath.value) {
    return learningPath.value.circles.filter(
      (circle) =>
        circle.learningSequences.filter((ls) =>
          circle.someFinishedInLearningSequence(ls.translation_key)
        ).length
    ).length;
  }
  return 0;
});

const changeViewType = (viewType: ViewType) => {
  selectedView.value = viewType;
  window.localStorage.setItem("learningPathView", viewType);
};
</script>

<template>
  <div class="flex flex-col">
    <!-- Top -->
    <div class="flex flex-row justify-between space-x-8 bg-gray-200 p-6 sm:p-12">
      <!-- Left -->
      <div class="flex w-1/2 flex-col justify-between">
        <div>
          <p class="font-bold">
            {{ $t("learningPathPage.welcomeBack") }}
          </p>
          <h2 data-cy="learning-path-title">
            {{ learningPath?.title }}
          </h2>
        </div>

        <CircleProgress
          :all-count="circlesCount"
          :in-progress-count="inProgressCirclesCount"
        ></CircleProgress>
      </div>

      <!-- Right -->
      <div v-if="!useMobileLayout" class="flex-grow">
        <div class="text-bold pb-3">
          {{ $t("learningPathPage.nextDueDates") }}
        </div>
        <DueDatesShortList :max-count="2" :show-top-border="true"></DueDatesShortList>
      </div>
    </div>

    <!-- Bottom -->
    <div class="bg-white">
      <div class="flex flex-col justify-between px-6 sm:flex-row sm:px-12">
        <!-- Topics -->
        <div
          v-if="selectedView == 'path'"
          class="order-2 pb-8 sm:order-1 sm:pb-0 sm:pt-4"
        >
          <LearningPathTopics :topics="learningPath?.topics ?? []"></LearningPathTopics>
        </div>
        <div v-else class="flex-grow"></div>

        <!-- View switch -->
        <LearningPathViewSwitch
          class="order-1 py-8 sm:order-2 sm:py-0 sm:pt-4"
          :initial-view="selectedView"
          @select-view="changeViewType($event)"
        ></LearningPathViewSwitch>
      </div>

      <!-- Path view -->
      <div v-if="selectedView == 'path'" class="flex flex-col" data-cy="lp-path-view">
        <LearningPathPathView
          :learning-path="learningPath"
          :use-mobile-layout="useMobileLayout"
        ></LearningPathPathView>
      </div>

      <!-- List view -->
      <div
        v-if="selectedView == 'list'"
        class="flex flex-col pl-6 sm:pl-24"
        data-cy="lp-list-view"
      >
        <LearningPathListView :learning-path="learningPath"></LearningPathListView>
      </div>
      <div
        v-if="useMobileLayout"
        class="p-6"
        :class="useMobileLayout ? 'bg-gray-200' : ''"
      >
        <!--<LearningPathAppointmentsMock></LearningPathAppointmentsMock>-->
      </div>
    </div>
  </div>
</template>
