<script lang="ts" setup>
import { toTypedSchema } from "@vee-validate/zod";
import { useForm } from "vee-validate";
import { toast } from "vue-sonner";
import { z } from "zod";
import {
  createClass,
  getClassListByCourse,
  getCourseDetail,
} from "~/api/course";

definePageMeta({
  requiresAuth: true,
});

const {
  params: { id: courseId },
} = useRoute();

// const loginState = useLoginState();
const course = await getCourseDetail(courseId as string);

const { data: classes, refresh: refreshClasses } = useAsyncData(() =>
  getClassListByCourse(parseInt(courseId as string))
);

const createClassDialogOpen = ref(false);

const createClassSchema = toTypedSchema(
  z.object({
    className: z
      .string()
      .min(2, "班级名称至少2个字符")
      .max(32, "最大长度32个字符"),
    notes: z.string().max(200, "班级介绍最大长度200个字符"),
    courseId: z.number().min(1, "课程ID不能为空"),
  })
);

const createClassForm = useForm({
  validationSchema: createClassSchema,
  initialValues: {
    className: "",
    notes: "",
    courseId: Number(courseId),
  },
});

const onCreateClassSubmit = createClassForm.handleSubmit((values) => {
  toast.promise(createClass(values), {
    loading: "正在创建班级...",
    success: () => {
      createClassForm.resetForm();
      createClassDialogOpen.value = false;
      return "创建班级成功";
    },
    error: () => {
      return "创建班级失败";
    },
    finally: () => {
      refreshClasses();
    },
  });
});

// const onDeleteClass = (classId: number) => {
//   toast.promise(deleteCourseClass(classId), {
//     loading: "正在删除班级...",
//     success: () => {
//       refreshClasses();
//       return "删除班级成功";
//     },
//     error: () => {
//       return "删除班级失败";
//     },
//   });
// };
</script>

<template>
  <div class="flex flex-col gap-4 px-4 py-2">
    <div class="flex justify-between items-start">
      <h1 class="text-xl font-medium">
        课程班级管理
        <span class="block text-sm text-muted-foreground">
          课程负责人：{{ course.data.teacherName || "未知" }}
        </span>
      </h1>
      <div class="flex items-center gap-4">
        <Dialog v-model:open="createClassDialogOpen">
          <DialogTrigger as-child>
            <Button
              variant="secondary"
              size="sm"
              class="flex items-center gap-1"
            >
              <Icon name="tabler:plus" size="16px" />
              <span>创建班级</span>
            </Button>
          </DialogTrigger>
          <DialogContent class="sm:max-w-[425px]">
            <DialogHeader>
              <DialogTitle>创建班级</DialogTitle>
            </DialogHeader>

            <form
              id="create-class-form"
              autocomplete="off"
              class="space-y-2"
              @submit="onCreateClassSubmit"
            >
              <FormField v-slot="{ componentField }" name="className">
                <FormItem v-auto-animate>
                  <FormLabel>班级名称</FormLabel>
                  <FormControl>
                    <Input
                      type="text"
                      placeholder="请输入班级名称"
                      v-bind="componentField"
                    />
                  </FormControl>
                  <FormMessage />
                </FormItem>
              </FormField>
              <FormField v-slot="{ componentField }" name="notes">
                <FormItem v-auto-animate>
                  <FormLabel>班级介绍</FormLabel>
                  <FormControl>
                    <Textarea
                      placeholder="请输入班级介绍"
                      v-bind="componentField"
                    />
                  </FormControl>
                  <FormMessage />
                </FormItem>
              </FormField>
              <input type="hidden" name="courseId" />
            </form>

            <DialogFooter>
              <Button type="submit" form="create-class-form">创建</Button>
            </DialogFooter>
          </DialogContent>
        </Dialog>
      </div>
    </div>

    <div
      v-if="classes?.data && classes.data.length > 0"
      class="grid gap-6 grid-cols-1 sm:grid-cols-2 2xl:grid-cols-4"
    >
      <CourseClassCard
        v-for="classItem in classes.data"
        :key="classItem.classId"
        :class-item="classItem"
      />
    </div>
    <EmptyScreen
      v-else
      title="暂无班级"
      description="课程下没有班级，请创建新的班级"
      icon="fluent-color:people-list-24"
    />
  </div>
</template>

<style scoped></style>