banu-front/src/features/admin/courses/pages/CourseTemplateFormPage.vue

<template>
  <div class="course-form">
    <BoxedIconTitleBlock
      class="course-form__heading"
      :title="isEditMode ? 'ویرایش دوره الگو' : 'افزودن دوره الگوی جدید'"
      :desc="
        isEditMode
          ? 'اطلاعات دوره الگو را به‌روز کنید'
          : 'در این قسمت می‌توانید دوره الگوی جدید اضافه کنید'
      "
    >
      <template #icon>
        <SvgIcon name="book" :size="24" color="var(--color-primary)" />
      </template>
    </BoxedIconTitleBlock>

    <form class="course-form__form" @submit.prevent="onSubmit">
      <div class="course-form__grid">
        <div class="course-form__image-col">
          <ImageCropper
            v-model="image"
            name="image"
            bg-color="#eeeeee"
            @crop="onImageCropped"
            @error="onImageError"
          />
        </div>

        <div class="course-form__main-col">
          <LineTitleBlock title="اطلاعات دوره" title-en="Course Details" />
          <div class="course-form__row">
            <div class="course-form__cell course-form__cell--third">
              <TextField
                v-model="form.title"
                name="title"
                label="عنوان دوره"
                :error="errors.title"
                @blur="validateAt('title', form.title)"
              >
                <template #appendIcon>
                  <SvgIcon name="book" :size="20" color="var(--color-thd-gray)" />
                </template>
              </TextField>
            </div>
            <div class="course-form__cell course-form__cell--third">
              <SelectField
                v-model="form.defaultTeacherId"
                name="defaultTeacherId"
                label="استاد"
                :options="teacherOptions"
                option-label="label"
                option-value="id"
                :searchable="true"
                :on-search="searchTeachers"
                :error="errors.defaultTeacherId"
              />
            </div>
            <div class="course-form__cell course-form__cell--third">
              <SelectField
                v-model="form.prerequisites"
                name="prerequisites"
                label="دوره‌های پیش‌نیاز"
                :options="prerequisiteOptions"
                option-label="title"
                option-value="id"
                :multiple="true"
                :searchable="true"
                :on-search="searchPrerequisites"
              />
            </div>
            <div class="course-form__cell course-form__cell--third">
              <TextField
                v-model="form.defaultCapacity"
                name="defaultCapacity"
                label="ظرفیت (نفر)"
                inputmode="numeric"
                :convert-digits="true"
                :error="errors.defaultCapacity"
                @blur="validateAt('defaultCapacity', form.defaultCapacity)"
              />
            </div>
            <div class="course-form__cell course-form__cell--third course-form__toggle-cell">
              <ToggleSwitch v-model="form.isActiveByDefault" label="دوره فعال باشد" />
            </div>
            <div class="course-form__cell course-form__cell--full">
              <TextareaField
                v-model="form.description"
                name="description"
                label="توضیحات"
                :row="5"
              />
            </div>
          </div>
        </div>
      </div>

      <div class="course-form__divider" />

      <div class="course-form__actions">
        <BaseButton
          variant="transparent"
          text="منصرف شدم"
          custom-class="course-form__btn-cancel"
          @click="onCancel"
        >
          <template #prependIcon>
            <SvgIcon name="caret-right" :size="14" color="var(--color-sec-gray)" />
          </template>
        </BaseButton>
        <BaseButton
          type="submit"
          :text="isEditMode ? 'ذخیره تغییرات' : 'تایید اطلاعات'"
          :loading="submitting"
          custom-class="course-form__btn-submit"
        >
          <template #appendIcon>
            <SvgIcon name="arrow-left" :size="20" color="#fff" />
          </template>
        </BaseButton>
      </div>
    </form>
  </div>
</template>

<script setup>
import { computed, ref, watch } from 'vue'
import { useRoute, useRouter } from 'vue-router'
import { toast } from 'vue3-toastify'
import { useQueryClient } from '@tanstack/vue-query'
import BoxedIconTitleBlock from '@/components/blocks/BoxedIconTitleBlock.vue'
import LineTitleBlock from '@/components/LineTitleBlock.vue'
import BaseButton from '@/components/BaseButton.vue'
import TextField from '@/components/form/TextField.vue'
import TextareaField from '@/components/form/TextareaField.vue'
import SelectField from '@/components/form/SelectField.vue'
import ToggleSwitch from '@/components/form/ToggleSwitch.vue'
import ImageCropper from '@/components/form/ImageCropper.vue'
import SvgIcon from '@/components/icons/SvgIcon.vue'
import useYup from '@/composables/useYup'
import useDebounce from '@/composables/useDebounce'
import {
  adminCourseTemplatesKeys,
  useAddAdminCourseTemplateMutation,
  useAdminCourseTemplateQuery,
  useAdminCourseTemplatesListQuery,
  useUpdateAdminCourseTemplateMutation,
} from '@/services/query/admin-course-templates'
import { useUploadTemporaryMutation } from '@/services/query/auth'
import { useAdminUsersListQuery } from '@/services/query/admin-users'
import { courseTemplateSchema } from '@/features/admin/courses/schema'
import { objectToFormData } from '@/utils/object-to-formdata'

const route = useRoute()
const router = useRouter()
const queryClient = useQueryClient()

const courseId = computed(() => (route.params.id ? Number(route.params.id) : null))
const isEditMode = computed(() => !!courseId.value)

const form = ref({
  title: '',
  defaultTeacherId: '',
  prerequisites: [],
  defaultCapacity: '',
  description: '',
  imageId: null,
  isActiveByDefault: false,
})

const image = ref(null)

const schema = courseTemplateSchema

const { validate, validateAt, errors } = useYup(schema)

const teacherSearch = ref('')
const teacherFilters = computed(() => ({ name: teacherSearch.value }))
const teacherPagination = ref({ page: 1, perPage: 30 })
const { data: teachersResponse } = useAdminUsersListQuery(teacherFilters, teacherPagination)
const selectedTeacher = ref(null)
const teacherOptions = computed(() => {
  const base = teachersResponse.value?.data ?? []
  const merged =
    selectedTeacher.value && !base.some((t) => t.id === selectedTeacher.value.id)
      ? [...base, selectedTeacher.value]
      : base
  return merged.map((t) => ({
    ...t,
    label: `${t.firstName || ''} ${t.lastName || ''}`.trim() || t.fullName || '—',
  }))
})

const prereqSearch = ref('')
const prereqFilters = computed(() => ({ title: prereqSearch.value }))
const prereqPagination = ref({ page: 1, perPage: 30 })
const { data: prereqsResponse } = useAdminCourseTemplatesListQuery(prereqFilters, prereqPagination)
const selectedPrereqs = ref([])
const prerequisiteOptions = computed(() => {
  const base = prereqsResponse.value?.data ?? []
  const extras = selectedPrereqs.value.filter((p) => !base.some((b) => b.id === p.id))
  return [...base, ...extras]
})

const searchTeachers = useDebounce((q) => {
  teacherSearch.value = q || ''
}, 400)
const searchPrerequisites = useDebounce((q) => {
  prereqSearch.value = q || ''
}, 400)

const { data: existingCourse } = useAdminCourseTemplateQuery(courseId, {
  enabled: () => !!courseId.value,
})

watch(existingCourse, (course) => {
  if (!course) return
  const teacher = course.defaultTeacher || course.teacher
  if (teacher) selectedTeacher.value = teacher
  const prereqs = Array.isArray(course.prerequisites) ? course.prerequisites : []
  selectedPrereqs.value = prereqs.map((p) => p.course || p).filter((c) => c?.id)

  form.value = {
    title: course.title || '',
    defaultTeacherId: teacher?.id || course.defaultTeacherId || '',
    prerequisites: prereqs.map((p) => p.courseId ?? p.id).filter(Boolean),
    defaultCapacity: course.defaultCapacity ?? course.capacity ?? '',
    description: course.description || '',
    imageId: course.imageId || null,
    isActiveByDefault: course.isActiveByDefault ?? course.isActive ?? false,
  }
  if (course.image) image.value = { url: course.image }
})

const uploadMutation = useUploadTemporaryMutation()

const onImageCropped = async (file) => {
  try {
    const formData = objectToFormData({ file, subType: 'avatar', context: 'course' })
    const response = await uploadMutation.mutateAsync(formData)
    const payload = response?.data ?? response
    image.value = { url: payload?.url, uploadId: payload?.uploadId, ...payload }
    form.value.imageId = payload?.uploadId || payload?.id
  } catch {
    /* handled globally */
  }
}

const onImageError = (msg) => toast.error(msg)

const addMutation = useAddAdminCourseTemplateMutation()
const updateMutation = useUpdateAdminCourseTemplateMutation()

const submitting = computed(() => addMutation.isPending.value || updateMutation.isPending.value)

const onSubmit = async () => {
  const { isValid, payload } = await validate(form.value)
  if (!isValid) return
  if (isEditMode.value) {
    await updateMutation.mutateAsync({ id: courseId.value, payload })
  } else {
    await addMutation.mutateAsync(payload)
  }
  await queryClient.invalidateQueries({ queryKey: adminCourseTemplatesKeys.all })
  router.push({ name: 'admin-courses' })
}

const onCancel = () => router.push({ name: 'admin-courses' })
</script>

<style lang="scss" scoped>
.course-form {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;

  &__heading {
    margin-bottom: 0.75rem;
  }

  &__form {
    background: rgba(255, 255, 255, 60%);
    padding: 1rem;
    border-radius: 1rem;
  }

  &__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;

    @media (min-width: 1024px) {
      grid-template-columns: 4fr 8fr;
    }

    @media (min-width: 1280px) {
      grid-template-columns: 3fr 9fr;
    }
  }

  &__image-col {
    order: 2;

    @media (min-width: 1024px) {
      order: 1;
      padding: 0.5rem;
    }
  }

  &__main-col {
    order: 1;

    @media (min-width: 1024px) {
      order: 2;
      padding-inline-start: 1.25rem;
    }
  }

  &__row {
    display: flex;
    flex-flow: column wrap;
    gap: 0.5rem;
    align-items: stretch;
    margin-bottom: 0.5rem;

    @media (min-width: 768px) {
      flex-direction: row;
    }
  }

  &__cell {
    width: 100%;

    &--third {
      @media (min-width: 768px) {
        width: 49%;
      }

      @media (min-width: 1280px) {
        width: 32.3%;
      }
    }

    &--full {
      width: 100%;
    }
  }

  &__toggle-cell {
    display: flex;
    align-items: center;
  }

  &__divider {
    border-block-end: 1px solid var(--color-thd-gray);
    margin-block: 1.5rem;
  }

  &__actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.625rem;
  }

  &__btn-cancel {
    min-width: 9rem;
  }

  &__btn-submit {
    min-width: 12rem;
  }
}
</style>