<template>
  <AppDrawer v-model="drawerOpen" :title="`Commentaire — ${formatWeekRange}`">
    <form class="space-y-4" @submit.prevent="onSave">
      <div v-if="employeeLabel" class="text-md font-semibold text-neutral-700">{{ employeeLabel }}</div>
      <div>
        <label class="text-md font-semibold text-neutral-700" for="week-comment-content">Commentaire</label>
        <textarea id="week-comment-content" v-model="content" rows="8" maxlength="5000" class="mt-2 w-full rounded-md border border-neutral-300 bg-white px-3 py-2 text-base text-neutral-900 focus:border-primary-500 focus:outline-none focus:ring-2 focus:ring-secondary-500/20" placeholder="Ex. Arrêt maladie lundi, reprise jeudi..." />
        <p class="mt-1 text-xs text-neutral-400">{{ content.length }} / 5000</p>
      </div>
      <div class="sticky bottom-0 -mx-[20px] bg-white px-[20px] py-3 flex justify-between gap-3">
        <button v-if="commentId" type="button" class="rounded-lg bg-red-500 px-4 py-2 text-md font-semibold text-white hover:bg-red-600 disabled:opacity-50" :disabled="isSubmitting" @click="onDelete">Supprimer</button>
        <div class="flex gap-3 ml-auto">
          <button type="button" class="rounded-lg border border-neutral-200 px-4 py-2 text-md font-semibold text-neutral-700 hover:bg-neutral-100" @click="drawerOpen = false">Annuler</button>
          <button type="submit" class="rounded-lg bg-primary-500 px-4 py-2 text-md font-semibold text-white hover:bg-secondary-500 disabled:opacity-50" :disabled="isSubmitting || !canSubmit">Enregistrer</button>
        </div>
      </div>
    </form>
  </AppDrawer>
</template>

<script setup lang="ts">
import { computed, ref, watch } from 'vue'
import AppDrawer from '~/components/AppDrawer.vue'
import { createWeekComment, deleteWeekComment, updateWeekComment } from '~/services/employee-week-comments'

const props = defineProps<{
  modelValue: boolean
  employeeId: number | null
  weekStart: string
  weekEnd: string
  initialContent: string
  commentId: number | null
  employeeLabel?: string
}>()
const emit = defineEmits<{ (e: 'update:modelValue', v: boolean): void; (e: 'saved'): void }>()

const drawerOpen = computed({ get: () => props.modelValue, set: (v) => emit('update:modelValue', v) })
const content = ref('')
const isSubmitting = ref(false)

watch(() => [props.modelValue, props.initialContent] as const, ([open, init]) => { if (open) content.value = init ?? '' }, { immediate: true })

const formatWeekRange = computed(() => {
  const fmt = (ymd: string) => { const p = ymd.split('-'); return p.length === 3 ? `${p[2]}/${p[1]}/${p[0]}` : ymd }
  return `${fmt(props.weekStart)} → ${fmt(props.weekEnd)}`
})

const canSubmit = computed(() => content.value.trim().length > 0 || props.commentId !== null)

const onSave = async () => {
  if (!props.employeeId || isSubmitting.value) return
  const trimmed = content.value.trim()
  isSubmitting.value = true
  try {
    if (trimmed === '' && props.commentId) await deleteWeekComment(props.commentId)
    else if (trimmed !== '' && props.commentId) await updateWeekComment(props.commentId, trimmed)
    else if (trimmed !== '') await createWeekComment({ employeeId: props.employeeId, weekStartDate: props.weekStart, content: trimmed })
    emit('saved'); drawerOpen.value = false
  } finally { isSubmitting.value = false }
}

const onDelete = async () => {
  if (!props.commentId || isSubmitting.value) return
  isSubmitting.value = true
  try { await deleteWeekComment(props.commentId); emit('saved'); drawerOpen.value = false } finally { isSubmitting.value = false }
}
</script>
