  <template>
  <q-page v-if="canReadFinance" class="q-pa-md page-col">

    <!-- 🔹 Cari Kod / İsim (sabit) -->
    <div class="filter-sticky">
      <q-select
        v-model="selectedCari"
        :options="filteredOptions"
        label="Cari kod / isim"
        filled
        clearable
        use-input
        input-debounce="300"
        @filter="filterCari"
        emit-value
        map-options
        :loading="accountStore.loading"
        option-value="value"
        option-label="label"
        behavior="menu"
        :keep-selected="true"
      />
    </div>

    <!-- 🔹 Filtre Alanı -->
    <div class="filter-collapsible">
      <div class="row items-center justify-between q-pa-sm bg-grey-2">
        <div class="text-subtitle1">Filtreler</div>
        <q-btn
          dense flat round
          :icon="filtersOpen ? 'expand_less' : 'expand_more'"
          @click="filtersOpen = !filtersOpen"
        />
      </div>

      <q-slide-transition>
        <div v-show="filtersOpen" class="q-pa-md bg-grey-1">

          <!-- Tarih Aralığı -->
          <div class="row q-col-gutter-sm q-mb-md">
            <div class="col-12 col-sm-6">
              <q-input
                v-model="dateFrom"
                label="Tarih aralığı - başlangıç"
                filled clearable readonly
              >
                <template #append>
                  <q-icon name="event" class="cursor-pointer">
                    <q-popup-proxy cover transition-show="scale" transition-hide="scale">
                      <q-date v-model="dateFrom" mask="YYYY-MM-DD" :locale="dateLocale"/>
                    </q-popup-proxy>
                  </q-icon>
                </template>
              </q-input>
            </div>

            <div class="col-12 col-sm-6">
              <q-input
                v-model="dateTo"
                label="Tarih aralığı - bitiş"
                filled clearable readonly
              >
                <template #append>
                  <q-icon name="event" class="cursor-pointer">
                    <q-popup-proxy cover transition-show="scale" transition-hide="scale">
                      <q-date v-model="dateTo" mask="YYYY-MM-DD" :locale="dateLocale" />
                    </q-popup-proxy>
                  </q-icon>
                </template>
              </q-input>
            </div>
          </div>

          <!-- Parasal İşlem Tipi -->
          <q-select
            v-model="selectedMonType"
            :options="monetaryTypeOptions"
            label="Parasal İşlem Tipi"
            emit-value
            map-options
            filled
            class="q-mb-md"
          />

          <!-- Filtre / Sıfırla Butonları -->
          <div class="row q-col-gutter-md items-center">
            <div class="col-auto">
              <q-btn
                color="primary"
                icon="filter_alt"
                label="Filtrele"
                @click="onFilterClick"
              />
            </div>
            <div class="col-auto">
              <q-btn
                flat
                color="grey-8"
                icon="restart_alt"
                label="Sıfırla"
                @click="resetFilters"
              />
            </div>
          </div>
        </div>
      </q-slide-transition>
    </div>

    <!-- 🔹 Tablo Alanı -->
    <div class="table-scroll">

      <!-- Toggle butonları (sticky üst bar) -->
      <div class="sticky-bar row justify-between items-center q-pa-sm bg-grey-1">

        <!-- Sol buton: CARİ BİLGİ DETAY göster/gizle -->
        <q-btn
          flat
          color="primary"
          icon="view_column"
          :label="showLeftCols ? 'CARİ BİLGİ DETAY Gizle' : 'CARİ BİLGİ DETAY Sütunu Göster'"
          @click="toggleLeftCols"
        />

        <!-- Sağ taraftaki buton grubu -->
        <div class="row items-center q-gutter-sm">

          <!-- Tüm detayları aç/kapat -->
          <q-btn
            flat
            color="secondary"
            icon="list"
            :label="allDetailsOpen ? 'Tüm Detayları Kapat' : 'Tüm Detayları Aç'"
            @click="toggleAllDetails"
          />

          <!-- ✅ PDF Yazdır Dropdown -->
          <q-btn-dropdown
            v-if="canExportFinance"
            flat
            color="red"
            icon="picture_as_pdf"
            label="Yazdır"
          >
            <q-list style="min-width: 200px">
              <!-- 1. Seçenek -->
              <q-item clickable v-close-popup @click="handleDownload" >
                <q-item-section class="text-primary">
                  Detaylı Cari Ekstre Yazdır
                </q-item-section>
              </q-item>

              <!-- 2. Seçenek -->
              <q-item clickable v-close-popup @click="CurrheadDownload">
                <q-item-section class="text-secondary">
                  Cari Hesap Ekstresi Yazdır
                </q-item-section>
              </q-item>
            </q-list>
          </q-btn-dropdown>

        </div> <!-- sağdaki row kapandı -->
      </div> <!-- sticky-bar kapandı -->

      <!-- Ana Tablo -->
      <q-table
        class="sticky-table"
        title="Hareketler"
        :rows="statementheaderStore.groupedRows"
        :columns="columns"
        :visible-columns="visibleColumns"
        :row-key="row => row.OrderHeaderID + '_' + row.OrderNumber"

        flat
        bordered
        dense
        :rows-per-page-options="[0]"
        :loading="statementheaderStore.loading"
        :table-style="{ tableLayout: 'auto', minWidth: '1600px' }"
      >
        <template #body="props">

          <!-- Grup başlığı satırı -->
          <q-tr
            v-if="props.row._type === 'group'"
            class="group-row bg-grey-3 text-weight-bold"
          >
            <q-td colspan="100%" class="q-pa-sm">
              <div class="row items-center justify-between">
                <div class="row items-center">
                  <q-btn
                    dense flat round
                    :icon="statementheaderStore.groupOpen[props.row.para_birimi] ? 'expand_less' : 'expand_more'"
                    class="q-mr-sm"
                    @click="statementheaderStore.toggleGroup(props.row.para_birimi)"
                  />
                  <span>Para Birimi: {{ props.row.para_birimi }}</span>
                </div>
                <div class="row items-center q-gutter-md text-right">
                  <div>Bakiye: {{ formatAmount(props.row.sonBakiye) }}</div>
                </div>
              </div>
            </q-td>
          </q-tr>

          <!-- Normal data satırı -->
          <q-tr
            v-else-if="props.row._type === 'data'"
            :props="props"
            class="main-row"
          >
            <q-td
              v-for="col in props.cols"
              :key="col.name"
              :props="props"
              @click="col.name === 'belge_no' ? toggleRowDetails(props.row) : null"
              :class="[
                'cursor-pointer',
                col.name === 'aciklama' ? 'resizable-cell' : '',
                col.name === 'belge_no' ? 'text-primary text-bold' : ''
              ]"
            >
              <span v-if="['borc','alacak','bakiye'].includes(col.name)">
                {{ formatAmount(props.row[col.field]) }}
              </span>

              <div v-else-if="col.name === 'aciklama'" class="resizable-cell-content">
                {{ props.row[col.field] ?? '' }}
              </div>

              <span v-else>
                {{ props.row[col.field] ?? '' }}
              </span>
            </q-td>
          </q-tr>

          <!-- Detay tablosu -->
          <q-tr
            v-if="props.row._type === 'data' && expandedRows[props.row.belge_no]"
            class="sub-row"
          >
            <q-td colspan="100%">
              <q-table
                :rows="detailStore.getDetailsByBelge(props.row.belge_no)"
                :columns="detailColumns(props.row.belge_no)"
                row-key="Urun_Kodu"
                flat
                dense
                bordered
                hide-bottom
                no-data-label="Detay bulunamadı"
                class="custom-subtable"
                :loading="detailStore.loading"
                :table-style="{ minWidth: '1200px' }"
              />
            </q-td>
          </q-tr>

        </template>
      </q-table>
    </div>
  </q-page>

  <q-page v-else class="q-pa-md flex flex-center">
    <div class="text-negative text-subtitle1">
      Bu module erisim yetkiniz yok.
    </div>
  </q-page>
</template>

<script setup>
import { ref, onMounted, computed, watch } from 'vue'
import { useQuasar } from 'quasar'
import { useAccountStore } from 'src/stores/accountStore'
import { useStatementheaderStore } from 'src/stores/statementheaderStore'
import { useStatementdetailStore } from 'src/stores/statementdetailStore'
import { useDownloadstpdfStore } from 'src/stores/downloadstpdfStore'
import dayjs from 'dayjs'
import { usePermission } from 'src/composables/usePermission'
import { normalizeSearchText } from 'src/utils/searchText'
import { useLocaleStore } from 'src/stores/localeStore'
import { getDateLocale } from 'src/i18n/dayjsLocale'

const { canRead, canExport } = usePermission()
const canReadFinance = canRead('finance')
const canExportFinance = canExport('finance')

const $q = useQuasar()
const localeStore = useLocaleStore()
const dateLocale = computed(() => getDateLocale(localeStore.locale))

const accountStore = useAccountStore()
const statementheaderStore = useStatementheaderStore()
const detailStore = useStatementdetailStore()
const downloadstpdfStore = useDownloadstpdfStore()

/* Cari seçimi */
const selectedCari = ref(null)
const filteredOptions = ref([])

function filterCari(val, update) {
  if (val === '') {
    update(() => { filteredOptions.value = accountStore.accountOptions })
    return
  }
  const needle = normalizeSearchText(val)
  update(() => {
    filteredOptions.value = accountStore.accountOptions.filter(o =>
      normalizeSearchText(o.label).includes(needle) || normalizeSearchText(o.value).includes(needle)
    )
  })
}

onMounted(async () => {
  await accountStore.fetchAccounts()
  filteredOptions.value = accountStore.accountOptions

  // ✅ Backend erişimi için global fonksiyon
  window.toggleAllDetails = toggleAllDetails
})

/* Tarih aralığı */
const dateFrom = ref(dayjs().startOf('year').format('YYYY-MM-DD'))
const dateTo   = ref(dayjs().format('YYYY-MM-DD'))

/* Parasal İşlem Tipi */
const monetaryTypeOptions = [
  { label: '1-2 hesap', value: ['1', '2'] },
  { label: '1-3 r hesap', value: ['1', '3'] }
]
const selectedMonType = ref(monetaryTypeOptions[0].value)

/* Expand kontrolü */
const expandedRows = ref({})
const allDetailsOpen = ref(false)

/* Kolonları dinamik üretelim */
function buildColumns(data) {
  if (!data || data.length === 0) return []
  return Object.keys(data[0]).map(key => ({
    name: key,
    label: key.replace(/_/g, ' ').replace(/\b\w/g, c => c.toUpperCase()),
    field: key,
    align: typeof data[0][key] === 'number' ? 'right' : 'left',
    sortable: true
  }))
}

const columns = computed(() => buildColumns(statementheaderStore.headers))

function detailColumns(belgeNo) {
  const details = detailStore.getDetailsByBelge(belgeNo)
  return buildColumns(details)
}

/* Filtrele */
async function onFilterClick() {
  if (!selectedCari.value || !dateFrom.value || !dateTo.value) {
    $q.notify({
      type: 'warning',
      message: '⚠️ Lütfen cari ve tarih aralığını seçiniz.',
      position: 'top-right'
    })
    return
  }

  await statementheaderStore.loadStatements({
    startdate: dateFrom.value,
    enddate: dateTo.value,
    accountcode: selectedCari.value,
    langcode: localeStore.backendLangCode,
    parislemler: selectedMonType.value
  })

  await detailStore.loadDetails({
    accountCode: selectedCari.value,
    startDate: dateFrom.value,
    endDate: dateTo.value
  })
}

/* Grup satırları için özel rowKey */
const rowKeyFn = (row) =>
  row._type === 'group' ? `grp-${row.para_birimi}` : row.belge_no

/* Detay açma sadece expand kontrolü */
function toggleRowDetails(row) {
  if (row._type === 'group') return
  expandedRows.value[row.belge_no] = !expandedRows.value[row.belge_no]
}

/* 🔹 Tüm detayları aç/kapat */
function toggleAllDetails() {
  allDetailsOpen.value = !allDetailsOpen.value
  if (allDetailsOpen.value) {
    for (const row of statementheaderStore.headers) {
      if (row.belge_no) {
        expandedRows.value[row.belge_no] = true
      }
    }
  } else {
    expandedRows.value = {}
  }
}

/* Reset */
function resetFilters() {
  selectedCari.value = null
  dateFrom.value = ''
  dateTo.value = ''
  selectedMonType.value = monetaryTypeOptions[0].value
  statementheaderStore.headers = []
  detailStore.reset()
}

/* Format */
function formatAmount(n) {
  if (n == null || isNaN(n)) return '0,00'
  return new Intl.NumberFormat(dateLocale.value, {
    minimumFractionDigits: 2,
    maximumFractionDigits: 2
  }).format(n)
}

const filtersOpen = ref(true)

/* 🔹 Kolon gizle/göster */
const visibleColumns = ref([])
const showLeftCols = ref(true)

watch(columns, (cols) => {
  if (cols.length > 0 && visibleColumns.value.length === 0) {
    visibleColumns.value = cols.map(c => c.name)
  }
})

function toggleLeftCols() {
  if (showLeftCols.value) {
    visibleColumns.value  = columns.value.map((c, i) =>
      i < 3 ? null : c.name
    ).filter(Boolean)
  } else {
    visibleColumns.value = columns.value.map(c => c.name)
  }
  showLeftCols.value = !showLeftCols.value
}

/* 🔹 PDF İndirme Butonuna bağla */
async function handleDownload() {
  if (!canExportFinance.value) {
    $q.notify({
      type: 'negative',
      message: 'PDF export yetkiniz yok',
      position: 'top-right'
    })
    return
  }

  console.log("▶️ [DEBUG] handleDownload:", selectedCari.value, dateFrom.value, dateTo.value)

  if (!selectedCari.value || !dateFrom.value || !dateTo.value) {
    $q.notify({
      type: 'warning',
      message: '⚠️ Cari ve tarih aralığını seçmeden PDF alınamaz!',
      position: 'top-right'
    })
    return
  }

  // ✅ Seçilen parasal işlem tipini gönder
  const result = await downloadstpdfStore.downloadPDF(
    selectedCari.value,   // accountCode
    dateFrom.value,       // startDate
    dateTo.value,         // endDate
    selectedMonType.value, // <-- eklendi (['1','2'] veya ['1','3'])
    localeStore.backendLangCode
  )

  console.log("📤 [DEBUG] Store’dan gelen result:", result)

  $q.notify({
    type: result.ok ? 'positive' : 'negative',
    message: result.message,
    position: 'top-right'
  })
}/* 🔹 Cari Hesap Ekstresi (2. seçenek) */
import { useDownloadstHeadStore } from 'src/stores/downloadstHeadStore'

const downloadstHeadStore = useDownloadstHeadStore()

async function CurrheadDownload() {
  if (!canExportFinance.value) {
    $q.notify({
      type: 'negative',
      message: 'PDF export yetkiniz yok',
      position: 'top-right'
    })
    return
  }

  console.log("▶️ [DEBUG] CurrheadDownload:", selectedCari.value, dateFrom.value, dateTo.value)

  if (!selectedCari.value || !dateFrom.value || !dateTo.value) {
    $q.notify({
      type: 'warning',
      message: '⚠️ Cari ve tarih aralığını seçmeden PDF alınamaz!',
      position: 'top-right'
    })
    return
  }

  // ✅ Yeni store fonksiyonu doğru şekilde çağrılıyor
  const result = await downloadstHeadStore.handlestHeadDownload(
    selectedCari.value,   // accountCode
    dateFrom.value,       // startDate
    dateTo.value,         // endDate
    selectedMonType.value, // parasal işlem tipi (parislemler)
    localeStore.backendLangCode
  )

  console.log("📤 [DEBUG] CurrheadDownloadresult:", result)

  $q.notify({
    type: result.ok ? 'positive' : 'negative',
    message: result.message,
    position: 'top-right'
  })
}

</script>
