<template>
  <q-page v-if="isAllowed" class="act-page with-bg">

    <!-- =======================================================
         🔍 FILTER BAR
    ======================================================= -->
    <div class="act-filter-bar">
      <div class="act-filter-row">

        <q-input
          dense
          filled
          v-model="store.filters.username"
          label="Kullanıcı"
          clearable
          class="act-filter-input"
          @keyup.enter="store.fetchLogs()"
        />

        <q-select
          dense
          filled
          v-model="store.filters.actionCategory"
          :options="categoryOptions"
          label="Kategori"
          clearable
          emit-value
          map-options
          class="act-filter-input"
          @update:model-value="store.fetchLogs()"
        />

        <q-select
          dense
          filled
          v-model="store.filters.actionType"
          :options="actionTypeOptions"
          label="Action"
          clearable
          emit-value
          map-options
          class="act-filter-input"
          @update:model-value="store.fetchLogs()"
        />


        <q-select
          dense
          filled
          v-model="store.filters.success"
          :options="successOptions"
          label="Sonuç"
          clearable
          emit-value
          map-options
          class="act-filter-input"
          @update:model-value="store.fetchLogs()"
        />

        <q-input
          dense
          filled
          type="date"
          v-model="store.filters.dateFrom"
          label="Başlangıç"
          class="act-filter-input"
          @update:model-value="store.fetchLogs()"
        />

        <q-input
          dense
          filled
          type="date"
          v-model="store.filters.dateTo"
          label="Bitiş"
          class="act-filter-input"
          @update:model-value="store.fetchLogs()"
        />

        <div class="act-filter-actions">
          <q-btn color="primary" unelevated label="Ara" @click="store.fetchLogs()" />
          <q-btn flat label="Temizle" @click="store.resetFilters()" />

          <!-- ✅ YENİ -->
          <q-btn
            v-if="canUpdateUser"
            outline
            color="secondary"
            label="Rol Değişimleri"
            @click="store.quickRoleChange()"
          />
        </div>

      </div>
    </div>

    <!-- =======================================================
         📊 LOG TABLE
    ======================================================= -->
    <q-table
      class="act-table sticky-table"
      row-key="created_at"
      :rows="store.rows"
      :columns="columns"
      :loading="store.loading"
      v-model:pagination="store.pagination"
      :rows-per-page-options="[250, 500, 1000]"
      binary-state-sort
      @request="store.onTableRequest"
    >


    <!-- ================= CHANGE DIFF MODAL ================= -->
      <q-dialog v-model="diffDialog">
        <q-card style="min-width:700px">

          <q-card-section class="text-h6">
            Rol Değişiklik Detayı
          </q-card-section>

          <q-separator />

          <q-card-section>

            <div class="row q-col-gutter-md">

              <div class="col-6">
                <div class="text-bold q-mb-sm">Önce</div>

                <q-banner class="bg-grey-2 text-black">
                  <pre>{{ selectedDiff.before }}</pre>
                </q-banner>
              </div>

              <div class="col-6">
                <div class="text-bold q-mb-sm">Sonra</div>

                <q-banner class="bg-green-1 text-black">
                  <pre>{{ selectedDiff.after }}</pre>
                </q-banner>
              </div>

            </div>

          </q-card-section>

          <q-card-actions align="right">
            <q-btn flat label="Kapat" v-close-popup />
          </q-card-actions>

        </q-card>
      </q-dialog>

      <!-- Zaman -->
      <template #body-cell-created_at="props">
        <q-td :props="props">
          {{ formatDate(props.row.created_at) }}
        </q-td>
      </template>

      <!-- Route -->
      <template #body-cell-action_target="props">
        <q-td :props="props" class="act-col-route">
          {{ props.row.action_target }}
        </q-td>
      </template>

      <!-- HTTP -->
      <template #body-cell-http_status="props">
        <q-td :props="props">
          <q-badge
            v-if="props.row.http_status"
            :label="props.row.http_status"
            :class="props.row.http_status < 300 ? 'act-badge-ok' : 'act-badge-fail'"
          />
        </q-td>
      </template>

      <!-- ✅ Diff -->
      <template #body-cell-diff="props">
        <q-td :props="props">
          <q-btn
            v-if="props.row.change_before || props.row.change_after"
            dense
            flat
            color="primary"
            icon="compare_arrows"
            @click="openDiff(props.row)"
          />
          <span v-else>-</span>
        </q-td>
      </template>

      <!-- Sonuç -->
      <template #body-cell-is_success="props">
        <q-td :props="props">
          <q-badge
            :label="props.row.is_success ? 'OK' : 'FAIL'"
            :class="props.row.is_success ? 'act-badge-ok' : 'act-badge-fail'"
          />
        </q-td>
      </template>

      <template #no-data>
        <div class="full-width row flex-center q-pa-md text-grey-6">
          Log kaydı bulunamadı.
        </div>
      </template>

    </q-table>

  </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, computed, onMounted, watch } from 'vue'
import { date } from 'quasar'
import { useActivityLogStore } from 'src/stores/activityLogStore'
import { useAuthStore } from 'stores/authStore.js'
import { usePermission } from 'src/composables/usePermission'
import { isActivityLogsAllowedUser } from 'src/modules/activityLogs'

const { canUpdate } = usePermission()
const canUpdateUser = canUpdate('user')

const diffDialog = ref(false)

const selectedDiff = ref({
  before: '',
  after: ''
})
const store = useActivityLogStore()
const auth = useAuthStore()
const isAllowed = computed(() => isActivityLogsAllowedUser(auth.user))

const categoryOptions = [
  { label: 'Auth', value: 'auth' },
  { label: 'Navigation', value: 'nav' },
  { label: 'Yetkilendirme (User)', value: 'user_permission' },
  { label: 'Yetkilendirme (Role)', value: 'role_permission' },
  { label: 'Genel Yetki', value: 'permission' }
]
const actionTypeOptions = [

  // USER
  {
    label: 'User Permission Change',
    value: 'user_permission_change'
  },

  // ROLE
  {
    label: 'Role Permission Change',
    value: 'permission_change'
  },

  {
    label: 'Role + Dept Change',
    value: 'role_department_permission_change'
  },

  // AUTH
  {
    label: 'Login',
    value: 'login'
  },

  {
    label: 'Logout',
    value: 'logout'
  }
]


const successOptions = [
  { label: 'Başarılı', value: true },
  { label: 'Hatalı', value: false }
]

const columns = [
  { name: 'created_at', label: 'Zaman', field: 'created_at', sortable: true },
  { name: 'username', label: 'İşlemi Yapan', field: 'username', sortable: true },
  { name: 'target_username', label: 'Hedef Kullanıcı', field: 'target_username' },
  { name: 'role_code', label: 'Rol', field: 'role_code' },
  { name: 'action_category', label: 'Kategori', field: 'action_category' },
  { name: 'action_type', label: 'Action', field: 'action_type' },
  { name: 'action_target', label: 'Route', field: 'action_target' },
  { name: 'http_status', label: 'HTTP', field: 'http_status' },
  { name: 'duration_ms', label: 'Süre (ms)', field: 'duration_ms' },

  // 🔥 field önemli değil ama name = diff şart
  { name: 'diff', label: 'Değişiklik' },

  { name: 'is_success', label: 'Sonuç', field: 'is_success' }
]

function formatDate(v) {
  if (!v) return '-'
  return date.formatDate(v, 'YYYY-MM-DD HH:mm:ss')
}

/* =======================================================
   🔐 TOKEN HAZIR OLDUĞUNDA LOG ÇEK
======================================================= */
function safeFetch() {
  if (auth.isAuthenticated && auth.token) {
    store.fetchLogs()
  }
}
function openDiff (row) {
  selectedDiff.value = {
    before: pretty(row.change_before),
    after: pretty(row.change_after)
  }

  diffDialog.value = true
}

function pretty (v) {
  if (!v) return '-'

  try {
    return JSON.stringify(JSON.parse(v), null, 2)
  } catch {
    return v
  }
}

onMounted(() => {
  safeFetch()
})

watch(
  () => auth.token,
  (token) => {
    if (token) {
      safeFetch()
    }
  },
  { immediate: true }
)
</script>
