<script setup>
import MarkdownIt from 'markdown-it'
import { VueMonacoEditor } from '@guolao/vue-monaco-editor'
import { ref, computed } from 'vue'
import ConfigItemRenderer from './ConfigItemRenderer.vue'
import TemplateListEditor from './TemplateListEditor.vue'
import PersonaQuickPreview from './PersonaQuickPreview.vue'
import { useI18n, useModuleI18n } from '@/i18n/composables'


const props = defineProps({
  metadata: {
    type: Object,
    required: true
  },
  iterable: {
    type: Object,
    required: true
  },
  metadataKey: {
    type: String,
    required: true
  },
  searchKeyword: {
    type: String,
    default: ''
  }
})

const { t } = useI18n()
const { tm, getRaw } = useModuleI18n('features/config-metadata')

const hintMarkdown = new MarkdownIt({
  linkify: true,
  breaks: true
})

// 翻译器函数 - 如果是国际化键则翻译，否则原样返回
const translateIfKey = (value) => {
  if (!value || typeof value !== 'string') return value
  return tm(value)
}

const renderHint = (value) => {
  const text = translateIfKey(value)
  if (!text) return ''
  return hintMarkdown.renderInline(text)
}

// 处理labels翻译 - labels可以是数组或国际化键
const getTranslatedLabels = (itemMeta) => {
  if (!itemMeta?.labels) return null
  
  // 如果labels是字符串（国际化键）
  if (typeof itemMeta.labels === 'string') {
    const translatedLabels = getRaw(itemMeta.labels)
    // 如果翻译成功且是数组，返回翻译结果
    if (Array.isArray(translatedLabels)) {
      return translatedLabels
    }
  }
  
  // 如果labels是数组，直接返回
  if (Array.isArray(itemMeta.labels)) {
    return itemMeta.labels
  }
  
  return null
}

const dialog = ref(false)
const currentEditingKey = ref('')
const currentEditingLanguage = ref('json')
const currentEditingTheme = ref('vs-light')
let currentEditingKeyIterable = null

function getValueBySelector(obj, selector) {
  const keys = selector.split('.')
  let current = obj
  for (const key of keys) {
    if (current && typeof current === 'object' && key in current) {
      current = current[key]
    } else {
      return undefined
    }
  }
  return current
}

function setValueBySelector(obj, selector, value) {
  const keys = selector.split('.')
  let current = obj

  // 创建嵌套对象路径
  for (let i = 0; i < keys.length - 1; i++) {
    const key = keys[i]
    if (!current[key] || typeof current[key] !== 'object') {
      current[key] = {}
    }
    current = current[key]
  }

  // 设置最终值
  current[keys[keys.length - 1]] = value
}

// 创建一个计算属性来处理 JSON selector 的获取和设置
function createSelectorModel(selector) {
  return computed({
    get() {
      return getValueBySelector(props.iterable, selector)
    },
    set(value) {
      setValueBySelector(props.iterable, selector, value)
    }
  })
}

function openEditorDialog(key, value, theme, language) {
  currentEditingKey.value = key
  currentEditingLanguage.value = language || 'json'
  currentEditingTheme.value = theme || 'vs-light'
  currentEditingKeyIterable = value
  dialog.value = true
}

function saveEditedContent() {
  dialog.value = false
}

function shouldShowItem(itemMeta, itemKey) {
  if (itemMeta?.condition) {
    for (const [conditionKey, expectedValue] of Object.entries(itemMeta.condition)) {
      const actualValue = getValueBySelector(props.iterable, conditionKey)
      if (actualValue !== expectedValue) {
        return false
      }
    }
  }

  const keyword = String(props.searchKeyword || '').trim().toLowerCase()
  if (!keyword) {
    return true
  }

  const searchableText = [
    itemKey,
    translateIfKey(itemMeta?.description || ''),
    translateIfKey(itemMeta?.hint || '')
  ].join(' ').toLowerCase()

  return searchableText.includes(keyword)
}

// 检查最外层的 object 是否应该显示
function shouldShowSection() {
  const sectionMeta = props.metadata[props.metadataKey]
  if (!sectionMeta?.condition) {
    return true
  }
  for (const [conditionKey, expectedValue] of Object.entries(sectionMeta.condition)) {
    const actualValue = getValueBySelector(props.iterable, conditionKey)
    if (actualValue !== expectedValue) {
      return false
    }
  }

  const sectionItems = props.metadata?.[props.metadataKey]?.items || {}
  const hasVisibleItems = Object.entries(sectionItems).some(([itemKey, itemMeta]) => shouldShowItem(itemMeta, itemKey))
  return hasVisibleItems
}

function hasVisibleItemsAfter(items, currentIndex) {
  const itemEntries = Object.entries(items)

  // 检查当前索引之后是否还有可见的配置项
  for (let i = currentIndex + 1; i < itemEntries.length; i++) {
    const [itemKey, itemMeta] = itemEntries[i]
    if (shouldShowItem(itemMeta, itemKey)) {
      return true
    }
  }

  return false
}

function parseSpecialValue(value) {
  if (!value || typeof value !== 'string') {
    return { name: '', subtype: '' }
  }
  const [name, ...rest] = value.split(':')
  return {
    name,
    subtype: rest.join(':') || ''
  }
}

function getSpecialName(value) {
  return parseSpecialValue(value).name
}

function getSpecialSubtype(value) {
  return parseSpecialValue(value).subtype
}

</script>

<template>


  <v-card v-if="shouldShowSection()" style="margin-bottom: 16px; padding-bottom: 8px; background-color: rgb(var(--v-theme-background));"
    rounded="md" variant="outlined">
    <v-card-text class="config-section" v-if="metadata[metadataKey]?.type === 'object'" style="padding-bottom: 8px;">
      <v-list-item-title class="config-title">
        {{ translateIfKey(metadata[metadataKey]?.description) }}
      </v-list-item-title>
      <v-list-item-subtitle class="config-hint">
        <span v-if="metadata[metadataKey]?.obvious_hint && metadata[metadataKey]?.hint" class="important-hint">‼️</span>
        <span v-html="renderHint(metadata[metadataKey]?.hint)"></span>
      </v-list-item-subtitle>
    </v-card-text>

    <!-- Object Type Configuration with JSON Selector Support -->
    <div v-if="metadata[metadataKey]?.type === 'object'" class="object-config">
      <div v-for="(itemMeta, itemKey, index) in metadata[metadataKey].items" :key="itemKey" class="config-item">
        <!-- Check if itemKey is a JSON selector -->
        <template v-if="shouldShowItem(itemMeta, itemKey)">
          <!-- JSON Selector Property -->
          <v-row v-if="!itemMeta?.invisible" class="config-row">
            <v-col cols="12" sm="6" class="property-info">
              <v-list-item density="compact">
                <v-list-item-title class="property-name">
                  {{ translateIfKey(itemMeta?.description) || itemKey }}
                  <span class="property-key">({{ itemKey }})</span>
                </v-list-item-title>

                <v-list-item-subtitle class="property-hint">
                  <span v-if="itemMeta?.obvious_hint && itemMeta?.hint" class="important-hint">‼️</span>
                  <span v-html="renderHint(itemMeta?.hint)"></span>
                </v-list-item-subtitle>
              </v-list-item>
            </v-col>
            <v-col cols="12" sm="6" class="config-input">
              <TemplateListEditor
                v-if="itemMeta?.type === 'template_list'"
                v-model="createSelectorModel(itemKey).value"
                :templates="itemMeta?.templates || {}"
                class="config-field"
              />
              <ConfigItemRenderer
                v-else
                v-model="createSelectorModel(itemKey).value"
                :item-meta="itemMeta || null"
                :show-fullscreen-btn="!!itemMeta?.editor_mode"
                @open-fullscreen="openEditorDialog(itemKey, iterable, itemMeta?.editor_theme, itemMeta?.editor_language)"
              />
            </v-col>
          </v-row>

          <!-- Plugin Set Selector 全宽显示区域 -->
          <v-row v-if="!itemMeta?.invisible && itemMeta?._special === 'select_plugin_set'"
            class="plugin-set-display-row">
            <v-col cols="12" class="plugin-set-display">
              <div v-if="createSelectorModel(itemKey).value && createSelectorModel(itemKey).value.length > 0"
                class="selected-plugins-full-width">
                <div class="plugins-header">
                  <small class="text-grey">{{ t('core.shared.pluginSetSelector.selectedPluginsLabel') }}</small>
                </div>
                <div class="d-flex flex-wrap ga-2 mt-2">
                  <v-chip v-for="plugin in (createSelectorModel(itemKey).value || [])" :key="plugin" size="small" label
                    color="primary" variant="outlined">
                    {{ plugin === '*' ? t('core.shared.pluginSetSelector.allPluginsLabel') : plugin }}
                  </v-chip>
                </div>
              </div>
            </v-col>
          </v-row>

          <!-- Default Persona Quick Preview 全宽显示区域 -->
          <v-row
            v-if="!itemMeta?.invisible && itemMeta?._special === 'select_persona' && itemKey === 'provider_settings.default_personality'"
            class="persona-preview-row"
          >
            <v-col cols="12" class="persona-preview-display">
              <PersonaQuickPreview :model-value="createSelectorModel(itemKey).value" />
            </v-col>
          </v-row>
        </template>
        <v-divider class="config-divider"
          v-if="shouldShowItem(itemMeta, itemKey) && hasVisibleItemsAfter(metadata[metadataKey].items, index)"></v-divider>
      </div>

    </div>
  </v-card>

  <!-- Full Screen Editor Dialog -->
  <v-dialog v-model="dialog" fullscreen transition="dialog-bottom-transition" scrollable>
    <v-card>
      <v-toolbar color="primary" dark>
        <v-btn icon @click="dialog = false">
          <v-icon>mdi-close</v-icon>
        </v-btn>
        <v-toolbar-title>{{ t('core.common.editor.editingTitle') }} - {{ currentEditingKey }}</v-toolbar-title>
        <v-spacer></v-spacer>
        <v-toolbar-items>
          <v-btn variant="text" @click="saveEditedContent">{{ t('core.common.save') }}</v-btn>
        </v-toolbar-items>
      </v-toolbar>
      <v-card-text class="pa-0">
        <VueMonacoEditor :theme="currentEditingTheme" :language="currentEditingLanguage"
          style="height: calc(100vh - 64px);" v-model:value="currentEditingKeyIterable[currentEditingKey]">
        </VueMonacoEditor>
      </v-card-text>
    </v-card>
  </v-dialog>
</template>



<style scoped>
.config-section {
  margin-bottom: 4px;
}

.config-title {
  /* font-weight: 600; */
  font-size: 1.3rem;
  color: var(--v-theme-primaryText);
}

.config-hint {
  font-size: 0.75rem;
  color: var(--v-theme-secondaryText);
  margin-top: 2px;
}

.config-hint :deep(a),
.property-hint :deep(a) {
  color: var(--v-theme-primary);
  text-decoration: underline;
}

.metadata-key,
.property-key {
  font-size: 0.85em;
  opacity: 0.7;
  font-weight: normal;
  display: none;
}

.important-hint {
  opacity: 1;
  margin-right: 4px;
}

.object-config,
.simple-config {
  width: 100%;
}

.nested-object {
  padding-left: 16px;
}

.nested-container {
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 8px;
  padding: 12px;
  margin: 12px 0;
  background-color: rgba(0, 0, 0, 0.02);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.config-row {
  margin: 0;
  align-items: center;
  padding: 8px 8px;
  border-radius: 4px;
}

.config-row:hover {
  background-color: rgba(0, 0, 0, 0.03);
}

.property-info {
  padding: 0;
}

.property-name {
  font-size: 0.875rem;
  /* font-weight: 600; */
  color: var(--v-theme-primaryText);
}

.property-hint {
  font-size: 0.75rem;
  color: var(--v-theme-secondaryText);
  margin-top: 2px;
}

.type-indicator {
  display: flex;
  justify-content: center;
}

.config-input {
  padding: 4px 8px;
}

.config-field {
  margin-bottom: 0;
}

.config-divider {
  border-color: rgba(0, 0, 0, 0.1);
  margin-left: 24px;
}

.editor-container {
  position: relative;
  display: flex;
  width: 100%;
}

.editor-fullscreen-btn {
  position: absolute;
  top: 4px;
  right: 4px;
  z-index: 10;
  background-color: rgba(0, 0, 0, 0.3);
  border-radius: 4px;
}

.editor-fullscreen-btn:hover {
  background-color: rgba(0, 0, 0, 0.5);
}

.plugin-set-display-row {
  margin: 16px;
  margin-top: 0;
}

.plugin-set-display {
  padding: 0 8px;
}

.persona-preview-row {
  margin: 16px;
  margin-top: 0;
}

.persona-preview-display {
  padding: 0 8px;
}

.selected-plugins-full-width {
  background-color: rgba(var(--v-theme-primary), 0.05);
  border: 1px solid rgba(var(--v-theme-primary), 0.1);
  border-radius: 8px;
  padding: 12px;
}

.plugins-header {
  margin-bottom: 4px;
}

@media (max-width: 600px) {
  .nested-object {
    padding-left: 8px;
  }

  .config-row {
    padding: 8px 0;
  }

  .property-info,
  .type-indicator {
    padding: 4px 8px;
  }

  .config-input {
    padding-left: 24px;
    padding-right: 24px;
  }
}
</style>
