<template>
  <el-dialog
    v-model="dialogVisible"
    title="AI点评配方"
    width="600px"
    :before-close="handleClose"
    destroy-on-close
  >
    <el-form label-width="100px">
      <el-form-item label="配方名称:">
        <span>{{ recipe ? recipe.name : 'N/A' }}</span>
      </el-form-item>

      <el-form-item label="目标猪类型:">
        <el-select
          v-model="selectedPigTypeId"
          placeholder="请选择目标猪类型"
          filterable
          :loading="loadingPigTypes"
          :disabled="loadingAIReview"
          style="width: 100%;"
        >
          <el-option
            v-for="item in pigTypes"
            :key="item.id"
            :label="item.label"
            :value="item.id"
          ></el-option>
        </el-select>
      </el-form-item>

      <el-form-item label="AI点评结果:" v-if="aiReviewResult || error">
        <el-alert
          v-if="error"
          :title="error"
          type="error"
          show-icon
          :closable="false"
        ></el-alert>
        <el-input
          v-else-if="aiReviewResult"
          type="textarea"
          :rows="8"
          :value="`AI模型: ${aiReviewResult.ai_model}\n\n点评内容:\n${aiReviewResult.review_message}`"
          readonly
        ></el-input>
      </el-form-item>
    </el-form>

    <template #footer>
      <span class="dialog-footer">
        <el-button @click="handleClose" :disabled="loadingAIReview">取消</el-button>
        <el-button
          type="primary"
          @click="handleConfirm"
          :loading="loadingAIReview"
          :disabled="!selectedPigTypeId || loadingPigTypes"
        >
          {{ aiReviewResult ? '重新点评' : '开始点评' }}
        </el-button>
      </span>
    </template>
  </el-dialog>
</template>

<script>
import { getPigTypes, aiDiagnoseRecipe } from '../../api/feed';
import { ElMessage } from 'element-plus';

export default {
  name: 'AIRecipeReviewDialog',
  props: {
    visible: {
      type: Boolean,
      default: false,
    },
    recipe: {
      type: Object,
      default: null,
    },
  },
  emits: ['update:visible', 'cancel'],
  data() {
    return {
      dialogVisible: this.visible,
      pigTypes: [], // 格式化后的猪类型列表
      selectedPigTypeId: null,
      aiReviewResult: null,
      loadingPigTypes: false,
      loadingAIReview: false,
      error: null,
    };
  },
  watch: {
    visible(newVal) {
      this.dialogVisible = newVal;
      if (newVal) {
        this.resetState();
        this.loadPigTypes();
      }
    },
    dialogVisible(newVal) {
      this.$emit('update:visible', newVal);
    },
  },
  methods: {
    /**
     * 重置组件内部状态
     */
    resetState() {
      this.selectedPigTypeId = null;
      this.aiReviewResult = null;
      this.error = null;
      this.pigTypes = [];
    },
    /**
     * 加载猪类型列表
     */
    async loadPigTypes() {
      this.loadingPigTypes = true;
      this.error = null;
      try {
        // 获取所有猪类型，假设一次性获取足够的数据
        const response = await getPigTypes({ page: 1, page_size: 1000 });
        if (response.code === 2000 && response.data && response.data.list) {
          this.pigTypes = response.data.list.map(type => ({
            id: type.id,
            label: `${type.breed_name} - ${type.age_stage_name}`,
          }));
        } else {
          this.error = response.msg || '获取猪类型失败';
          ElMessage.error(this.error);
        }
      } catch (err) {
        this.error = '加载猪类型失败: ' + (err.message || '未知错误');
        ElMessage.error(this.error);
        console.error('加载猪类型失败:', err);
      } finally {
        this.loadingPigTypes = false;
      }
    },
    /**
     * 处理确认按钮点击，调用AI点评接口
     */
    async handleConfirm() {
      if (!this.recipe || !this.recipe.id) {
        ElMessage.warning('未选择配方');
        return;
      }
      if (!this.selectedPigTypeId) {
        ElMessage.warning('请选择目标猪类型');
        return;
      }

      this.loadingAIReview = true;
      this.aiReviewResult = null;
      this.error = null;
      try {
        const response = await aiDiagnoseRecipe(this.recipe.id, this.selectedPigTypeId);
        if (response.code === 2000 && response.data) {
          this.aiReviewResult = response.data;
          ElMessage.success('AI点评成功');
        } else {
          this.error = response.msg || 'AI点评失败';
          ElMessage.error(this.error);
        }
      } catch (err) {
        this.error = 'AI点评请求失败: ' + (err.message || '未知错误');
        ElMessage.error(this.error);
        console.error('AI点评请求失败:', err);
      } finally {
        this.loadingAIReview = false;
      }
    },
    /**
     * 处理对话框关闭
     */
    handleClose() {
      this.dialogVisible = false;
      this.$emit('cancel');
    },
  },
};
</script>

<style scoped>
/* 可以根据需要添加样式 */
</style>
