import { Component, EventEmitter, Input, Output } from '@angular/core';
import { CommonModule, DatePipe } from '@angular/common';

// NG-ZORRO 组件
import { NzModalModule } from 'ng-zorro-antd/modal';
import { NzDescriptionsModule } from 'ng-zorro-antd/descriptions';
import { NzCardModule } from 'ng-zorro-antd/card';
import { NzTagModule } from 'ng-zorro-antd/tag';
import { NzSwitchModule } from 'ng-zorro-antd/switch';
import { NzCollapseModule } from 'ng-zorro-antd/collapse';

// 类型
import { IMessageActivity, FilterCondition } from '../services/message.service';
import { FormsModule } from '@angular/forms';

@Component({
  selector: 'app-activity-detail',
  standalone: true,
  imports: [
    CommonModule,
    NzModalModule,
    FormsModule,
    NzDescriptionsModule,
    NzCardModule,
    NzTagModule,
    NzSwitchModule,
    NzCollapseModule,
    DatePipe,
  ],
  template: `
    <nz-modal
      [(nzVisible)]="isVisible"
      [nzTitle]="'活动详情 - ' + (activity?.name || '')"
      [nzFooter]="null"
      (nzOnCancel)="onCancel.emit()"
      [nzWidth]="800"
    >
      <ng-container *nzModalContent>
        <nz-descriptions nzBordered [nzColumn]="1">
          <nz-descriptions-item nzTitle="活动名称">{{
            activity?.name
          }}</nz-descriptions-item>
          <nz-descriptions-item nzTitle="关联模板">{{
            getTemplateName(activity?.templateId)
          }}</nz-descriptions-item>
          <nz-descriptions-item nzTitle="推送策略">
            <nz-tag [nzColor]="getStrategyColor(activity?.strategy || 0)">
              {{ getStrategyName(activity?.strategy || 0) }}
            </nz-tag>
          </nz-descriptions-item>
          <nz-descriptions-item nzTitle="计划时间">{{
            activity?.scheduleAt | date : 'yyyy-MM-dd HH:mm:ss'
          }}</nz-descriptions-item>
          <nz-descriptions-item nzTitle="每日推送">
            <nz-switch
              [ngModel]="activity?.everyday"
              [nzDisabled]="true"
            ></nz-switch>
          </nz-descriptions-item>
          <nz-descriptions-item nzTitle="状态">
            <nz-tag [nzColor]="getStatusColor(activity?.status || 0)">
              {{ getStatusName(activity?.status || 0) }}
            </nz-tag>
          </nz-descriptions-item>
          <nz-descriptions-item nzTitle="创建时间">{{
            activity?.createdAt | date : 'yyyy-MM-dd HH:mm:ss'
          }}</nz-descriptions-item>
          <nz-descriptions-item nzTitle="更新时间">{{
            activity?.updatedAt | date : 'yyyy-MM-dd HH:mm:ss'
          }}</nz-descriptions-item>
        </nz-descriptions>

        <nz-card nzTitle="其他信息" style="margin-top: 16px;">
          <nz-descriptions nzBordered [nzColumn]="2">
            <nz-descriptions-item nzTitle="通知图片">
              <img
                [src]="activity?.image"
                style="max-width: 100px; max-height: 100px"
                onerror="this.style.display='none'"
              />
            </nz-descriptions-item>
            <nz-descriptions-item nzTitle="允许展开">
              <nz-switch
                [ngModel]="activity?.bigger"
                [nzDisabled]="true"
              ></nz-switch>
            </nz-descriptions-item>
            <nz-descriptions-item nzTitle="客户端行为">{{
              activity?.action || '无'
            }}</nz-descriptions-item>
            <nz-descriptions-item nzTitle="参数">{{
              activity?.param || '无'
            }}</nz-descriptions-item>
            <nz-descriptions-item nzTitle="扩展参数">{{
              activity?.extend || '无'
            }}</nz-descriptions-item>
          </nz-descriptions>

          <!-- 目标用户筛选条件展示 -->
          <nz-collapse style="margin-top: 16px;">
            <nz-collapse-panel nzHeader="目标用户筛选条件">
              @if (activity && activity.filter && activity.filter.length > 0) {
              <div class="filter-conditions">
                @for (condition of activity.filter; track $index) {
                <div class="filter-condition">
                  <div class="condition-field">
                    {{ getFieldLabel(condition.field) }}
                  </div>
                  <div class="condition-operator">
                    {{ getOperatorLabel(condition.operator) }}
                  </div>
                  <div class="condition-value">
                    {{ formatConditionValue(condition) }}
                  </div>
                </div>
                }
              </div>
              } @else {
              <div>无筛选条件</div>
              }
            </nz-collapse-panel>
          </nz-collapse>

          <nz-descriptions nzBordered [nzColumn]="1">
            <nz-descriptions-item nzTitle="活动描述">{{
              activity?.description
            }}</nz-descriptions-item>
          </nz-descriptions>
        </nz-card>
      </ng-container>
    </nz-modal>
  `,
  styles: [
    `
      nz-card {
        margin-bottom: 16px;
      }

      .filter-conditions {
        display: flex;
        flex-direction: column;
        gap: 8px;
      }

      .filter-condition {
        display: flex;
        align-items: center;
        gap: 8px;
        padding: 8px;
        background: #f5f5f5;
        border-radius: 4px;
      }

      .condition-field {
        font-weight: 500;
        min-width: 100px;
      }

      .condition-operator {
        color: #666;
        min-width: 80px;
      }

      .condition-value {
        flex: 1;
      }
    `,
  ],
})
export class ActivityDetailComponent {
  @Input() activity: IMessageActivity | null = null;
  @Input() isVisible = false;
  @Input() templates: { _id: string; templateName: string }[] = [];
  @Output() onCancel = new EventEmitter<void>();

  getTemplateName(templateId: string | undefined): string {
    if (!templateId) return '-';
    const template = this.templates.find((t) => t._id === templateId);
    return template ? template.templateName : '-';
  }

  getStrategyName(strategy: number): string {
    const strategies = {
      0: '自定义策略',
      1: '活跃用户推送',
      2: '新用户推送',
      3: '沉默用户唤醒',
    };
    return strategies[strategy as keyof typeof strategies] || '未知策略';
  }

  getStrategyColor(strategy: number): string {
    const colors = {
      0: 'blue',
      1: 'green',
      2: 'orange',
      3: 'purple',
    };
    return colors[strategy as keyof typeof colors] || 'default';
  }

  getStatusName(status: number): string {
    const statuses = {
      0: '未发布',
      1: '已发布',
      2: '已完成',
    };
    return statuses[status as keyof typeof statuses] || '未知状态';
  }

  getStatusColor(status: number): string {
    const colors = {
      0: 'default',
      1: 'processing',
      2: 'success',
    };
    return colors[status as keyof typeof colors] || 'default';
  }

  /**
   * 获取字段的显示标签
   */
  getFieldLabel(field: string): string {
    const fieldLabels: { [key: string]: string } = {
      cc: '国家',
      firstLoginAt: '首次登录时间',
      lastActiveAt: '最后活跃时间',
      // 可以添加更多字段映射
    };
    return fieldLabels[field] || field;
  }

  /**
   * 获取运算符的显示标签
   */
  getOperatorLabel(operator: string): string {
    const operatorLabels: { [key: string]: string } = {
      $in: '包含',
      $nin: '不包含',
      $gt: '大于',
      $lt: '小于',
      $gte: '大于等于',
      $lte: '小于等于',
    };
    return operatorLabels[operator] || operator;
  }

  /**
   * 格式化条件值的显示
   */
  formatConditionValue(condition: FilterCondition): string {
    if (condition.field === 'cc' && Array.isArray(condition.value)) {
      return condition.value.join(', ');
    }

    if (
      condition.field === 'firstLoginAt' ||
      condition.field === 'lastActiveAt'
    ) {
      if (condition.operator === '$in' && Array.isArray(condition.value)) {
        return `${condition.value[0]} 至 ${condition.value[1]} 天前`;
      } else if (typeof condition.value === 'number') {
        return `${condition.value} 天前`;
      }
    }

    return JSON.stringify(condition.value);
  }
}