/**
 * 项目阶段数据修复脚本
 * 
 * 功能：将没有完成阶段工作的项目回退到正确的阶段
 * 
 * 使用方法：
 * 1. 在浏览器控制台粘贴此脚本
 * 2. 调用 repairProjectStages() 预览需要修复的项目
 * 3. 调用 repairProjectStages(false) 执行实际修复
 */

import { FmodeParse } from 'fmode-ng/core';

const Parse = FmodeParse.with('nova');

/**
 * 修复项目阶段数据
 * @param dryRun 是否为预览模式（默认true，只预览不修复）
 */
export async function repairProjectStages(dryRun: boolean = true): Promise<void> {
  console.log('\n' + '='.repeat(80));
  console.log(dryRun ? '🔍 预览模式：查看需要修复的项目' : '🔧 执行模式：开始修复项目阶段数据');
  console.log('='.repeat(80) + '\n');
  
  try {
    // 查询所有未删除的项目
    const query = new Parse.Query('Project');
    query.notEqualTo('isDeleted', true);
    query.limit(1000);
    const projects = await query.find();
    
    console.log(`📊 共找到 ${projects.length} 个项目\n`);
    
    let needFixCount = 0;
    const fixedProjects: Array<{
      id: string;
      title: string;
      oldStage: string;
      newStage: string;
      reason: string;
    }> = [];
    
    for (const project of projects) {
      const currentStage = project.get('currentStage') || '订单分配';
      const correctStage = await getCorrectStage(project);
      
      // 如果当前阶段与正确阶段不一致
      if (currentStage !== correctStage) {
        const title = project.get('title') || '未命名项目';
        const reason = await getFixReason(project, correctStage);
        
        console.log(`\n${'─'.repeat(60)}`);
        console.log(`📋 项目: ${title}`);
        console.log(`   ID: ${project.id}`);
        console.log(`   当前阶段: ${currentStage}`);
        console.log(`   应该阶段: ${correctStage}`);
        console.log(`   回退原因: ${reason}`);
        
        if (!dryRun) {
          // 执行修复
          project.set('currentStage', correctStage);
          
          // 清除不合理的审批状态
          const data = project.get('data') || {};
          if (correctStage === '订单分配' && data.approvalStatus === 'approved') {
            const isCompleted = await isOrderStageCompleted(project);
            if (!isCompleted) {
              data.approvalStatus = null;
              project.set('data', data);
              console.log(`   🧹 已清除错误的审批状态`);
            }
          }
          
          await project.save();
          console.log(`   ✅ 已回退到"${correctStage}"阶段`);
        } else {
          console.log(`   🔍 [预览] 需要回退到"${correctStage}"阶段`);
        }
        
        fixedProjects.push({
          id: project.id || 'unknown',
          title,
          oldStage: currentStage,
          newStage: correctStage,
          reason
        });
        
        needFixCount++;
      }
    }
    
    console.log(`\n${'='.repeat(80)}`);
    
    if (needFixCount === 0) {
      console.log('✅ 所有项目的阶段状态都是正确的，无需修复！');
    } else {
      if (dryRun) {
        console.log(`🔍 预览完成！发现 ${needFixCount} 个项目需要修复`);
        console.log(`\n💡 提示：调用 repairProjectStages(false) 执行实际修复`);
      } else {
        console.log(`✅ 修复完成！共回退 ${needFixCount} 个项目到正确阶段`);
      }
      
      console.log('\n📋 修复详情：');
      console.table(fixedProjects);
    }
    
    console.log('='.repeat(80) + '\n');
    
  } catch (error) {
    console.error('❌ 操作失败:', error);
    throw error;
  }
}

/**
 * 获取项目应该处于的正确阶段
 */
async function getCorrectStage(project: any): Promise<string> {
  // 检查订单分配阶段是否完成
  const orderCompleted = await isOrderStageCompleted(project);
  if (!orderCompleted) {
    return '订单分配';
  }
  
  // 检查确认需求阶段是否完成
  const requirementsCompleted = await isRequirementsStageCompleted(project);
  if (!requirementsCompleted) {
    return '确认需求';
  }
  
  // 检查交付执行阶段是否完成
  const deliveryCompleted = await isDeliveryStageCompleted(project);
  if (!deliveryCompleted) {
    return '交付执行';
  }
  
  // 所有阶段都完成了，应该在售后归档
  return '售后归档';
}

/**
 * 获取修复原因说明
 */
async function getFixReason(project: any, correctStage: string): Promise<string> {
  const reasons: string[] = [];
  
  if (correctStage === '订单分配') {
    if (!project.get('title')?.trim()) reasons.push('缺少项目名称');
    if (!project.get('projectType')) reasons.push('缺少项目类型');
    if (!project.get('demoday')) reasons.push('缺少小图日期');
    
    const data = project.get('data') || {};
    if (!data.quotation || data.quotation.total <= 0) reasons.push('缺少报价数据');
    
    const query = new Parse.Query('ProjectTeam');
    query.equalTo('project', project.toPointer());
    query.notEqualTo('isDeleted', true);
    const teams = await query.find();
    
    if (teams.length === 0 && data.approvalStatus !== 'approved') {
      reasons.push('未分配设计师且未审批');
    }
  }
  
  if (correctStage === '确认需求') {
    const data = project.get('data') || {};
    if (!data.requirementsAnalysis || Object.keys(data.requirementsAnalysis).length === 0) {
      if (!data.spaceRequirements || Object.keys(data.spaceRequirements).length === 0) {
        reasons.push('缺少需求分析数据');
      }
    }
  }
  
  if (correctStage === '交付执行') {
    const data = project.get('data') || {};
    const deliveryStages = data.deliveryStages || {};
    const requiredStages = [
      { id: 'modeling', name: '建模' },
      { id: 'softDecor', name: '软装' },
      { id: 'rendering', name: '渲染' },
      { id: 'postProcess', name: '后期' }
    ];
    
    for (const stage of requiredStages) {
      if (!deliveryStages[stage.id] || deliveryStages[stage.id].approvalStatus !== 'approved') {
        reasons.push(`${stage.name}阶段未审批`);
      }
    }
  }
  
  return reasons.length > 0 ? reasons.join(', ') : '未知原因';
}

/**
 * 检查订单分配阶段是否完成
 */
async function isOrderStageCompleted(project: any): Promise<boolean> {
  // 1. 检查基本信息
  if (!project.get('title')?.trim()) return false;
  if (!project.get('projectType')) return false;
  if (!project.get('demoday')) return false;
  
  // 2. 检查报价
  const data = project.get('data') || {};
  if (!data.quotation || data.quotation.total <= 0) return false;
  
  // 3. 检查设计师分配或审批状态
  const query = new Parse.Query('ProjectTeam');
  query.equalTo('project', project.toPointer());
  query.notEqualTo('isDeleted', true);
  const teams = await query.find();
  
  const hasDesigner = teams.length > 0;
  const isApproved = data.approvalStatus === 'approved';
  
  // 至少满足一个条件：已分配设计师 或 已审批通过
  return hasDesigner || isApproved;
}

/**
 * 检查确认需求阶段是否完成
 */
async function isRequirementsStageCompleted(project: any): Promise<boolean> {
  const data = project.get('data') || {};
  
  // 检查是否有需求分析数据
  if (data.requirementsAnalysis && Object.keys(data.requirementsAnalysis).length > 0) {
    return true;
  }
  
  // 检查是否有空间需求数据
  if (data.spaceRequirements && Object.keys(data.spaceRequirements).length > 0) {
    return true;
  }
  
  // 如果没有任何需求数据，视为未完成
  return false;
}

/**
 * 检查交付执行阶段是否完成
 */
async function isDeliveryStageCompleted(project: any): Promise<boolean> {
  const data = project.get('data') || {};
  const deliveryStages = data.deliveryStages || {};
  
  // 检查所有必需的交付阶段
  const requiredStages = ['modeling', 'softDecor', 'rendering', 'postProcess'];
  
  for (const stageId of requiredStages) {
    const stageData = deliveryStages[stageId];
    
    // 如果某个阶段不存在或未审批通过，则交付执行未完成
    if (!stageData || stageData.approvalStatus !== 'approved') {
      return false;
    }
  }
  
  // 所有阶段都已审批通过
  return true;
}

/**
 * 导出项目数据（用于备份）
 */
export async function exportProjectsForBackup(): Promise<void> {
  console.log('📦 开始导出项目数据...');
  
  const query = new Parse.Query('Project');
  query.notEqualTo('isDeleted', true);
  query.limit(1000);
  const projects = await query.find();
  
  const backup = projects.map(p => ({
    id: p.id,
    title: p.get('title'),
    currentStage: p.get('currentStage'),
    projectType: p.get('projectType'),
    demoday: p.get('demoday'),
    data: p.get('data')
  }));
  
  console.log('✅ 导出完成，共', projects.length, '个项目');
  console.log('📋 备份数据:', JSON.stringify(backup, null, 2));
  
  // 下载为JSON文件
  const dataStr = JSON.stringify(backup, null, 2);
  const dataBlob = new Blob([dataStr], { type: 'application/json' });
  const url = URL.createObjectURL(dataBlob);
  const link = document.createElement('a');
  link.href = url;
  link.download = `projects-backup-${new Date().toISOString()}.json`;
  link.click();
  
  console.log('💾 备份文件已下载');
}

// 导出全局方法（用于浏览器控制台）
if (typeof window !== 'undefined') {
  (window as any).repairProjectStages = repairProjectStages;
  (window as any).exportProjectsForBackup = exportProjectsForBackup;
  
  console.log('✅ 数据修复工具已加载');
  console.log('💡 使用方法：');
  console.log('   1. repairProjectStages()      - 预览需要修复的项目');
  console.log('   2. repairProjectStages(false) - 执行实际修复');
  console.log('   3. exportProjectsForBackup()  - 导出备份数据');
}