package flow

import (
	"ai-agent/workflow/consts/flow"
	"ai-agent/workflow/consts/node"
	"ai-agent/workflow/consts/public"
	fileDao "ai-agent/workflow/dao/file"
	flowDao "ai-agent/workflow/dao/flow"
	"ai-agent/workflow/model/dto"
	fileDto "ai-agent/workflow/model/dto/file"
	flowDto "ai-agent/workflow/model/dto/flow"
	"ai-agent/workflow/model/entity"
	"context"
	"fmt"
	"regexp"
	"strconv"
	"strings"
	"time"

	"gitea.com/red-future/common/db/gfdb"
	"gitea.com/red-future/common/utils"
	"github.com/gogf/gf/v2/database/gdb"
	"github.com/gogf/gf/v2/frame/g"
	"github.com/gogf/gf/v2/util/gconv"
)

func GetNodeContextContent(execInput *flowDto.FlowExecutionInput, node *entity.FlowNode) (map[string]any, map[string]any, map[string]any) {

	input := make(map[string]any)
	output := make(map[string]any)
	model := make(map[string]any)
	// 1. 有引用 → 取引用节点的字段值
	if len(node.InputSource) > 0 {
		for _, source := range node.InputSource {
			refNodeID := source.NodeId
			isQuoteOutput := source.QuoteOutput
			fields := source.Field

			refNode, ok := execInput.ConfigMap[refNodeID]
			if !ok {
				continue
			}

			inputMap := buildInputMap(refNode)
			outputMap := mergeOutput(refNode.OutputResult)
			modelMap := mergeModel(refNode.ModelConfig)
			if isQuoteOutput {
				for k, v := range outputMap {
					output[k] = v
				}
			}
			if len(fields) > 0 {
				// 取指定字段
				for _, f := range fields {

					if v, ok := inputMap[f]; ok {
						input[f] = v
					}
					if v, ok := modelMap[f]; ok {
						model[f] = v
					}
				}
			} else {
				// 取全部
				for k, v := range inputMap {
					input[k] = v
				}
				for k, v := range modelMap {
					model[k] = v
				}
			}
		}
	}

	return input, output, model
}

// buildInputMap 从 FormConfig 构造输入map
func buildInputMap(node *entity.FlowNode) map[string]any {
	m := make(map[string]any)
	for _, item := range node.FormConfig {
		m[item.Label] = item
	}
	return m
}

// mergeOutput 合并节点输出 []map → 单map
func mergeOutput(output []node.NodeFormField) map[string]any {
	m := make(map[string]any)
	for _, item := range output {
		m[item.Label] = item
	}
	return m
}

// mergeOutput 合并节点输出 []map → 单map
// 合并成你需要的 { key: { value: xxx } } 结构
func mergeModel(output node.ModelItem) map[string]any {
	m := make(map[string]any)

	// 遍历 output.ModelForm 里的每一个 key 和原始值
	for key, rawValue := range output.ModelForm {
		// 包装成 { "value": 原始值 }
		m[key] = map[string]any{
			"value": rawValue,
		}
	}

	return m
}

func StartLambda(ctx context.Context, input any) (any, error) {
	return input, nil
}

func FormLambda(ctx context.Context, input any) (any, error) {
	return input, nil
}

func IntentLambda(ctx context.Context, input any) (any, error) {
	nodeInput, ok := input.(*flowDto.NodeExecutionInput)
	if !ok {
		return nil, fmt.Errorf("入参类型错误，期望 *flowDto.NodeExecutionInput，实际 %T", input)
	}
	// 1. 直接用你原来的方法（返回两个 map）
	inputMap, outputMap, modelMap := GetNodeContextContent(nodeInput.Global, nodeInput.Config)
	var outputResult []node.NodeFormField
	for _, valueAny := range inputMap {
		if field, ok := valueAny.(node.NodeFormField); ok {
			outputResult = append(outputResult, field)
		}
	}
	for _, valueAny := range outputMap {
		if field, ok := valueAny.(node.NodeFormField); ok {
			if !strings.Contains(field.Field, "html") && !strings.Contains(field.Field, "img") {
				outputResult = append(outputResult, field)
			}
		}
	}
	for _, valueAny := range modelMap {
		if field, ok := valueAny.(node.NodeFormField); ok {
			outputResult = append(outputResult, field)
		}
	}

	nodeInput.Config.OutputResult = outputResult

	return nodeInput, nil
}

// JudgeLambda 分支判断核心：读取IntentLambda的输出 → 返回目标节点ID做路由
func JudgeLambda(ctx context.Context, input any) (string, error) {
	nodeInput, ok := input.(*flowDto.NodeExecutionInput)
	if !ok {
		return "", fmt.Errorf("入参类型错误，期望 *flowDto.NodeExecutionInput，实际 %T", input)
	}

	out := new([]node.NodeFormField)
	err := gconv.Structs(nodeInput.Config.OutputResult, out)
	if err != nil {
		return "", err
	}

	contextParts := ""
	for _, v := range nodeInput.Config.FormConfig {
		contextParts = fmt.Sprintf("%s,%s:%s", contextParts, v.Label, v.Value)
	}
	if !nodeInput.Global.IsDialogue {
		for _, v := range *out {
			contextParts = fmt.Sprintf("%s,%s:%s", contextParts, v.Label, v.Value)
		}
	}

	if !g.IsEmpty(nodeInput.Global.Desc) {
		contextParts = fmt.Sprintf("%s,%s:%s", contextParts, "描述", nodeInput.Global.Desc)
	}
	configMap := gconv.Map(nodeInput.Config.Config)
	ids := gconv.Strings(configMap["branch_ids"])
	branchIdNameMap := gconv.Map(configMap["branch_id_name_map"])

	// 【重构】构建提示词：展示ID和对应的名称
	var branchIdNameLines []string
	for _, id := range ids {
		name := gconv.String(branchIdNameMap[id])
		branchIdNameLines = append(branchIdNameLines, fmt.Sprintf("%s: %s", id, name))
	}

	getIsChatModel, err := GetIsChatModel(ctx)
	if err != nil {
		return "", err
	}

	req := flowDto.ComposeMessagesReq{
		BuildType: 2,
		ModelName: getIsChatModel.ModelName,
		SkillName: "",
		Cause:     "判断节点",
		Form:      map[string]any{"prompt": strings.Join(branchIdNameLines, "\n")},
		UserForm:  map[string]any{"prompt": contextParts},
		UserFiles: nodeInput.Global.FileUrl,
		SessionId: nodeInput.Global.SessionId,
	}
	msg, err := ComposeMessages(ctx, &req)
	if err != nil {
		return "", err
	}
	if g.IsEmpty(msg.Messages) {
		return "", fmt.Errorf("msg is empty")
	}

	content := ""
	for key, _ := range getIsChatModel.ResponseBody {
		content = gconv.String(msg.Messages[key])
	}

	fmt.Printf("JudgeLambda路由：目标节点ID=%s\n", gconv.String(content))

	return content, nil
}

// TextModelLambda 构建文案
func TextModelLambda(ctx context.Context, input any) (any, error) {
	nodeInput, ok := input.(*flowDto.NodeExecutionInput)
	if !ok {
		return nil, fmt.Errorf("入参类型错误")
	}

	// 1. 直接用你原来的方法（返回两个 map）
	inputMap, outputMap, modelMap := GetNodeContextContent(nodeInput.Global, nodeInput.Config)
	var outputResult []node.NodeFormField
	for _, valueAny := range inputMap {
		if field, ok := valueAny.(node.NodeFormField); ok {
			outputResult = append(outputResult, field)
		}
	}

	resultUserFrom := make(map[string]any)

	for _, valueAny := range outputMap {
		if field, ok := valueAny.(node.NodeFormField); ok {
			if !strings.Contains(field.Field, "text_url") && !strings.Contains(field.Field, "img_url") {
				if strings.Contains(field.Field, "text_content") {
					field.Value = stripHtmlTags(field.Value, false)
				}
				resultUserFrom[field.Label] = field
			}
		}
	}
	for _, valueAny := range modelMap {
		if field, ok := valueAny.(node.NodeFormField); ok {
			outputResult = append(outputResult, field)
		}
	}
	if !nodeInput.Global.IsDialogue {
		for _, item := range outputResult {
			resultUserFrom[item.Label] = item
		}
		for _, item := range nodeInput.Config.FormConfig {
			resultUserFrom[item.Label] = item
		}
	}
	if !g.IsEmpty(nodeInput.Global.Desc) {
		resultUserFrom["desc"] = node.NodeFormField{
			Value: nodeInput.Global.Desc,
			Field: "desc",
			Label: "描述",
			Type:  "text",
		}
	}
	resultFrom := make(map[string]any)
	for key, item := range nodeInput.Config.ModelConfig.ModelForm {
		resultFrom[key] = map[string]any{
			"value": item,
		}
	}
	var skillName = nodeInput.Config.SkillName
	if g.IsEmpty(nodeInput.Config.SkillName) {
		skillName = nodeInput.Global.SkillName
	}
	contentStr := "你是专业内容生成助手，请严格按以下规则输出内容：1、输出标准 HTML 片段，不要 Markdown，不要 ``` 符号，不要多余解释，2、整体用 <div class=\"report-container\"> 包裹，3、主标题使用 <h2 class=\"title\">，4、章节标题使用 <h3 class=\"section-title\">，5、正文段落使用 <p class=\"paragraph\">，6、列表使用 <ul class=\"list\"><li>...</li></ul>，7、重点内容使用 <strong> 加粗，8、段落之间清晰分隔，结构规整，9、如果生成多条文案，每条文案独立用 <div class=\"content-item\" id=\"content-{序号}\"> 包裹（序号从1开始），10、每条文案内部必须在最上方添加一行固定格式：<p class=\"image-count\">需要配图：N 张</p> N 是这条文案需要的图片数量，只能是数字，不能是其他文字，11、只输出 HTML 结构，不输出任何额外文字"
	resultUserFrom["prompt"] = contentStr

	req := flowDto.ComposeMessagesReq{
		BuildType: 1,
		ModelName: nodeInput.Config.ModelConfig.ModelName,
		SkillName: skillName,
		Cause:     "文案节点",
		Form:      resultFrom,
		UserForm:  resultUserFrom,
		UserFiles: nodeInput.Global.FileUrl,
		SessionId: nodeInput.Global.SessionId,
	}

	msg, err := ComposeMessages(ctx, &req)
	if err != nil {
		return nil, err
	}
	if g.IsEmpty(msg.Messages) {
		return nil, fmt.Errorf("msg is empty")
	}
	taskResult, err := GatewayTask(ctx, msg.EpicycleId, nodeInput.Config.ModelConfig.ModelName, msg.Messages)
	if err != nil {
		return nil, err
	}

	result, err := GetTaskResult(ctx, taskResult)
	if err != nil {
		return "", err
	}
	mapTaskResult := gconv.Map(result.Text)

	resultContent := ""
	for key, _ := range nodeInput.Config.ModelConfig.ModelResponse {
		resultContent = gconv.String(mapTaskResult[key])
	}

	// 拆分多条文案
	contentList := SplitMultiContents(resultContent)

	outputRes := make([]node.NodeFormField, 0)
	for i, content := range contentList {
		// 文案内容：content_0, content_1, content_2...
		outputRes = append(outputRes, node.NodeFormField{
			Field:  fmt.Sprintf("text_content_%d", i),
			Value:  content,
			Label:  fmt.Sprintf("文案内容_%d", i),
			Type:   "string",
			Expand: extractImageCount(content),
		})

		// 1. 去掉 HTML 标签，生成纯文本
		plainText := stripHtmlTags(content, true)
		// 2. 上传纯文本到 OSS
		textFileName := fmt.Sprintf("ai_text_%d_%d.txt", time.Now().UnixMilli(), i)
		textUrl, err := Upload(ctx, &dto.UploadFileBytesReq{
			FileBytes: []byte(plainText),
			FileName:  textFileName,
		})
		if err != nil {
			return nil, err
		}
		// 3. 把纯文本地址存入输出
		outputRes = append(outputRes, node.NodeFormField{
			Field:  fmt.Sprintf("%v:text_url:%d", nodeInput.Config.Id, i),
			Value:  textUrl.FileURL,
			Label:  fmt.Sprintf("文案纯文本_txt_%d", i),
			Type:   "string",
			Expand: extractImageCount(content),
		})
	}
	nodeInput.Config.OutputResult = outputRes

	return nodeInput, nil
}

// 从 HTML 内容里提取图片数量（例如从 <p class="image-count">需要配图：3 张</p> 拿到 3）
func extractImageCount(content string) int {
	re := regexp.MustCompile(`<p class="image-count">[^\d]*(\d+)[^\d]*</p>`)
	match := re.FindStringSubmatch(content)
	if len(match) >= 2 {
		num, _ := strconv.Atoi(match[1])
		return num
	}
	return 0
}

// stripHtmlTags 去掉所有HTML标签，保留换行和文本结构，并删除配图标记行
func stripHtmlTags(html string, delImageCount bool) string {
	if delImageCount {
		// 🔥 第一步：直接删除整个 <p class="image-count">...</p> 标签（包含内容）
		imageTagRegex := regexp.MustCompile(`<p class="image-count">[\s\S]*?</p>`)
		html = imageTagRegex.ReplaceAllString(html, "")
	}

	// 1. 替换块级标签为换行，保证排版
	blockTags := regexp.MustCompile(`</?(div|p|h1|h2|h3|h4|h5|h6|li|ul|ol|br|tr|td|th)[^>]*>`)
	text := blockTags.ReplaceAllString(html, "\n")

	// 2. 去掉所有剩余的 HTML 标签
	allTags := regexp.MustCompile(`<[^>]+>`)
	text = allTags.ReplaceAllString(text, "")

	// 4. 清理多余空行（多个换行只保留一个）
	text = regexp.MustCompile(`\n\s*\n`).ReplaceAllString(text, "\n")

	// 5. 只去掉首尾空白，中间换行保留
	text = strings.TrimSpace(text)

	return text
}

// SplitMultiContents 拆分模型返回的多条文案（基于HTML标签分隔）
func SplitMultiContents(htmlContent string) []string {
	var contents []string
	// 正则匹配<div class="content-item" id="content-{序号}">包裹的内容
	re := regexp.MustCompile(`<div class="content-item" id="content-\d+">([\s\S]*?)</div>`)
	matches := re.FindAllStringSubmatch(htmlContent, -1)
	for _, match := range matches {
		if len(match) > 1 {
			// 清理空内容
			trimmed := strings.TrimSpace(match[1])
			if trimmed != "" {
				contents = append(contents, trimmed)
			}
		}
	}
	// 兜底：如果没有匹配到结构化内容，按换行/分隔符拆分
	if len(contents) == 0 {
		contents = strings.Split(htmlContent, "===分隔符===") // 提示词中可新增此兜底规则
	}
	return contents
}

// ImageModelLambda 构建图片
func ImageModelLambda(ctx context.Context, input any) (any, error) {
	nodeInput, ok := input.(*flowDto.NodeExecutionInput)
	if !ok {
		return nil, fmt.Errorf("入参类型错误")
	}
	// 1. 直接用你原来的方法（返回两个 map）
	inputMap, outputMap, modelMap := GetNodeContextContent(nodeInput.Global, nodeInput.Config)
	var outputResult []node.NodeFormField
	for _, valueAny := range inputMap {
		if field, ok := valueAny.(node.NodeFormField); ok {
			outputResult = append(outputResult, field)
		}
	}

	resultUserFrom := make(map[string]any)

	for _, valueAny := range outputMap {
		if field, ok := valueAny.(node.NodeFormField); ok {
			if !strings.Contains(field.Field, "text_url") && !strings.Contains(field.Field, "img_url") {
				if strings.Contains(field.Field, "text_content") {
					field.Value = stripHtmlTags(field.Value, false)
				}
				resultUserFrom[field.Label] = field
			}
		}
	}
	for _, valueAny := range modelMap {
		if field, ok := valueAny.(node.NodeFormField); ok {
			outputResult = append(outputResult, field)
		}
	}

	if !nodeInput.Global.IsDialogue {
		for _, item := range outputResult {
			resultUserFrom[item.Label] = item
		}
		for _, item := range nodeInput.Config.FormConfig {
			resultUserFrom[item.Label] = item
		}
	}
	if !g.IsEmpty(nodeInput.Global.Desc) {
		resultUserFrom["desc"] = node.NodeFormField{
			Value: nodeInput.Global.Desc,
			Field: "desc",
			Label: "描述",
			Type:  "text",
		}
	}
	resultFrom := make(map[string]any)
	for key, item := range nodeInput.Config.ModelConfig.ModelForm {
		resultFrom[key] = map[string]any{
			"value": item,
		}
	}
	var skillName = nodeInput.Config.SkillName
	if g.IsEmpty(nodeInput.Config.SkillName) {
		skillName = nodeInput.Global.SkillName
	}

	req := flowDto.ComposeMessagesReq{
		BuildType: 1,
		ModelName: nodeInput.Config.ModelConfig.ModelName,
		SkillName: skillName,
		Cause:     "图片节点",
		Form:      resultFrom,
		UserForm:  resultUserFrom,
		UserFiles: nodeInput.Global.FileUrl,
		SessionId: nodeInput.Global.SessionId,
	}
	msg, err := ComposeMessages(ctx, &req)
	if err != nil {
		return nil, err
	}
	if g.IsEmpty(msg.Messages) {
		return nil, fmt.Errorf("msg is empty")
	}
	taskResult, err := GatewayTask(ctx, msg.EpicycleId, nodeInput.Config.ModelConfig.ModelName, msg.Messages)
	if err != nil {
		return "", err
	}

	result, err := GetTaskResult(ctx, taskResult)
	if err != nil {
		return "", err
	}

	mapTaskResult := gconv.Map(result.Text)

	imgs := []string{}
	for key, _ := range nodeInput.Config.ModelConfig.ModelResponse {
		imgs = gconv.Strings(mapTaskResult[key])
	}

	var images []string
	for _, item := range imgs {
		mapItem := gconv.Map(item)
		for _, value := range mapItem {
			values := ""
			values, ok = value.(string)
			if !ok {
				return nil, fmt.Errorf("图片地址类型错误")
			}
			// 下载官方临时图片
			imgBytes, _, err := GetImageBytesFromURL(values)
			if err != nil {
				return nil, fmt.Errorf("下载图片失败: %w", err)
			}
			// 构造文件名
			fileName := fmt.Sprintf("ai_image_%d.png", time.Now().UnixMilli())
			// 上传到你的OSS（你项目已有的Upload方法）
			upResp, err := Upload(ctx, &dto.UploadFileBytesReq{
				FileName:  fileName,
				FileBytes: imgBytes,
			})
			if err != nil {
				return nil, fmt.Errorf("上传OSS失败: %w", err)
			}
			images = append(images, upResp.FileURL)
		}
	}

	url, err := utils.GetFileAddressPrefix(ctx)
	if err != nil {
		return nil, err
	}
	outputRes := make([]node.NodeFormField, 0)

	for i, item := range images {
		// 图片：image_0, image_1, image_2...
		outputRes = append(outputRes, node.NodeFormField{
			Field: fmt.Sprintf("image_%d", i),
			Value: fmt.Sprintf("%s%s", url, item),
			Label: fmt.Sprintf("图片_%d", i),
			Type:  "string",
		})
		// 额外存储关联关系
		outputRes = append(outputRes, node.NodeFormField{
			Field: fmt.Sprintf("%v:img_url:%d", nodeInput.Config.Id, i),
			Value: fmt.Sprintf("%s%s", url, item),
			Label: fmt.Sprintf("图片_img_%d关联文案ID", i),
			Type:  "string",
		})
	}
	nodeInput.Config.OutputResult = outputRes
	return input, nil
}

func MergeLambda(ctx context.Context, input any) (any, error) {
	nodeInput, ok := input.(*flowDto.NodeExecutionInput)
	if !ok {
		return nil, fmt.Errorf("汇总节点入参类型错误")
	}

	// 1. 把所有节点输出拍平成 字段名->内容 的map
	dataMap := make(map[string]node.NodeFormField)
	_, outputMap, _ := GetNodeContextContent(nodeInput.Global, nodeInput.Config)
	for _, valueAny := range outputMap {
		if field, ok := valueAny.(node.NodeFormField); ok {
			dataMap[field.Field] = field
		}
	}

	// 2. 提取所有文案：text_content_0,1,2...
	var contents []node.NodeFormField
	for i := 0; ; i++ {
		key := fmt.Sprintf("text_content_%d", i)
		val, has := dataMap[key]
		if !has || val.Value == "" {
			break
		}
		contents = append(contents, val)
	}

	// 3. 提取所有图片：image_0,1,2...
	var images []string
	for i := 0; ; i++ {
		key := fmt.Sprintf("image_%d", i)
		val, has := dataMap[key]
		if !has || val.Value == "" {
			break
		}
		images = append(images, val.Value)
	}

	// 4. 🔥 核心算法：图片按顺序连续归属给每条文案
	textImgMap := make(map[int][]string) // key:文案下标，value:图片列表
	if len(contents) > 0 && len(images) > 0 {
		imgIndex := 0 // 当前用到第几张图片
		totalImg := len(images)

		for i, item := range contents {
			// 图片已分配完，直接退出
			if imgIndex >= totalImg {
				break
			}

			// 当前文案需要挂载的图片数量
			needCount := gconv.Int(item.Expand)
			if needCount <= 0 {
				continue
			}

			var imgList []string
			for imgc := 0; imgc < needCount; imgc++ {
				// 关键：必须判断是否越界
				if imgIndex >= totalImg {
					break
				}
				imgList = append(imgList, images[imgIndex])
				imgIndex++
			}

			// 有图片才存入 map
			if len(imgList) > 0 {
				textImgMap[i] = imgList
			}
		}
	}
	type Item struct {
		Content string   // 文案（可为空）
		Images  []string // 图片（可空、可多张）
	}

	// 🔥 把现有数据转换成通用 Item 列表（支持：纯文案、纯图片、图文任意组合）
	var allItems []Item

	// 情况1：有文案 → 按文案条目生成 Item（每条文案+对应图片）
	if len(contents) > 0 {
		for i, val := range contents {
			item := Item{
				Content: val.Value,     // 文案
				Images:  textImgMap[i], // 自动绑定该条目的图片（没有则为空切片）
			}
			allItems = append(allItems, item)
		}
	} else {
		// 情况2：没有文案，只有图片 → 每张/每组图片生成独立 Item（纯图片条目）
		if len(images) > 0 {
			for _, img := range images {
				allItems = append(allItems, Item{
					Content: "",
					Images:  []string{img},
				})
			}
		}
	}

	// 5. 生成多条独立HTML记录（通用方案：任意图文组合，每条独立生成+独立上传）
	var outputRecords []node.NodeFormField

	// 遍历所有【独立图文条目】 → 每条生成独立HTML、独立上传OSS、独立输出记录
	for idx, item := range allItems {
		// item 结构包含：Content(string) + Images([]string)
		// 支持任意来源：文生图、图生文、单独文、单独图、文图合并

		// 生成单条HTML
		var htmlBuilder strings.Builder
		htmlBuilder.WriteString(`
<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
            background: #f5f5f5;
            color: #333;
            line-height: 1.8;
            padding: 20px;
        }
        .container {
            max-width: 900px;
            margin: 0 auto;
            background: #fff;
            border-radius: 12px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
            overflow: hidden;
        }
        .item {
            padding: 30px;
        }
        .image-group {
            margin-bottom: 25px;
        }
        .image-group img {
            width: 100%;
            height: auto;
            display: block;
            margin-bottom: 15px;
            border-radius: 8px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        }
        .image-group img:last-child {
            margin-bottom: 0;
        }
        .text {
            padding: 0;
            font-size: 15px;
            line-height: 1.8;
            color: #555;
        }
        .text h2 {
            font-size: 28px;
            font-weight: bold;
            color: #1a1a1a;
            margin-bottom: 15px;
            line-height: 1.4;
        }
        .text h3 {
            font-size: 20px;
            font-weight: 600;
            color: #2c3e50;
            margin: 20px 0 12px;
            padding-left: 12px;
            border-left: 4px solid #409eff;
        }
        .text p {
            margin-bottom: 15px;
            text-align: justify;
        }
        .text strong {
            color: #e74c3c;
            font-weight: 600;
        }
        .text ul {
            list-style: none;
            padding: 0;
            margin: 15px 0;
        }
        .text ul li {
            padding: 10px 0 10px 30px;
            position: relative;
            line-height: 1.6;
        }
        .text ul li:before {
            content: "●";
            color: #409eff;
            font-size: 12px;
            position: absolute;
            left: 12px;
            top: 12px;
        }
        @media (max-width: 768px) {
            body {
                padding: 10px;
            }
            .item {
                padding: 20px;
            }
            .text h2 {
                font-size: 24px;
            }
            .text h3 {
                font-size: 18px;
            }
        }
    </style>
</head>
<body>
    <div class="container">
        <div class="item">
`)

		// 写入图片（支持0张、1张、多张）
		if len(item.Images) > 0 {
			htmlBuilder.WriteString(`<div class="image-group">`)
			for _, imgUrl := range item.Images {
				htmlBuilder.WriteString(fmt.Sprintf(`<img src="%s" alt="图片"/>`, imgUrl))
			}
			htmlBuilder.WriteString(`</div>`)
		}

		// 🔥 写入文案前：删除 <p class="image-count">需要配图：X 张</p>
		if item.Content != "" {
			// 正则删除整行
			re := regexp.MustCompile(`<p class="image-count">需要配图：\d+ 张</p>`)
			cleanContent := re.ReplaceAllString(item.Content, "")

			// 写入清理后的文案
			htmlBuilder.WriteString(fmt.Sprintf(`<div class="text">%s</div>`, cleanContent))
		}

		htmlBuilder.WriteString(`</div>
    </div>
</body>
</html>`)
		htmlContent := htmlBuilder.String()

		// 上传OSS（每条独立上传）
		fileName := fmt.Sprintf("item_%d_%d.html", idx, time.Now().UnixMilli())
		ossResult, err := Upload(ctx, &dto.UploadFileBytesReq{
			FileBytes: []byte(htmlContent),
			FileName:  fileName,
		})
		if err != nil {
			return nil, err
		}

		// 拼接成一条输出记录
		// 每条记录包含：HTML内容 + 访问URL + 文案 + 图片列表
		outputRecords = append(outputRecords,
			node.NodeFormField{
				Field: fmt.Sprintf("item_html_%d", idx),
				Value: htmlContent,
				Label: fmt.Sprintf("条目%d HTML", idx+1),
				Type:  "textarea",
			},
			node.NodeFormField{
				Field: fmt.Sprintf("item_html_url_%d", idx),
				Value: ossResult.FileURL,
				Label: fmt.Sprintf("条目%d 地址", idx+1),
				Type:  "text",
			},
			node.NodeFormField{
				Field: fmt.Sprintf("item_text_%d", idx),
				Value: item.Content,
				Label: fmt.Sprintf("条目%d 文案", idx+1),
				Type:  "text",
			},
			node.NodeFormField{
				Field: fmt.Sprintf("item_images_%d", idx),
				Value: strings.Join(item.Images, ","),
				Label: fmt.Sprintf("条目%d 图片", idx+1),
				Type:  "text",
			},
		)
	}

	// 最终输出多条记录
	nodeInput.Config.OutputResult = outputRecords
	return nodeInput, nil
}

func SummaryLambda(ctx context.Context, input any) (any, error) {
	execInput, ok := input.(*flowDto.NodeExecutionInput)
	if !ok {
		return nil, fmt.Errorf("汇总节点入参类型错误，实际是 %T", input)
	}

	// 聚合所有已执行节点的输出结果
	var summaryResult []map[string]interface{}
	for _, nodeID := range execInput.Global.ExecutedNodes {
		nodeConfig := execInput.Global.ConfigMap[nodeID]
		if nodeConfig != nil && len(nodeConfig.OutputResult) > 0 {
			for _, field := range nodeConfig.OutputResult {
				if strings.Contains(field.Field, "item_html_url") || strings.Contains(field.Field, "img_url") || strings.Contains(field.Field, "text_url") {
					// 生成 毫秒时间戳 作为 KEY
					timeKey := strconv.FormatInt(time.Now().UnixMilli(), 10)
					item := make(map[string]interface{})
					item[timeKey] = field.Value
					summaryResult = append(summaryResult, item)
				}
			}
		}
	}

	// 把汇总结果存入当前节点的输出
	g.Log().Info(ctx, fmt.Sprintf("结果汇总完成，汇总数据：%+v", summaryResult))

	err := gfdb.DB(ctx, public.DbNameBlackDeacon).Transaction(ctx, func(ctx context.Context, tx gdb.TX) error {
		flowInfo, err := flowDao.FlowExecutionDao.Get(ctx, &flowDto.GetFlowExecutionReq{
			SessionId: execInput.Global.SessionId,
		})
		if err != nil {
			return err
		}

		executionReq := flowDto.UpdateFlowExecutionReq{
			Id:           execInput.Global.ExecutionId,
			OutputParams: summaryResult,
		}
		executionReq.Status = flow.FlowExecutionStatusSuccess.Code()
		_, err = flowDao.FlowExecutionDao.Update(ctx, &executionReq)

		if flowInfo != nil {
			var url string
			url, err = utils.GetFileAddressPrefix(ctx)
			if err != nil {
				return err
			}

			createFileTempReq := make([]*fileDto.CreateFileTempReq, 0, len(flowInfo.OutputParams))
			for _, fileUrl := range flowInfo.OutputParams {
				m := gconv.Map(fileUrl)
				for _, v := range m {
					var createReq = new(fileDto.CreateFileTempReq)
					createReq.BusinessId = flowInfo.SessionId
					createReq.FileUrl = url + gconv.String(v)
					createFileTempReq = append(createFileTempReq, createReq)
				}
			}
			if len(createFileTempReq) > 0 {
				_, err = fileDao.FileTempDao.BatchInsert(ctx, createFileTempReq)
				if err != nil {
					return err
				}
			}
		}
		return nil
	})

	return execInput, err
}

// VideoModelLambda 构建视频
func VideoModelLambda(ctx context.Context, input any) (any, error) {
	fmt.Println("VideoModelLambda:", input)
	return input, nil
}

// AudioModelLambda 构建音频
func AudioModelLambda(ctx context.Context, input any) (any, error) {
	fmt.Println("AudioModelLambda:", input)
	return input, nil
}

// CustomLambda 构建自定义
func CustomLambda(ctx context.Context, input any) (any, error) {
	fmt.Println("CustomLambda:", input)
	return input, nil
}