package main

import (
	"fmt"
	"html/template"
	"os"
	"path/filepath"
)

func main() {
	// 模拟渲染器的数据结构
	tableName := "categories"
	
	// 模拟模板数据
	templateData := map[string]interface{}{
		"Table":       tableName,
		"TableAlias":  "分类",
		"Columns":     []interface{}{map[string]interface{}{"Name": "id", "Alias": "ID", "ShowInList": true}},
		"Data":        []interface{}{map[string]interface{}{"id": 1, "name": "测试"}},
		"Total":       1,
		"Page":        1,
		"PerPage":     10,
		"Pages":       1,
		"Search":      "",
		"SortField":   "",
		"SortOrder":   "asc",
		"Tables":      []interface{}{map[string]interface{}{"Alias": "categories"}},
		"CurrentPath": "/",
		"StartRecord": 1,
		"EndRecord":   1,
		"LastUpdate":  "2025-08-07",
	}

	// 加载并测试模板
	builtinPath, _ := filepath.Abs("./web/templates/builtin")
	
	// 基础模板函数
	funcs := template.FuncMap{
		"dict": func(values ...interface{}) map[string]interface{} {
			dict := make(map[string]interface{})
			for i := 0; i < len(values); i += 2 {
				if i+1 < len(values) {
					key := fmt.Sprintf("%v", values[i])
					dict[key] = values[i+1]
				}
			}
			return dict
		},
		"add": func(a, b int) int { return a + b },
		"sub": func(a, b int) int { return a - b },
		"json": func(v interface{}) string {
			return fmt.Sprintf("%v", v)
		},
	}

	// 加载布局模板
	layoutPath := filepath.Join(builtinPath, "layout.html")
	listPath := filepath.Join(builtinPath, "list.html")
	
	// 解析模板
	tmpl := template.New("test").Funcs(funcs)
	
	// 读取并解析布局
	layoutContent, err := os.ReadFile(layoutPath)
	if err != nil {
		fmt.Printf("Error reading layout: %v\n", err)
		return
	}
	
	// 读取并解析列表模板
	listContent, err := os.ReadFile(listPath)
	if err != nil {
		fmt.Printf("Error reading list: %v\n", err)
		return
	}

	// 解析模板内容
	tmpl, err = tmpl.Parse(string(layoutContent))
	if err != nil {
		fmt.Printf("Error parsing layout: %v\n", err)
		return
	}
	
	tmpl, err = tmpl.Parse(string(listContent))
	if err != nil {
		fmt.Printf("Error parsing list: %v\n", err)
		return
	}

	// 测试渲染
	fmt.Println("Testing template render...")
	err = tmpl.ExecuteTemplate(os.Stdout, "layout", templateData)
	if err != nil {
		fmt.Printf("Error executing template: %v\n", err)
		return
	}
	
	fmt.Println("\nTemplate render test completed successfully!")
}