package utils

import (
	"code-review/services/types"
	"fmt"
	"strings"
)

// GetString 从 map 中安全获取字符串值
func GetString(m map[string]interface{}, key string) string {
	if v, ok := m[key].(string); ok {
		return v
	}
	return ""
}

// GetFloat64 从 map 中安全获取 float64 值
func GetFloat64(m map[string]interface{}, key string) float64 {
	if v, ok := m[key].(float64); ok {
		return v
	}
	return 0
}

// GetBool 从 map 中安全获取布尔值
func GetBool(m map[string]interface{}, key string) bool {
	if v, ok := m[key].(bool); ok {
		return v
	}
	return false
}

// GetInt 从 map 中安全获取整数值
func GetInt(m map[string]interface{}, key string) int {
	if v, ok := m[key].(float64); ok {
		return int(v)
	}
	return 0
}

// GetIntPtr 从 map 中安全获取整数指针值
func GetIntPtr(m map[string]interface{}, key string) *int {
	if v, ok := m[key].(float64); ok {
		intVal := int(v)
		return &intVal
	}
	return nil
}

// GetIntOk 从 map 中获取 int 值，并返回是否存在
func GetIntOk(m map[string]interface{}, key string) (int, bool) {
	if val, ok := m[key]; ok {
		switch v := val.(type) {
		case float64:
			return int(v), true
		case int:
			return v, true
		case int64:
			return int(v), true
		}
	}
	return 0, false
}

// FormatReviewResult 将审查结果格式化为 Markdown 格式
func FormatReviewResult(result *types.ReviewResult) string {
	var body strings.Builder

	// 添加摘要
	if result.Summary != "" {
		body.WriteString("## 审查摘要\n\n")
		body.WriteString(result.Summary)
		body.WriteString("\n\n")
	}

	// 添加详细评论
	if len(result.Comments) > 0 {
		body.WriteString("## 详细评论\n\n")
		for _, comment := range result.Comments {
			if comment.Path != "全局" {
				body.WriteString(fmt.Sprintf("### %s\n\n", comment.Path))
			}
			body.WriteString(comment.Content)
			body.WriteString("\n\n")
		}
	}

	return body.String()
}

// ParseFileType 将文件变更类型字符串转换为 ChangeType
func ParseFileType(t string) types.ChangeType {
	switch t {
	case "add", "added":
		return types.Added
	case "modify", "modified":
		return types.Modified
	case "delete", "deleted":
		return types.Deleted
	case "renamed":
		return types.Renamed
	default:
		return types.Modified
	}
}