package sniper

import (
	"fmt"
	"strconv"
	"strings"
)

// TargetSummary 把目标列表渲染成「13437(冠军之刃)」这样的单行摘要，供启动日志使用。
//
// 2026-10-16 的复盘正卡在「日志里没有目标 pid」：三台机器都只记了 sid 与 targets=1，
// 看不出各自打的是哪个奖品，也就无法解释为什么一台售罄、另一台库存完好。
func TargetSummary(targets []Target) string {
	parts := make([]string, 0, len(targets))
	for _, target := range targets {
		name := strings.TrimSpace(target.Name)
		switch {
		case target.PID > 0 && name != "":
			parts = append(parts, fmt.Sprintf("%d(%s)", target.PID, name))
		case target.PID > 0:
			parts = append(parts, strconv.FormatInt(int64(target.PID), 10))
		case name != "":
			parts = append(parts, name)
		case target.Auto:
			parts = append(parts, "自动选择")
		}
	}
	if len(parts) == 0 {
		return "未指定"
	}
	return strings.Join(parts, ",")
}

// CategoryLabel 返回结局分类的中文短标签，供任务结束时的结局日志使用。
func CategoryLabel(category string) string {
	switch category {
	case CategorySuccess:
		return "已抢到"
	case CategorySoldOut:
		return "售罄"
	case CategoryTooFrequent:
		return "被限流"
	case CategoryNotOpen:
		return "未开放"
	case CategoryNotEnough:
		return "积分不足"
	case CategoryAlreadyDone:
		return "已兑换过"
	case CategoryOffShelf:
		return "已下架"
	case CategorySessionLost:
		return "会话失效"
	case CategoryProtocol:
		return "协议异常"
	case CategoryCondition:
		return "条件未达成"
	case CategoryNotFound:
		return "未匹配到奖品"
	case CategoryError:
		return "请求异常"
	default:
		return "失败"
	}
}

// CategoryText 把类目限制渲染成日志文案（空串表示不限类目）。
func CategoryText(category string) string {
	key := strings.TrimSpace(category)
	if key == "" {
		return "不限"
	}
	return key
}

// LogLevelForCategory 把结果分类映射成日志等级，供界面按等级高亮与筛选。
func LogLevelForCategory(category string) string {
	switch category {
	case CategorySuccess:
		return "success"
	case CategoryError, CategoryProtocol:
		return "error"
	case CategoryFailed, CategoryTooFrequent, CategoryCondition, CategorySessionLost:
		return "warn"
	default:
		return "info"
	}
}