package wechat

import (
	"strings"
	"time"
)

// CheckinMessage matches template 15198: 留言内容、打卡时间、温馨提示。
// Persist the note on the activity so immediate sends and retries use the same content.
func CheckinMessage(title, note, timestamp string) map[string]string {
	content := strings.TrimSpace(note)
	if content == "" {
		content = title
		if !strings.HasPrefix(content, "打卡「") {
			content = "打卡「" + content + "」"
		}
	}
	// Database rows may use RFC3339; display all check-in times in China time.
	for _, layout := range []string{time.RFC3339Nano, "2006-01-02 15:04:05"} {
		if t, err := time.ParseInLocation(layout, timestamp, time.FixedZone("CST", 8*3600)); err == nil {
			timestamp = t.In(time.FixedZone("CST", 8*3600)).Format("2006年01月02日 15:04")
			break
		}
	}
	return normalizeSubscribeData(map[string]string{
		"thing1": content,
		"time2":  timestamp,
		"thing3": "TA已完成打卡，点击看看吧",
	})
}

// ReminderMessage adapts all activity notifications to the shared three-field
// template. Legacy callers keep their content and landing page.
func ReminderMessage(data map[string]string) map[string]string {
	if data["time2"] != "" {
		return normalizeSubscribeData(map[string]string{"thing1": data["thing1"], "time2": data["time2"], "thing3": data["thing3"]})
	}
	content := data["thing2"]
	if strings.TrimSpace(content) == "" {
		content = data["thing1"]
	}
	if strings.TrimSpace(content) == "" {
		content = "有新的记录"
	}
	stamp := data["event_time"]
	if stamp == "" {
		stamp = time.Now().In(time.FixedZone("CST", 8*3600)).Format("2006-01-02 15:04:05")
	}
	out := CheckinMessage("", content, stamp)
	out["thing3"] = data["thing4"]
	if strings.TrimSpace(out["thing3"]) == "" {
		out["thing3"] = "TA有新的动态，点击查看"
	}
	return normalizeSubscribeData(out)
}