package handler

import (
	"log"
	"net/http"
	"time"

	"github.com/gin-gonic/gin"

	"wx_service/internal/achievement"
	"wx_service/internal/middleware"
	"wx_service/internal/model"
)

func (h *SmokeHandler) ListAchievementThemes(c *gin.Context) {
	themes, err := h.achievementService.ListActiveThemes(c.Request.Context())
	if err != nil {
		c.JSON(http.StatusInternalServerError, model.Error(http.StatusInternalServerError, "获取成就主题失败"))
		return
	}
	c.JSON(http.StatusOK, model.Success(gin.H{"themes": themes}))
}

func (h *SmokeHandler) GetAchievement(c *gin.Context) {
	user := middleware.MustCurrentUser(c)
	ctx := c.Request.Context()
	uid := int(user.ID)
	now := time.Now()

	profile, err := h.smokeProfileService.Get(ctx, uid)
	if err != nil {
		c.JSON(http.StatusInternalServerError, model.Error(http.StatusInternalServerError, "获取用户信息失败"))
		return
	}
	if profile == nil || profile.AchievementThemeID == nil {
		c.JSON(http.StatusOK, model.Success(gin.H{"achievement": nil}))
		return
	}

	var days int
	if profile.Mode == "quit" {
		homeData, err := h.quitCheckinService.Home(ctx, uid, now)
		if err != nil {
			log.Printf("achievement: quitcheckin home err uid=%d: %v", uid, err)
			days = 0
		} else {
			days = homeData.Summary.CurrentStreakDays
		}
	} else {
		streakDays, err := h.smokeLogService.GetStreakDays(ctx, uid, now)
		if err != nil {
			log.Printf("achievement: smoke streak err uid=%d: %v", uid, err)
			days = 0
		}
		days = streakDays
	}

	ach, err := h.achievementService.GetUserAchievement(ctx, *profile.AchievementThemeID, days)
	if err != nil {
		if err == achievement.ErrThemeNotFound {
			c.JSON(http.StatusOK, model.Success(gin.H{"achievement": nil}))
			return
		}
		c.JSON(http.StatusInternalServerError, model.Error(http.StatusInternalServerError, "获取成就信息失败"))
		return
	}

	c.JSON(http.StatusOK, model.Success(gin.H{"achievement": ach}))
}