package handlers

import (
	"net/http"
	"strconv"
	"time"

	"github.com/gin-gonic/gin"
	"gorm.io/gorm"

	"everypublish/server/internal/api/response"
	"everypublish/server/internal/models"
)

// ChallengeHandler 二次验证挑战处理器
type ChallengeHandler struct {
	DB *gorm.DB
}

// List 挑战列表（过期软置 expired）
func (h *ChallengeHandler) List(c *gin.Context) {
	h.DB.Model(&models.Challenge{}).
		Where("workspace_id = ? and status = ? and expires_at < ?", c.GetUint64("wsid"), "active", time.Now()).
		Update("status", "expired")
	q := h.DB.Model(&models.Challenge{}).Where("workspace_id = ?", c.GetUint64("wsid"))
	if s := c.Query("status"); s != "" {
		q = q.Where("status = ?", s)
	}
	if a := c.Query("accountId"); a != "" {
		q = q.Where("account_id = ?", a)
	}
	var list []models.Challenge
	q.Order("id desc").Limit(100).Find(&list)
	response.OK(c, gin.H{"list": list})
}

// Solve 人工完成挑战（验证码/APP确认；扫码由 Agent 完成）
func (h *ChallengeHandler) Solve(c *gin.Context) {
	id, err := strconv.ParseUint(c.Param("id"), 10, 64)
	if err != nil {
		response.Fail(c, http.StatusBadRequest, 1001, "参数不合法")
		return
	}
	var req struct {
		Value string `json:"value"`
	}
	_ = c.ShouldBindJSON(&req)
	var challenge models.Challenge
	if err = h.DB.Where("id = ? and workspace_id = ?", id, c.GetUint64("wsid")).First(&challenge).Error; err != nil {
		response.Fail(c, http.StatusNotFound, 1004, "挑战不存在")
		return
	}
	if challenge.Status != "active" {
		response.Fail(c, http.StatusConflict, 3003, "挑战已结束")
		return
	}
	now := time.Now()
	if err = h.DB.Model(&challenge).Updates(map[string]interface{}{"status": "solved", "solved_at": &now}).Error; err != nil {
		response.Fail(c, http.StatusInternalServerError, 5000, "更新失败")
		return
	}
	response.Audit(c, "challenge.solve", "challenge:"+itoa(id), gin.H{"kind": challenge.Kind})
	response.OK(c, nil)
}

// Resend 一键重发（重置过期时间，实际重发出 Agent 执行）
func (h *ChallengeHandler) Resend(c *gin.Context) {
	id, err := strconv.ParseUint(c.Param("id"), 10, 64)
	if err != nil {
		response.Fail(c, http.StatusBadRequest, 1001, "参数不合法")
		return
	}
	var challenge models.Challenge
	if err = h.DB.Where("id = ? and workspace_id = ?", id, c.GetUint64("wsid")).First(&challenge).Error; err != nil {
		response.Fail(c, http.StatusNotFound, 1004, "挑战不存在")
		return
	}
	if challenge.Status != "expired" && challenge.Status != "suspended" {
		response.Fail(c, http.StatusConflict, 3003, "当前状态不可重发")
		return
	}
	if err = h.DB.Model(&challenge).Updates(map[string]interface{}{
		"status": "active", "expires_at": time.Now().Add(30 * time.Minute),
	}).Error; err != nil {
		response.Fail(c, http.StatusInternalServerError, 5000, "更新失败")
		return
	}
	response.Audit(c, "challenge.resend", "challenge:"+itoa(id), nil)
	response.OK(c, nil)
}

// Suspend 挂起（超时/人工）
func (h *ChallengeHandler) Suspend(c *gin.Context) {
	id, err := strconv.ParseUint(c.Param("id"), 10, 64)
	if err != nil {
		response.Fail(c, http.StatusBadRequest, 1001, "参数不合法")
		return
	}
	var challenge models.Challenge
	if err = h.DB.Where("id = ? and workspace_id = ?", id, c.GetUint64("wsid")).First(&challenge).Error; err != nil {
		response.Fail(c, http.StatusNotFound, 1004, "挑战不存在")
		return
	}
	if challenge.Status != "active" {
		response.Fail(c, http.StatusConflict, 3003, "挑战已结束")
		return
	}
	if err = h.DB.Model(&challenge).Update("status", "suspended").Error; err != nil {
		response.Fail(c, http.StatusInternalServerError, 5000, "更新失败")
		return
	}
	response.Audit(c, "challenge.suspend", "challenge:"+itoa(id), nil)
	response.OK(c, nil)
}