package user

import (
	"github.com/veypi/vbase/cfg"
	"github.com/veypi/vbase/libs/auth"
	"github.com/veypi/vbase/models"
	"github.com/veypi/vigo"
)

type userIDReq struct {
	UserID string `src:"path@user_id" desc:"用户ID"`
}

var _ = Router.Delete("/{user_id}", "删除用户", auth.Check("user", "user_id", auth.DoDelete, checkOwner), userDelete)

func userDelete(x *vigo.X, req *userIDReq) (*models.User, error) {
	data := &models.User{}
	err := cfg.DB().Where("id = ?", req.UserID).Delete(data).Error
	return data, err
}

var _ = Router.Get("/{user_id}", "获取用户详情", auth.Check("user", "user_id", auth.DoRead, checkOwner), userGet)

func checkOwner(x *vigo.X, data any) bool {
	u, ok1 := data.(*models.User)
	return ok1 && u.ID == x.PathParams.Get("user_id")
}

func userGet(x *vigo.X, req *userIDReq) (*models.User, error) {
	data := &models.User{}
	err := cfg.DB().Where("id = ?", req.UserID).First(data).Error
	return data, err
}

type listReq struct {
	Page     int    `src:"query" json:"page" desc:"页码"`
	PageSize int    `src:"query" json:"page_size" desc:"每页数量"`
	Keyword  string `src:"query" json:"keyword" desc:"搜索关键词"`
}

type listResp struct {
	Items      []*models.User `json:"items"`
	Total      int64          `json:"total"`
	Page       int            `json:"page"`
	PageSize   int            `json:"page_size"`
	TotalPages int            `json:"total_pages"`
}

func userList(x *vigo.X, req *listReq) (*listResp, error) {
	if req.Page <= 0 {
		req.Page = 1
	}
	if req.PageSize <= 0 || req.PageSize > 100 {
		req.PageSize = 10
	}

	var total int64
	query := cfg.DB().Model(&models.User{})

	if req.Keyword != "" {
		query = query.Where("username LIKE ? OR nickname LIKE ? OR email LIKE ?", "%"+req.Keyword+"%", "%"+req.Keyword+"%", "%"+req.Keyword+"%")
	}

	if err := query.Count(&total).Error; err != nil {
		return nil, err
	}

	var items []*models.User
	offset := (req.Page - 1) * req.PageSize
	if err := query.Offset(offset).Limit(req.PageSize).Find(&items).Error; err != nil {
		return nil, err
	}

	totalPages := int((total + int64(req.PageSize) - 1) / int64(req.PageSize))

	return &listResp{
		Items:      items,
		Total:      total,
		Page:       req.Page,
		PageSize:   req.PageSize,
		TotalPages: totalPages,
	}, nil
}

var _ = Router.Get("/", "用户列表", auth.Check("user", "", auth.DoUpdate), userList)

var _ = Router.Patch("/{user_id}", "更新用户", auth.Check("user", "user_id", auth.DoUpdate, checkOwner), userPatch)

type patchOpts struct {
	ID       string  `json:"id"  src:"path@user_id" desc:"用户ID"`
	Nickname *string `json:"nickname"  src:"json" desc:"昵称"`
	Icon     *string `json:"icon"  src:"json" desc:"头像"`

	Username *string `json:"username"  src:"json" desc:"用户名"`
	Email    *string `json:"email"  src:"json" desc:"邮箱"`
	Phone    *string `json:"phone"  src:"json" desc:"手机号"`
	Status   *uint   `json:"status"  src:"json" desc:"状态"`
}

func userPatch(x *vigo.X, opts *patchOpts) (*models.User, error) {
	data := &models.User{}
	err := cfg.DB().Where("id = ?", opts.ID).First(data).Error
	if err != nil {
		return nil, vigo.ErrNotFound
	}

	optsMap := make(map[string]any)
	if opts.Username != nil {
		optsMap["username"] = opts.Username
	}
	if opts.Nickname != nil {
		optsMap["nickname"] = opts.Nickname
	}
	if opts.Icon != nil {
		optsMap["icon"] = opts.Icon
	}
	if opts.Email != nil {
		optsMap["email"] = opts.Email
	}
	if opts.Phone != nil {
		optsMap["phone"] = opts.Phone
	}
	if opts.Status != nil {
		optsMap["status"] = opts.Status
	}
	err = cfg.DB().Model(data).Updates(optsMap).Error

	return data, err
}