// Serves the Problem Page
// To-do: Show recently solved users and their language on sidebar
// To-do: Later, add least execution time log on sidebar
func (this *ProblemController) ProblemById() {
	pid := this.Ctx.Input.Param(":id")
	id, err := strconv.Atoi(pid)
	if err != nil {
		// Redirect to 404
		this.Abort("404")
	}
	p := models.Problem{Pid: id}
	p.GetById()
	if strings.Contains(p.Type, "contest") {
		this.Redirect("/", 302)
		return
	}
	log := models.Problemlogs{Pid: id}
	logs, count := log.GetRecentByPid()
	users := make(map[int]models.User)
	if count == 0 {
		this.Data["recentlySolvedUsersExist"] = false
	} else {
		this.Data["recentlySolvedUsersExist"] = true
		for index, element := range logs {
			u := models.User{Uid: element.Uid}
			u.GetUserInfo()
			users[index] = u
		}
	}

	//Author added
	user := models.User{}
	user.Uid = p.Uid
	user.GetUserInfo()
	this.Data["title"] = p.Statement
	this.Data["problem"] = p
	this.Data["Author"] = user.Username
	this.Data["recentlySolvedUsers"] = users

	// Handle problem log of a user
	if this.isLoggedIn() {
		problemLog := models.Problemlogs{}
		problemLog.Pid = p.Pid
		problemLog.Uid = p.Uid
		if problemLog.GetByPidUid() {
			this.Data["userScore"] = problemLog.Points
			this.Data["solvedCount"] = problemLog.Solved
		}
	}

	this.Layout = "layout.tpl"
	this.TplNames = "problem/show.tpl"
	this.LayoutSections = make(map[string]string)
	this.LayoutSections["HtmlHead"] = "problem/submit_head.tpl"
	this.LayoutSections["Sidebar"] = "sidebar/recently_solved_by.tpl"
}
// /contest/:name/:pid
func (this *ContestController) GetProblem() {
	pid := this.Ctx.Input.Param(":id")
	contestName := this.Ctx.Input.Param(":name")
	id, err := strconv.Atoi(pid)
	if err != nil {
		// Redirect to 404
		this.Abort("404")
	}
	p := models.Problem{Pid: id}
	p.GetById()
	check := strings.Contains(p.Type, contestName)
	if !check {
		this.Redirect("/contest/"+contestName, 302)
		return
	}
	log := models.Problemlogs{Pid: id}
	logs, count := log.GetRecentByPid()
	users := make(map[int]models.User)
	if count == 0 {
		this.Data["recentlySolvedUsersExist"] = false
	} else {
		this.Data["recentlySolvedUsersExist"] = true
		for index, element := range logs {
			u := models.User{Uid: element.Uid}
			u.GetUserInfo()
			users[index] = u
		}
	}

	this.Data["title"] = p.Statement
	this.Data["problem"] = p
	this.Data["Author"] = contestName
	this.Data["recentlySolvedUsers"] = users

	// Handle problem log of a user
	if this.isLoggedIn() {
		problemLog := models.Problemlogs{}
		problemLog.Pid = p.Pid
		problemLog.Uid = p.Uid
		if problemLog.GetByPidUid() {
			this.Data["userScore"] = problemLog.Points
			this.Data["solvedCount"] = problemLog.Solved
		}
	}
}