// Copyright 2014 The Gogs Authors. All rights reserved.
// Copyright 2020 The Gitea Authors.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.

package org

import (
	"net/http"

	"code.gitea.io/gitea/models"
	"code.gitea.io/gitea/modules/base"
	"code.gitea.io/gitea/modules/context"
	"code.gitea.io/gitea/modules/log"
	"code.gitea.io/gitea/modules/setting"
)

const (
	// tplMembers template for organization members page
	tplMembers base.TplName = "org/member/members"
)

// Members render organization users page
func Members(ctx *context.Context) {
	org := ctx.Org.Organization
	ctx.Data["Title"] = org.FullName
	ctx.Data["PageIsOrgMembers"] = true

	page := ctx.FormInt("page")
	if page <= 1 {
		page = 1
	}

	var opts = &models.FindOrgMembersOpts{
		OrgID:      org.ID,
		PublicOnly: true,
	}

	if ctx.User != nil {
		isMember, err := ctx.Org.Organization.IsOrgMember(ctx.User.ID)
		if err != nil {
			ctx.Error(http.StatusInternalServerError, "IsOrgMember")
			return
		}
		opts.PublicOnly = !isMember && !ctx.User.IsAdmin
	}

	total, err := models.CountOrgMembers(opts)
	if err != nil {
		ctx.Error(http.StatusInternalServerError, "CountOrgMembers")
		return
	}

	pager := context.NewPagination(int(total), setting.UI.MembersPagingNum, page, 5)
	opts.ListOptions.Page = page
	opts.ListOptions.PageSize = setting.UI.MembersPagingNum
	members, membersIsPublic, err := models.FindOrgMembers(opts)
	if err != nil {
		ctx.ServerError("GetMembers", err)
		return
	}
	ctx.Data["Page"] = pager
	ctx.Data["Members"] = members
	ctx.Data["MembersIsPublicMember"] = membersIsPublic
	ctx.Data["MembersIsUserOrgOwner"] = models.IsUserOrgOwner(members, org.ID)
	ctx.Data["MembersTwoFaStatus"] = members.GetTwoFaStatus()

	ctx.HTML(http.StatusOK, tplMembers)
}

// MembersAction response for operation to a member of organization
func MembersAction(ctx *context.Context) {
	uid := ctx.FormInt64("uid")
	if uid == 0 {
		ctx.Redirect(ctx.Org.OrgLink + "/members")
		return
	}

	org := ctx.Org.Organization
	var err error
	switch ctx.Params(":action") {
	case "private":
		if ctx.User.ID != uid && !ctx.Org.IsOwner {
			ctx.Error(http.StatusNotFound)
			return
		}
		err = models.ChangeOrgUserStatus(org.ID, uid, false)
	case "public":
		if ctx.User.ID != uid && !ctx.Org.IsOwner {
			ctx.Error(http.StatusNotFound)
			return
		}
		err = models.ChangeOrgUserStatus(org.ID, uid, true)
	case "remove":
		if !ctx.Org.IsOwner {
			ctx.Error(http.StatusNotFound)
			return
		}
		err = org.RemoveMember(uid)
		if models.IsErrLastOrgOwner(err) {
			ctx.Flash.Error(ctx.Tr("form.last_org_owner"))
			ctx.JSON(http.StatusOK, map[string]interface{}{
				"redirect": ctx.Org.OrgLink + "/members",
			})
			return
		}
	case "leave":
		err = org.RemoveMember(ctx.User.ID)
		if models.IsErrLastOrgOwner(err) {
			ctx.Flash.Error(ctx.Tr("form.last_org_owner"))
			ctx.JSON(http.StatusOK, map[string]interface{}{
				"redirect": ctx.Org.OrgLink + "/members",
			})
			return
		}
	}

	if err != nil {
		log.Error("Action(%s): %v", ctx.Params(":action"), err)
		ctx.JSON(http.StatusOK, map[string]interface{}{
			"ok":  false,
			"err": err.Error(),
		})
		return
	}

	redirect := ctx.Org.OrgLink + "/members"
	if ctx.Params(":action") == "leave" {
		redirect = setting.AppSubURL + "/"
	}

	ctx.JSON(http.StatusOK, map[string]interface{}{
		"redirect": redirect,
	})
}
