// https://github.com/gogits/go-gogs-client/wiki/Users-Public-Keys#list-public-keys-for-a-user
func ListPublicKeys(ctx *context.APIContext) {
	user := GetUserByParams(ctx)
	if ctx.Written() {
		return
	}
	listPublicKeys(ctx, user.ID)
}

// https://github.com/gogits/go-gogs-client/wiki/Users-Followers#check-if-you-are-following-a-user
func CheckMyFollowing(ctx *context.APIContext) {
	target := GetUserByParams(ctx)
	if ctx.Written() {
		return
	}
	checkUserFollowing(ctx, ctx.User, target.ID)
}

// https://github.com/gogits/go-gogs-client/wiki/Administration-Users#create-a-public-key-for-user
func CreatePublicKey(ctx *context.APIContext, form api.CreateKeyOption) {
	u := user.GetUserByParams(ctx)
	if ctx.Written() {
		return
	}
	user.CreateUserPublicKey(ctx, form, u.ID)
}

// https://github.com/gogits/go-gogs-client/wiki/Users-Followers#list-users-followed-by-another-user
func ListFollowing(ctx *context.APIContext) {
	u := GetUserByParams(ctx)
	if ctx.Written() {
		return
	}
	listUserFollowing(ctx, u)
}

func EditMilestone(ctx *context.APIContext, form api.EditMilestoneOption) {
	milestone, err := models.GetMilestoneByRepoID(ctx.Repo.Repository.ID, ctx.ParamsInt64(":id"))
	if err != nil {
		if models.IsErrMilestoneNotExist(err) {
			ctx.Status(404)
		} else {
			ctx.Error(500, "GetMilestoneByRepoID", err)
		}
		return
	}

	if len(form.Title) > 0 {
		milestone.Name = form.Title
	}
	if form.Description != nil {
		milestone.Content = *form.Description
	}
	if form.Deadline != nil && !form.Deadline.IsZero() {
		milestone.Deadline = *form.Deadline
	}

	if err := models.UpdateMilestone(milestone); err != nil {
		ctx.Handle(500, "UpdateMilestone", err)
		return
	}
	ctx.JSON(200, milestone.APIFormat())
}

func HandleCheckKeyStringError(ctx *context.APIContext, err error) {
	if models.IsErrKeyUnableVerify(err) {
		ctx.Error(422, "", "Unable to verify key content")
	} else {
		ctx.Error(422, "", fmt.Errorf("Invalid key content: %v", err))
	}
}

func checkUserFollowing(ctx *context.APIContext, u *models.User, followID int64) {
	if u.IsFollowing(followID) {
		ctx.Status(204)
	} else {
		ctx.Status(404)
	}
}

func responseApiUsers(ctx *context.APIContext, users []*models.User) {
	apiUsers := make([]*api.User, len(users))
	for i := range users {
		apiUsers[i] = users[i].APIFormat()
	}
	ctx.JSON(200, &apiUsers)
}

// https://github.com/gogits/go-gogs-client/wiki/Organizations#list-user-organizations
func ListUserOrgs(ctx *context.APIContext) {
	u := user.GetUserByParams(ctx)
	if ctx.Written() {
		return
	}
	listUserOrgs(ctx, u, false)
}

// https://github.com/gogits/go-gogs-client/wiki/Administration-Repositories#create-a-new-repository
func CreateRepo(ctx *context.APIContext, form api.CreateRepoOption) {
	owner := user.GetUserByParams(ctx)
	if ctx.Written() {
		return
	}

	repo.CreateUserRepo(ctx, owner, form)
}

// https://github.com/gogits/go-gogs-client/wiki/Repositories#get
func Get(ctx *context.APIContext) {
	_, repo := parseOwnerAndRepo(ctx)
	if ctx.Written() {
		return
	}

	ctx.JSON(200, repo.APIFormat(&api.Permission{true, true, true}))
}

func listUserFollowing(ctx *context.APIContext, u *models.User) {
	users, err := u.GetFollowing(ctx.QueryInt("page"))
	if err != nil {
		ctx.Error(500, "GetFollowing", err)
		return
	}
	responseApiUsers(ctx, users)
}

// https://github.com/gogits/go-gogs-client/wiki/Miscellaneous#render-a-markdown-document-in-raw-mode
func MarkdownRaw(ctx *context.APIContext) {
	body, err := ctx.Req.Body().Bytes()
	if err != nil {
		ctx.Error(422, "", err)
		return
	}
	ctx.Write(markdown.RenderRaw(body, ""))
}

// https://github.com/gogits/go-gogs-client/wiki/Repositories#create
func Create(ctx *context.APIContext, opt api.CreateRepoOption) {
	// Shouldn't reach this condition, but just in case.
	if ctx.User.IsOrganization() {
		ctx.Error(422, "", "not allowed creating repository for organization")
		return
	}
	CreateUserRepo(ctx, ctx.User, opt)
}

// https://github.com/gogits/go-gogs-client/wiki/Users-Followers#check-if-one-user-follows-another
func CheckFollowing(ctx *context.APIContext) {
	u := GetUserByParams(ctx)
	if ctx.Written() {
		return
	}
	target := GetUserByParamsName(ctx, ":target")
	if ctx.Written() {
		return
	}
	checkUserFollowing(ctx, u, target.ID)
}

// https://github.com/gogits/go-gogs-client/wiki/Users#create-a-access-token
func CreateAccessToken(ctx *context.APIContext, form api.CreateAccessTokenOption) {
	t := &models.AccessToken{
		UID:  ctx.User.ID,
		Name: form.Name,
	}
	if err := models.NewAccessToken(t); err != nil {
		ctx.Error(500, "NewAccessToken", err)
		return
	}
	ctx.JSON(201, &api.AccessToken{t.Name, t.Sha1})
}

// https://github.com/gogits/go-gogs-client/wiki/Users-Emails#list-email-addresses-for-a-user
func ListEmails(ctx *context.APIContext) {
	emails, err := models.GetEmailAddresses(ctx.User.ID)
	if err != nil {
		ctx.Error(500, "GetEmailAddresses", err)
		return
	}
	apiEmails := make([]*api.Email, len(emails))
	for i := range emails {
		apiEmails[i] = convert.ToEmail(emails[i])
	}
	ctx.JSON(200, &apiEmails)
}

func listUserOrgs(ctx *context.APIContext, u *models.User, all bool) {
	if err := u.GetOrganizations(all); err != nil {
		ctx.Error(500, "GetOrganizations", err)
		return
	}

	apiOrgs := make([]*api.Organization, len(u.Orgs))
	for i := range u.Orgs {
		apiOrgs[i] = convert.ToOrganization(u.Orgs[i])
	}
	ctx.JSON(200, &apiOrgs)
}

// https://github.com/gogits/go-gogs-client/wiki/Repositories#list-hooks
func ListHooks(ctx *context.APIContext) {
	hooks, err := models.GetWebhooksByRepoID(ctx.Repo.Repository.ID)
	if err != nil {
		ctx.Error(500, "GetWebhooksByRepoID", err)
		return
	}

	apiHooks := make([]*api.Hook, len(hooks))
	for i := range hooks {
		apiHooks[i] = convert.ToHook(ctx.Repo.RepoLink, hooks[i])
	}
	ctx.JSON(200, &apiHooks)
}

func ListMilestones(ctx *context.APIContext) {
	milestones, err := models.GetMilestonesByRepoID(ctx.Repo.Repository.ID)
	if err != nil {
		ctx.Error(500, "GetMilestonesByRepoID", err)
		return
	}

	apiMilestones := make([]*api.Milestone, len(milestones))
	for i := range milestones {
		apiMilestones[i] = milestones[i].APIFormat()
	}
	ctx.JSON(200, &apiMilestones)
}