// 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 user

import (
	"net/http"

	activities_model "code.gitea.io/gitea/models/activities"
	user_model "code.gitea.io/gitea/models/user"
	"code.gitea.io/gitea/modules/context"
	"code.gitea.io/gitea/modules/convert"
	"code.gitea.io/gitea/routers/api/v1/utils"
)

// Search search users
func Search(ctx *context.APIContext) {
	// swagger:operation GET /users/search user userSearch
	// ---
	// summary: Search for users
	// produces:
	// - application/json
	// parameters:
	// - name: q
	//   in: query
	//   description: keyword
	//   type: string
	// - name: uid
	//   in: query
	//   description: ID of the user to search for
	//   type: integer
	//   format: int64
	// - name: page
	//   in: query
	//   description: page number of results to return (1-based)
	//   type: integer
	// - name: limit
	//   in: query
	//   description: page size of results
	//   type: integer
	// responses:
	//   "200":
	//     description: "SearchResults of a successful search"
	//     schema:
	//       type: object
	//       properties:
	//         ok:
	//           type: boolean
	//         data:
	//           type: array
	//           items:
	//             "$ref": "#/definitions/User"

	listOptions := utils.GetListOptions(ctx)

	users, maxResults, err := user_model.SearchUsers(&user_model.SearchUserOptions{
		Actor:       ctx.Doer,
		Keyword:     ctx.FormTrim("q"),
		UID:         ctx.FormInt64("uid"),
		Type:        user_model.UserTypeIndividual,
		ListOptions: listOptions,
	})
	if err != nil {
		ctx.JSON(http.StatusInternalServerError, map[string]interface{}{
			"ok":    false,
			"error": err.Error(),
		})
		return
	}

	ctx.SetLinkHeader(int(maxResults), listOptions.PageSize)
	ctx.SetTotalCountHeader(maxResults)

	ctx.JSON(http.StatusOK, map[string]interface{}{
		"ok":   true,
		"data": convert.ToUsers(ctx.Doer, users),
	})
}

// GetInfo get user's information
func GetInfo(ctx *context.APIContext) {
	// swagger:operation GET /users/{username} user userGet
	// ---
	// summary: Get a user
	// produces:
	// - application/json
	// parameters:
	// - name: username
	//   in: path
	//   description: username of user to get
	//   type: string
	//   required: true
	// responses:
	//   "200":
	//     "$ref": "#/responses/User"
	//   "404":
	//     "$ref": "#/responses/notFound"

	if !user_model.IsUserVisibleToViewer(ctx, ctx.ContextUser, ctx.Doer) {
		// fake ErrUserNotExist error message to not leak information about existence
		ctx.NotFound("GetUserByName", user_model.ErrUserNotExist{Name: ctx.Params(":username")})
		return
	}
	ctx.JSON(http.StatusOK, convert.ToUser(ctx.ContextUser, ctx.Doer))
}

// GetAuthenticatedUser get current user's information
func GetAuthenticatedUser(ctx *context.APIContext) {
	// swagger:operation GET /user user userGetCurrent
	// ---
	// summary: Get the authenticated user
	// produces:
	// - application/json
	// responses:
	//   "200":
	//     "$ref": "#/responses/User"

	ctx.JSON(http.StatusOK, convert.ToUser(ctx.Doer, ctx.Doer))
}

// GetUserHeatmapData is the handler to get a users heatmap
func GetUserHeatmapData(ctx *context.APIContext) {
	// swagger:operation GET /users/{username}/heatmap user userGetHeatmapData
	// ---
	// summary: Get a user's heatmap
	// produces:
	// - application/json
	// parameters:
	// - name: username
	//   in: path
	//   description: username of user to get
	//   type: string
	//   required: true
	// responses:
	//   "200":
	//     "$ref": "#/responses/UserHeatmapData"
	//   "404":
	//     "$ref": "#/responses/notFound"

	heatmap, err := activities_model.GetUserHeatmapDataByUser(ctx.ContextUser, ctx.Doer)
	if err != nil {
		ctx.Error(http.StatusInternalServerError, "GetUserHeatmapDataByUser", err)
		return
	}
	ctx.JSON(http.StatusOK, heatmap)
}
