using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Localization;

using PrivaPub.ClientModels;
using PrivaPub.ClientModels.Group;
using PrivaPub.Extensions;
using PrivaPub.Resources;
using PrivaPub.Services;

namespace PrivaPub.Controllers.ClientToServer
{
	[ApiController,
		Route("clientapi/group"),
		Authorize(Policy = Policies.IsUser)]
	public class GroupController : ControllerBase
	{
		readonly IGroupUsersService _groupUsersService;
		readonly IStringLocalizer _localizer;

		public GroupController(IGroupUsersService groupUsersService, IStringLocalizer<GenericRes> localizer)
		{
			_groupUsersService = groupUsersService;
			_localizer = localizer;
		}

		[HttpGet, Route("/clientapi/group/list")]
		public async Task<IActionResult> List([FromQuery] string avatarId, CancellationToken token) =>
			Answer(await _groupUsersService.GetGroups(User.GetUserId(), avatarId, token));

		[HttpPost, Route("/clientapi/group/insert")]
		public async Task<IActionResult> Insert(InsertGroupForm form, CancellationToken token) =>
			!ModelState.IsValid ? Invalid() : Answer(await _groupUsersService.InsertGroup(User.GetUserId(), form, token));

		[HttpPost, Route("/clientapi/group/update")]
		public async Task<IActionResult> Update(UpdateGroupForm form, CancellationToken token) =>
			!ModelState.IsValid ? Invalid() : Answer(await _groupUsersService.UpdateGroup(User.GetUserId(), form, token));

		[HttpPost, Route("/clientapi/group/join")]
		public async Task<IActionResult> Join(JoinGroupForm form, CancellationToken token) =>
			!ModelState.IsValid ? Invalid() : Answer(await _groupUsersService.JoinGroup(User.GetUserId(), form, token));

		[HttpPost, Route("/clientapi/group/leave")]
		public async Task<IActionResult> Leave(GroupMembershipForm form, CancellationToken token) =>
			!ModelState.IsValid ? Invalid() : Answer(await _groupUsersService.LeaveGroup(User.GetUserId(), form, token));

		[HttpPost, Route("/clientapi/group/approve")]
		public async Task<IActionResult> Approve(GroupMembershipForm form, CancellationToken token) =>
			!ModelState.IsValid ? Invalid() : Answer(await _groupUsersService.ApproveMember(User.GetUserId(), form, token));

		IActionResult Invalid() => BadRequest(new WebResult().Invalidate(_localizer["Invalid model."]));

		IActionResult Answer(WebResult result) => result.IsValid ? Ok(result.Data) : StatusCode(result.StatusCode, result);
	}
}