using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using AutoMapper;
using System;
using DevHive.Web.Models.Post.Post;
using DevHive.Services.Models.Post.Post;
using DevHive.Web.Models.Post.Comment;
using DevHive.Services.Models.Post.Comment;
using Microsoft.AspNetCore.Authorization;
using DevHive.Services.Interfaces;

namespace DevHive.Web.Controllers
{
	[ApiController]
	[Route("/api/[controller]")]
	// [Authorize(Roles = "User")]
	public class PostController
	{
		private readonly IPostService _postService;
		private readonly IMapper _postMapper;

		public PostController(IPostService postService, IMapper postMapper)
		{
			this._postService = postService;
			this._postMapper = postMapper;
		}

		#region Create
		[HttpPost]
		public async Task<IActionResult> Create(Guid userId, [FromBody] CreatePostWebModel createPostWebModel)
		{
			CreatePostServiceModel createPostServiceModel =
				this._postMapper.Map<CreatePostServiceModel>(createPostWebModel);
			createPostServiceModel.IssuerId = userId;

			Guid id = await this._postService.CreatePost(createPostServiceModel);

			return id == Guid.Empty ?
				new BadRequestObjectResult("Could not create post!") :
				new OkObjectResult(new { Id = id });
		}

		[HttpPost]
		[Route("Comment")]
		public async Task<IActionResult> AddComment(Guid userId, [FromBody] CreateCommentWebModel createCommentWebModel)
		{
			CreateCommentServiceModel createCommentServiceModel =
				this._postMapper.Map<CreateCommentServiceModel>(createCommentWebModel);
			createCommentServiceModel.IssuerId = userId;

			Guid id = await this._postService.AddComment(createCommentServiceModel);

			return id == Guid.Empty ?
				new BadRequestObjectResult("Could not create comment!") :
				new OkObjectResult(new { Id = id });
		}
		#endregion

		#region Read
		[HttpGet]
		[AllowAnonymous]
		public async Task<IActionResult> GetById(Guid id)
		{
			ReadPostServiceModel postServiceModel = await this._postService.GetPostById(id);
			ReadPostWebModel postWebModel = this._postMapper.Map<ReadPostWebModel>(postServiceModel);

			return new OkObjectResult(postWebModel);
		}

		[HttpGet]
		[Route("Comment")]
		[AllowAnonymous]
		public async Task<IActionResult> GetCommentById(Guid id)
		{
			ReadCommentServiceModel readCommentServiceModel = await this._postService.GetCommentById(id);
			ReadCommentWebModel readCommentWebModel = this._postMapper.Map<ReadCommentWebModel>(readCommentServiceModel);

			return new OkObjectResult(readCommentWebModel);
		}
		#endregion

		#region Update
		[HttpPut]
		public async Task<IActionResult> Update(Guid userId, [FromBody] UpdatePostWebModel updatePostWebModel, [FromHeader] string authorization)
		{
			if (!await this._postService.ValidateJwtForPost(userId, authorization))
				return new UnauthorizedResult();

			UpdatePostServiceModel updatePostServiceModel =
				this._postMapper.Map<UpdatePostServiceModel>(updatePostWebModel);

			Guid id = await this._postService.UpdatePost(updatePostServiceModel);

			return id == Guid.Empty ?
				new BadRequestObjectResult("Unable to update post!") :
				new OkObjectResult(new { Id = id });
		}

		[HttpPut]
		[Route("Comment")]
		public async Task<IActionResult> UpdateComment(Guid userId, [FromBody] UpdateCommentWebModel updateCommentWebModel, [FromHeader] string authorization)
		{
			if (!await this._postService.ValidateJwtForComment(userId, authorization))
				return new UnauthorizedResult();

			UpdateCommentServiceModel updateCommentServiceModel =
				this._postMapper.Map<UpdateCommentServiceModel>(updateCommentWebModel);

			Guid id = await this._postService.UpdateComment(updateCommentServiceModel);

			return id == Guid.Empty ?
				new BadRequestObjectResult("Unable to update comment!") :
				new OkObjectResult(new { Id = id });
		}
		#endregion

		#region Delete
		[HttpDelete]
		public async Task<IActionResult> Delete(Guid id, [FromHeader] string authorization)
		{
			if (!await this._postService.ValidateJwtForPost(id, authorization))
				return new UnauthorizedResult();

			return await this._postService.DeletePost(id) ?
				new OkResult() :
				new BadRequestObjectResult("Could not delete Comment");
		}

		[HttpDelete]
		[Route("Comment")]
		public async Task<IActionResult> DeleteComment(Guid id, [FromHeader] string authorization)
		{
			if (!await this._postService.ValidateJwtForComment(id, authorization))
				return new UnauthorizedResult();

			return await this._postService.DeleteComment(id) ?
				new OkResult() :
				new BadRequestObjectResult("Could not delete Comment");
		}
		#endregion
	}
}