using System.Threading.Tasks;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Routing;
using Microsoft.AspNetCore.Authorization;
using Microsoft.Extensions.Logging;
using AyaNova.Models;
using AyaNova.Api.ControllerHelpers;
using AyaNova.Biz;

/*
Ok, need to figure this one out.
Is a partassembly posted with all it's collection of parts or are those two separate ops?
It's obvs more efficient to post it all at once on creation 
From users' point of view it's all one object
Maybe it should act like it's one big collection as the partassembly is unlikely to have a huge number of parts ever anyway

so the todo is to make the assemblyitem part of a collection under assembly that gets CRUD together
https://stackoverflow.com/questions/46517584/how-to-add-a-parent-record-with-its-children-records-in-ef-core#46615455
*/

namespace AyaNova.Api.Controllers
{
    [ApiController]
    [ApiVersion("8.0")]
    [Route("api/v{version:apiVersion}/part-assembly")]
    [Produces("application/json")]
    [Authorize]
    public class PartAssemblyController : ControllerBase
    {
        private readonly AyContext ct;
        private readonly ILogger<PartAssemblyController> log;
        private readonly ApiServerState serverState;

        /// <summary>
        /// ctor
        /// </summary>
        /// <param name="dbcontext"></param>
        /// <param name="logger"></param>
        /// <param name="apiServerState"></param>  
        public PartAssemblyController(AyContext dbcontext, ILogger<PartAssemblyController> logger, ApiServerState apiServerState)
        {
            ct = dbcontext;
            log = logger;
            serverState = apiServerState;
        }

        /// <summary>
        /// Create PartAssembly
        /// </summary>
        /// <param name="newObject"></param>
        /// <param name="apiVersion">From route path</param>
        /// <returns></returns>
        [HttpPost]
        public async Task<IActionResult> PostPartAssembly([FromBody] PartAssembly newObject, ApiVersion apiVersion)
        {
            if (!serverState.IsOpen)
                return StatusCode(503, new ApiErrorResponse(serverState.ApiErrorCode, null, serverState.Reason));
            PartAssemblyBiz biz = PartAssemblyBiz.GetBiz(ct, HttpContext);
            if (!Authorized.HasCreateRole(HttpContext.Items, biz.BizType))
                return StatusCode(403, new ApiNotAuthorizedResponse());
            if (!ModelState.IsValid)
                return BadRequest(new ApiErrorResponse(ModelState));
            PartAssembly o = await biz.CreateAsync(newObject);
            if (o == null)
                return BadRequest(new ApiErrorResponse(biz.Errors));
            else
                return CreatedAtAction(nameof(PartAssemblyController.GetPartAssembly), new { id = o.Id, version = apiVersion.ToString() }, new ApiCreatedResponse(o));
        }

        /// <summary>
        /// Duplicate PartAssembly
        /// (Wiki and Attachments are not duplicated)
        /// </summary>
        /// <param name="id">Source object id</param>
        /// <param name="apiVersion">From route path</param>
        /// <returns>PartAssembly</returns>
        [HttpPost("duplicate/{id}")]
        public async Task<IActionResult> DuplicatePartAssembly([FromRoute] long id, ApiVersion apiVersion)
        {
            if (!serverState.IsOpen)
                return StatusCode(503, new ApiErrorResponse(serverState.ApiErrorCode, null, serverState.Reason));
            PartAssemblyBiz biz = PartAssemblyBiz.GetBiz(ct, HttpContext);
            if (!Authorized.HasCreateRole(HttpContext.Items, biz.BizType))
                return StatusCode(403, new ApiNotAuthorizedResponse());
            if (!ModelState.IsValid)
                return BadRequest(new ApiErrorResponse(ModelState));
            PartAssembly o = await biz.DuplicateAsync(id);
            if (o == null)
                return BadRequest(new ApiErrorResponse(biz.Errors));
            else
                return CreatedAtAction(nameof(PartAssemblyController.GetPartAssembly), new { id = o.Id, version = apiVersion.ToString() }, new ApiCreatedResponse(o));
        }

        /// <summary>
        /// Get PartAssembly
        /// </summary>
        /// <param name="id"></param>
        /// <returns>PartAssembly</returns>
        [HttpGet("{id}")]
        public async Task<IActionResult> GetPartAssembly([FromRoute] long id)
        {
            if (!serverState.IsOpen)
                return StatusCode(503, new ApiErrorResponse(serverState.ApiErrorCode, null, serverState.Reason));
            PartAssemblyBiz biz = PartAssemblyBiz.GetBiz(ct, HttpContext);
            if (!Authorized.HasReadFullRole(HttpContext.Items, biz.BizType))
                return StatusCode(403, new ApiNotAuthorizedResponse());
            if (!ModelState.IsValid)
                return BadRequest(new ApiErrorResponse(ModelState));
            var o = await biz.GetAsync(id,true,true);
            if (o == null) return NotFound(new ApiErrorResponse(ApiErrorCode.NOT_FOUND));
            return Ok(ApiOkResponse.Response(o));
        }

        /// <summary>
        /// Put (update) PartAssembly
        /// </summary>        
        /// <param name="updatedObject"></param>
        /// <returns></returns>
        [HttpPut]
        public async Task<IActionResult> PutPartAssembly([FromBody] PartAssembly updatedObject)
        {
            if (!serverState.IsOpen)
                return StatusCode(503, new ApiErrorResponse(serverState.ApiErrorCode, null, serverState.Reason));
            if (!ModelState.IsValid)
                return BadRequest(new ApiErrorResponse(ModelState));
            PartAssemblyBiz biz = PartAssemblyBiz.GetBiz(ct, HttpContext);
            if (!Authorized.HasModifyRole(HttpContext.Items, biz.BizType))
                return StatusCode(403, new ApiNotAuthorizedResponse());
            var o = await biz.PutAsync(updatedObject);//In future may need to return entire object, for now just concurrency token 
            if (o == null)
            {
                if (biz.Errors.Exists(z => z.Code == ApiErrorCode.CONCURRENCY_CONFLICT))
                    return StatusCode(409, new ApiErrorResponse(biz.Errors));
                else
                    return BadRequest(new ApiErrorResponse(biz.Errors));
            }
            return Ok(ApiOkResponse.Response(new { Concurrency = o.Concurrency })); ;
        }

        /// <summary>
        /// Delete PartAssembly
        /// </summary>
        /// <param name="id"></param>
        /// <returns>NoContent</returns>
        [HttpDelete("{id}")]
        public async Task<IActionResult> DeletePartAssembly([FromRoute] long id)
        {
            if (!serverState.IsOpen)
                return StatusCode(503, new ApiErrorResponse(serverState.ApiErrorCode, null, serverState.Reason));
            if (!ModelState.IsValid)
                return BadRequest(new ApiErrorResponse(ModelState));
            PartAssemblyBiz biz = PartAssemblyBiz.GetBiz(ct, HttpContext);
            if (!Authorized.HasDeleteRole(HttpContext.Items, biz.BizType))
                return StatusCode(403, new ApiNotAuthorizedResponse());
            if (!await biz.DeleteAsync(id))
                return BadRequest(new ApiErrorResponse(biz.Errors));
            return NoContent();
        }





        //------------


    }//eoc
}//eons