using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.IO;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using MisIngredientesVue.Core.Extensions;
using MisIngredientesVue.Core.Models;
using MisIngredientesVue.Core.Services;

namespace MisIngredientesVue.Controllers
{

    [Route("api/[controller]")]
    [ApiController]
    public class SettingsController : Controller
    {
        private readonly ISettingsService _settingsService;

        public SettingsController(ISettingsService settingsService)
        {
            _settingsService = settingsService;
        }

        [HttpGet]
        public async Task<ActionResult> LoadSettings(string types)
        {
            return Ok(await _settingsService.GetSettings(User.Identity.GetTenantId(), types.Split(",")));
        }

        [HttpPost]
        public async Task<ActionResult> SaveSettings([FromBody]List<ClientSetting> settings)
        {
            return Ok(await _settingsService.SaveSettings(User.Identity.GetTenantId(), settings));
        }

        [Route("emailtemplates")]
        [HttpGet]
        public async Task<ActionResult> LoadEmailTemplates()
        {
            return Ok(await _settingsService.GetEmailTemplates(User.Identity.GetTenantId()));
        }

        [Route("emailtemplates/{key}")]
        [HttpGet]
        public async Task<ActionResult> LoadEmailTemplate(string key)
        {
            return Ok(await _settingsService.GetEmailTemplate(User.Identity.GetTenantId(), key));
        }

        [Route("emailtemplates")]
        [HttpPost]
        public async Task<ActionResult> SaveEmailTemplate(EmailTemplate emailTemplate)
        {
            return Ok(await _settingsService.SaveEmailTemplate(User.Identity.GetTenantId(), emailTemplate.Key, emailTemplate.Value));
        }

        [Route("emailtemplates_file")]
        [HttpPost]
        public async Task<ActionResult> SaveEmailTemplateWithFile([FromForm] SaveEmailTemplateRequest request)
        {

            if (request.Image != null)
            {
                if (request.Image.Length > 150000) return BadRequest("La imagen es muy grande");
                if (request.Image.Length == 0) return BadRequest("No se especificó una imagen");

                using (var file = request.Image.OpenReadStream())
                {
                    using (var ms = new MemoryStream())
                    {
                        file.CopyTo(ms);

                        var imageData = ms.ToArray();
                        return Ok(await _settingsService.SaveEmailTemplate(User.Identity.GetTenantId(), request.Key, request.Value, imageData));
                    }
                }

                
            }

            return Ok(await _settingsService.SaveEmailTemplate(User.Identity.GetTenantId(), request.Key, request.Value));
        }
    }

    public class SaveEmailTemplateRequest
    {
        public IFormFile Image { get; set; }

        [Required]
        [MaxLength(255)]
        [Unique]
        public string Key { get; set; }

        [Required]
        [MaxLength(5000)]
        public string Value { get; set; }

    }
}