using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using Assignment3.Data;
using Assignment3.Models;
using System.ComponentModel.DataAnnotations;
using System.Xml.Linq;

namespace Assignment3.Controllers
{
    [Route("api/[controller]")]
    [ApiController]
    public class OrganizationsController : ControllerBase
    {
        private readonly Assignment3Context _context;

        public OrganizationsController(Assignment3Context context)
        {
            _context = context;
        }

        // GET: api/Organizations
        [HttpGet]
        public async Task<ActionResult<IEnumerable<Organization>>> GetOrganization()
        {
            if (_context.Organization == null)
            {
                return NotFound();
            }
            return await _context.Organization.ToListAsync();
        }

        // GET: api/Organizations/5
        [HttpGet("{id}")]
        public async Task<ActionResult<Organization>> GetOrganization(Guid id)
        {
            if (_context.Organization == null)
            {
                return NotFound();
            }
            var organization = await _context.Organization.FindAsync(id);

            if (organization == null)
            {
                return NotFound();
            }

            return organization;
        }

        // PUT: api/Organizations/5
        // To protect from overposting attacks, see https://go.microsoft.com/fwlink/?linkid=2123754
        [HttpPut("{id}")]
        public async Task<IActionResult> PutOrganization(Guid id, Organization organization)
        {
            if (id != organization.Id)
            {
                return BadRequest();
            }

            _context.Entry(organization).State = EntityState.Modified;

            try
            {
                await _context.SaveChangesAsync();
            }
            catch (DbUpdateConcurrencyException)
            {
                if (!OrganizationExists(id))
                {
                    return NotFound();
                }
                else
                {
                    throw;
                }
            }

            return NoContent();
        }

        // POST: api/Organizations
        // To protect from overposting attacks, see https://go.microsoft.com/fwlink/?linkid=2123754
        [HttpPost]
        public async Task<ActionResult<Organization>> PostOrganization(Organization organization)
        {
            var validationResults = new List<ValidationResult>();
            bool isValid = Validator.TryValidateObject(organization, new ValidationContext(organization), validationResults, true);

            if (_context.Organization == null)
            {
                return Problem("Entity set 'Assignment3Context.Organization'  is null.");
            }
            _context.Organization.Add(organization);
            await _context.SaveChangesAsync();

            return CreatedAtAction("GetOrganization", new { id = organization.Id }, organization);
        }

        // DELETE: api/Organizations/5
        [HttpDelete("{id}")]
        public async Task<IActionResult> DeleteOrganization(Guid id)
        {
            if (_context.Organization == null)
            {
                return NotFound();
            }
            var organization = await _context.Organization.FindAsync(id);
            if (organization == null)
            {
                return NotFound();
            }

            _context.Organization.Remove(organization);
            await _context.SaveChangesAsync();

            return NoContent();
        }

        [HttpGet("name={value}")]
        public async Task<ActionResult<Organization>> GetOrganizationName(string name)
        {
            if (_context.Organization == null)
            {
                return NotFound();
            }
            var organization = await _context.Organization.FirstOrDefaultAsync(i => i.Name == name);

            if (organization == null)
            {
                return NotFound();
            }

            return organization;
        }




        [HttpGet("type={value}")]
        public async Task<ActionResult<Organization>> GetOrganizationType(string type)
        {
            if (_context.Organization == null)
            {
                return NotFound();
            }
            var organization = await _context.Organization.FirstOrDefaultAsync(i => i.Type == type); ;

            if (organization == null)
            {
                return NotFound();
            }

            return organization;
        }

        private bool OrganizationExists(Guid id)
        {
            return (_context.Organization?.Any(e => e.Id == id)).GetValueOrDefault();
        }
    }
}