using Jellyfin.Plugin.MediaCleaner.Models;
using Microsoft.AspNetCore.Mvc;
using System;
using System.Collections.Generic;
using System.Net.Http;
using System.Net.Http.Headers;
using System.Text.Json;
using System.Text.Json.Serialization;
using System.Threading.Tasks;
using System.Web;
using Microsoft.AspNetCore.Http;
using System.Linq;

namespace Jellyfin.Plugin.MediaCleaner.Controllers;

public record ConnectionTestRequest(string Address, string ApiKey);

public record RadarrMovie(
    [property: JsonPropertyName("id")] int? Id,
    [property: JsonPropertyName("title")] string? Title
);

[Route("radarr")]
public class RadarrController : Controller
{
    private static Configuration Configuration =>
            Plugin.Instance!.Configuration;

    private readonly HttpClient _httpClient;

    public RadarrController(HttpClient httpClient)
    {
        _httpClient = httpClient;

        // Set the default request headers
        _httpClient.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
        _httpClient.DefaultRequestHeaders.Add("X-Api-Key", Configuration.RadarrAPIKey);
    }

    [HttpPost("deleteMovieFromRadarr")]
    public async Task<IActionResult> DeleteMovieFromRadarr([FromBody] MovieInfo movieInfo){

        if (movieInfo == null || string.IsNullOrEmpty(movieInfo.TmdbId))
        {
            return BadRequest("Invalid movie information provided.");
        }

        try
        {
            var uriBuilder = new UriBuilder($"{Configuration.RadarrAddress}/api/v3/movie");
            var query = HttpUtility.ParseQueryString(uriBuilder.Query);

            query["tmdbId"] = movieInfo.TmdbId;
            query["excludeLocalCovers"] = "false";

            uriBuilder.Query = query.ToString();
            var response = await _httpClient.GetAsync(uriBuilder.Uri).ConfigureAwait(false);
            response.EnsureSuccessStatusCode();

            var responseBody = await response.Content.ReadAsStringAsync().ConfigureAwait(false);

            var movies = JsonSerializer.Deserialize<List<RadarrMovie>>(responseBody);
            var movie = movies?.FirstOrDefault();

            if (movie == null)
            {
                return NotFound("Movie not found in Radarr library.");
            }

            return Ok(movie);
        }
        catch (HttpRequestException e)
        {
            return StatusCode(StatusCodes.Status500InternalServerError, $"An unexpected error occurred. {e.Message}");
        }
    }

    [HttpPost("testConnection")]
    public async Task<IActionResult> TestConnection([FromBody] ConnectionTestRequest request)
    {
        if (request == null || string.IsNullOrWhiteSpace(request.Address) || string.IsNullOrWhiteSpace(request.ApiKey))
        {
            return BadRequest("Address and ApiKey are required.");
        }

        var address = request.Address.Trim();
        if (!address.StartsWith("http://", StringComparison.OrdinalIgnoreCase) &&
            !address.StartsWith("https://", StringComparison.OrdinalIgnoreCase))
        {
            address = "http://" + address;
        }

        try
        {
            using var httpRequest = new HttpRequestMessage(HttpMethod.Get, address);
            httpRequest.Headers.Add("X-Api-Key", request.ApiKey);

            var response = await _httpClient.SendAsync(httpRequest).ConfigureAwait(false);
            return Ok(new { success = response.IsSuccessStatusCode });
        }
        catch (HttpRequestException e)
        {
            return StatusCode(StatusCodes.Status502BadGateway, e.Message);
        }
        catch (Exception e)
        {
            return StatusCode(StatusCodes.Status500InternalServerError, e.Message);
        }
    }
}