using Microsoft.AspNetCore.Cors;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using RadicadeServer.Clubs;
using RadicadeServer.DB;
using RadicadeServer.Extensions;
using RadicadeServer.Utils;

namespace RadicadeServer.Admin
{
	[Route("admin/clubs")]
	[EnableCors("AdminPanel")]
	public class AdminClubAPI(RecDBContext db) : Controller
	{
		private Task<IActionResult?> RejectInvalidKey(string key)
		{
			return Task.FromResult<IActionResult?>(key.IsAdminKey() ? null : Unauthorized("Invalid secret"));
		}

		[HttpPost("upload/image")]
		public async Task<IActionResult> UploadImage([FromQuery] string key, [FromQuery] long clubId, [FromForm] IFormFile file)
		{
			var rejection = await RejectInvalidKey(key);
			if (rejection != null) return rejection;

			var clubs = await ClubStore.LoadAsync(db);
			var club = clubs.FirstOrDefault(x => x.clubId == clubId);
			if (club == null) return NotFound("Club does not exist.");

			if (file == null || file.Length == 0) return BadRequest("No file provided.");

			var allowed = new[] { ".png", ".jpg", ".jpeg", ".gif", ".webp", ".bmp" };
			var ext = Path.GetExtension(file.FileName).ToLowerInvariant();
			if (string.IsNullOrEmpty(ext) || !allowed.Contains(ext))
				return BadRequest($"Unsupported image format '{(string.IsNullOrEmpty(ext) ? "no extension" : ext)}'. Use png/jpg/jpeg/gif/webp.");

			Directory.CreateDirectory(DBConfig.CDNImages);
			var name = Guid.NewGuid().ToString() + ext;
			var path = Path.Join(DBConfig.CDNImages, name);

			using (var stream = new FileStream(path, FileMode.Create))
			{
				await file.CopyToAsync(stream);
			}

			club.imageName = name;

			await ClubStore.SaveAsync(db, clubs);

			return Ok($"Uploaded {name}!\nURL: {DBConfig.ServerUrl}/images/img/{name}");
		}

		[HttpGet("set/image")]
		public async Task<IActionResult> SetImage([FromQuery] string key, [FromQuery] long clubId, [FromQuery] string imgName)
		{
			var rejection = await RejectInvalidKey(key);
			if (rejection != null) return rejection;

			var clubs = await ClubStore.LoadAsync(db);
			var club = clubs.FirstOrDefault(x => x.clubId == clubId);
			if (club == null) return NotFound("Club does not exist.");

			imgName = Path.GetFileName(imgName ?? "").Trim();

			if (string.IsNullOrEmpty(imgName)) imgName = ClubStore.DefaultImageName;

			club.imageName = imgName;

			await ClubStore.SaveAsync(db, clubs);

			return Ok($"Set to {imgName}!\nURL: {DBConfig.ServerUrl}/images/img/{imgName}");
		}
	}
}