package com.mattrixwv.raidbuilder.controller;


import java.util.List;
import java.util.UUID;

import org.springframework.web.bind.annotation.DeleteMapping;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.PutMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;

import com.mattrixwv.raidbuilder.annotation.AccountAuthorization;
import com.mattrixwv.raidbuilder.annotation.GameAuthorization;
import com.mattrixwv.raidbuilder.entity.Game;
import com.mattrixwv.raidbuilder.service.GameService;
import com.mattrixwv.raidbuilder.util.DatabaseTypeUtil.AccountPermissionType;
import com.mattrixwv.raidbuilder.util.DatabaseTypeUtil.GamePermissionType;
import com.mattrixwv.raidbuilder.util.validation.GameValidationUtil;

import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import tools.jackson.databind.ObjectMapper;
import tools.jackson.databind.node.ArrayNode;
import tools.jackson.databind.node.ObjectNode;


@Slf4j
@RestController
@RequestMapping("/game")
@RequiredArgsConstructor
public class GameController{
	private final ObjectMapper mapper;
	private final GameService gameService;
	//Utilities
	private final GameValidationUtil gvUtil;


	@GetMapping("/{gameId}")
	@AccountAuthorization(permissions = {AccountPermissionType.ADMIN, AccountPermissionType.USER})
	public Game getGame(@PathVariable("gameId") UUID gameId){
		log.info("Getting game {}", gameId);


		return gameService.getGameById(gameId);
	}

	@GetMapping
	@AccountAuthorization(permissions = {AccountPermissionType.ADMIN, AccountPermissionType.USER})
	public List<Game> getGames(@RequestParam("page") int page, @RequestParam("pageSize") int pageSize, @RequestParam(value = "searchTerm", required = false) String searchTerm){
		log.info("Getting games page {} of size {} with search term {}", page, pageSize, searchTerm);


		List<Game> games;
		if((searchTerm == null) || (searchTerm.isBlank())){
			games = gameService.getGames(page, pageSize);
		}
		else{
			games = gameService.getGames(page, pageSize, searchTerm);
		}


		return games;
	}


	@GetMapping("/count")
	@AccountAuthorization(permissions = {AccountPermissionType.ADMIN, AccountPermissionType.USER})
	public ObjectNode getGamesCount(@RequestParam(value = "searchTerm", required = false) String searchTerm){
		log.info("Getting games count with search term {}", searchTerm);


		Long gamesCount;
		if((searchTerm == null) || (searchTerm.isBlank())){
			gamesCount = gameService.getGamesCount();
		}
		else{
			gamesCount = gameService.getGamesCount(searchTerm);
		}

		ObjectNode countNode = mapper.createObjectNode();
		countNode.put("count", gamesCount);
		countNode.put("status", "success");


		return countNode;
	}


	@PostMapping
	@AccountAuthorization(permissions = {AccountPermissionType.ADMIN, AccountPermissionType.USER})
	@GameAuthorization(permissions = {GamePermissionType.ADMIN})
	public ObjectNode createGame(@RequestParam(value = "iconFile", required = false) MultipartFile file, @RequestParam("gameName") String gameName){
		log.info("Creating game {}", gameName);


		ObjectNode returnNode = mapper.createObjectNode();
		Game game = new Game();
		game.setGameName(gameName);
		List<String> errors = gvUtil.validateNewGame(game);
		if(errors.isEmpty()){
			game = gameService.createGame(game, file);

			returnNode.put("gameId", game.getGameId().toString());
			returnNode.put("status", "success");

			log.info("Successfully created game: {}", game.getGameId());
		}
		else{
			returnNode.put("status", "error");
			ArrayNode errorNode = mapper.createArrayNode();
			errors.forEach(errorNode::add);
			returnNode.set("errors", errorNode);
		}


		return returnNode;
	}

	@PutMapping("/{gameId}")
	@AccountAuthorization(permissions = {AccountPermissionType.ADMIN, AccountPermissionType.USER})
	@GameAuthorization(permissions = {GamePermissionType.ADMIN})
	public ObjectNode updateGame(@PathVariable("gameId") UUID gameId, @RequestParam(value = "iconFile", required = false) MultipartFile file, @RequestParam("gameName") String gameName, @RequestParam(name = "gameIcon", required = false) String gameIcon){
		log.info("Updating game {}", gameName);


		ObjectNode returnNode = mapper.createObjectNode();
		Game game = new Game();
		game.setGameId(gameId);
		game.setGameName(gameName);
		game.setGameIcon(gameIcon);
		List<String> errors = gvUtil.validateExistingGame(game);
		if(errors.isEmpty()){
			game = gameService.updateGame(game, file);

			returnNode.put("gameId", game.getGameId().toString());
			returnNode.put("status", "success");
		}
		else{
			returnNode.put("status", "error");
			ArrayNode errorNode = mapper.createArrayNode();
			errors.forEach(errorNode::add);
			returnNode.set("errors", errorNode);
		}

		return returnNode;
	}

	@DeleteMapping("/{gameId}")
	@AccountAuthorization(permissions = {AccountPermissionType.ADMIN, AccountPermissionType.USER})
	@GameAuthorization(permissions = {GamePermissionType.ADMIN})
	public ObjectNode deleteGame(@PathVariable("gameId") UUID gameId){
		log.info("Deleting game {}", gameId);


		ObjectNode returnNode = mapper.createObjectNode();
		Game game = gameService.getGameById(gameId);
		if(game != null){
			gameService.deleteById(gameId);

			returnNode.put("status", "success");
		}
		else{
			returnNode.put("status", "error");
			ArrayNode errorNode = mapper.createArrayNode();
			errorNode.add("Game ID is invalid");
			returnNode.set("errors", errorNode);
		}


		return returnNode;
	}
}