package ch.progetto152.controller;


import ch.progetto152.entity.UserEntity;
import ch.progetto152.services.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;

import java.util.List;

@RestController
@RequestMapping("/progetto152/users")
public class UserController {

    private final UserService userService;

    @Autowired
    public UserController(UserService userService) {
        this.userService = userService;
    }

    @GetMapping("")
    public ResponseEntity<List<UserEntity>> getAllUsers() {
        List<UserEntity> users = userService.getAllUsers();
        return new ResponseEntity<>(users, HttpStatus.OK);
    }

    @GetMapping("/{id}")
    public ResponseEntity<UserEntity> getUserById(@PathVariable("id") Long id) {
        UserEntity user = userService.getUserById(id);
        if (user != null) {
            return new ResponseEntity<>(user, HttpStatus.OK);
        } else {
            return new ResponseEntity<>(HttpStatus.NOT_FOUND);
        }
    }

    @GetMapping("?name={name}")
    public ResponseEntity<UserEntity> getUserByName(@PathVariable("name") String name) {
        UserEntity user = userService.getUserByName(name);
        if (user != null) {
            return new ResponseEntity<>(user, HttpStatus.OK);
        } else {
            return new ResponseEntity<>(HttpStatus.NOT_FOUND);
        }
    }

    @GetMapping("?username={username}")
    public ResponseEntity<UserEntity> getUserByUsername(@PathVariable("username") String username) {
        UserEntity user = userService.getUserByUsername(username);
        if (user != null) {
            return new ResponseEntity<>(user, HttpStatus.OK);
        } else {
            return new ResponseEntity<>(HttpStatus.NOT_FOUND);
        }
    }

    @PostMapping("")
    public ResponseEntity<UserEntity> createUser(@RequestBody UserEntity user) {
        UserEntity createdUser = userService.createUser(user);
        if(createdUser == null) {
            return new ResponseEntity<>(HttpStatus.INTERNAL_SERVER_ERROR);
        }
        return new ResponseEntity<>(createdUser, HttpStatus.CREATED);
    }

    @PutMapping("/{id}")
    public ResponseEntity<UserEntity> updateUser(@PathVariable("id") Long id, @RequestBody UserEntity user) {
        UserEntity updatedUser = userService.updateUser(id, user);
        if (updatedUser != null) {
            return new ResponseEntity<>(updatedUser, HttpStatus.OK);
        } else {
            return new ResponseEntity<>(HttpStatus.NOT_FOUND);
        }
    }

    @DeleteMapping("/{id}")
    public ResponseEntity<Void> deleteUser(@PathVariable("id") Long id) {
        boolean deleted = userService.deleteUser(id);
        if (deleted) {
            return new ResponseEntity<>(HttpStatus.NO_CONTENT);
        } else {
            return new ResponseEntity<>(HttpStatus.NOT_FOUND);
        }
    }
}