package com.example.demo;

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.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

@RestController
@RequestMapping("books")
public class BookController {

    private final BookDao bookDao;

    public BookController(BookDao bookDao) {
        this.bookDao = bookDao;
    }


    @GetMapping("/requestParam")
    public String requestParam(@RequestParam String valueA, @RequestParam(required = false) String valueB) {
        return "Value A is " + valueA + ", and valueB is " + valueB;
    }

    @GetMapping("/pathParam/{valueA}/{valueB}")
    public String pathVariable(@PathVariable String valueA, @PathVariable String valueB) {
        return "Value A is " + valueA + ", and valueB is " + valueB;
    }

    @GetMapping("/all")
    public long fetchBooks() {
        return bookDao.count();
    }

    @PostMapping("/create")
    public BookDto createBook(@RequestBody BookDto bookDto) {

        Book book = new Book();
        book.setTitle(bookDto.getTitle());
        bookDao.save(book);

        return bookDto;
    }


}