package com.release11.klaus.controller;

import com.release11.klaus.model.MockedMessageDto;
import com.release11.klaus.service.KlausService;
import lombok.AllArgsConstructor;
import lombok.SneakyThrows;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;

import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.UUID;

@Slf4j
@Controller
@RequestMapping
@AllArgsConstructor
public class MockController {
    private final KlausService klausService;
    //TODO: Write a method
    private final MockedMessageDto defaultMessage = MockedMessageDto.builder().build();
    private UUID sessionUUID;
    private final Set<MockedMessageDto> globalMockedMessageDtoList = new HashSet<>();


    //TODO: Add cookie in javascript
    /**
     * Responds to first user request. If UUID is given then it's set if it's not, then new one is generated.
     * Next recalls method that populates model based on UUID
     * @param clientUUID
     * @param uuid
     * @return
     */
    @SneakyThrows
    @GetMapping({"/mock", "/mock/{uuid}"})
    public String showHome(@RequestParam(required = false) UUID clientUUID,
                           @PathVariable(required = false) UUID uuid){
        if (uuid != null) clientUUID = uuid;
        if (clientUUID != null) sessionUUID = clientUUID;
        else sessionUUID = UUID.randomUUID();
        this.updateGlobalMockedMessageDtoList();
        return "mock";
    }


    /**
     * Populates model with current message list based on sessionUUID
     */
    private void updateGlobalMockedMessageDtoList(){
        globalMockedMessageDtoList.clear();
        List<MockedMessageDto> mockedMessageDtoList = klausService.getAllMockedResponses(sessionUUID);
        if (mockedMessageDtoList.size() == 0) mockedMessageDtoList.add(defaultMessage);
        globalMockedMessageDtoList.addAll(mockedMessageDtoList);
    }

    //TODO: Add json file
    private static MockedMessageDto buildDefaultMessage(){
        return null;
    }


}