package com.example.nto.controller;

import com.example.nto.entity.CodeBody;
import com.example.nto.entity.Employee;
import com.example.nto.entity.ResponseData;
import com.example.nto.entity.Visits;
import com.example.nto.service.CodeService;
import com.example.nto.service.EmployeeService;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.media.Content;
import io.swagger.v3.oas.annotations.media.Schema;
import io.swagger.v3.oas.annotations.responses.ApiResponse;
import io.swagger.v3.oas.annotations.responses.ApiResponses;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.security.core.Authentication;
import org.springframework.web.bind.annotation.*;

import javax.validation.Valid;
import java.time.LocalDateTime;
import java.util.List;
import java.util.Optional;
import java.util.logging.Level;
import java.util.logging.Logger;

@RestController
@RequestMapping("/api/employee/")
public class EmployeeController {
    @Autowired
    private EmployeeService employeeService;
    @Autowired
    private CodeService codeService;

    @Operation(summary = "Get employee info")
    @ApiResponses(value = {
            @ApiResponse(responseCode = "200",
                    description = "OK",
                    content = {@Content(mediaType = "application/json",
                            schema = @Schema(implementation = Employee.class))}),
            @ApiResponse(responseCode = "401",
                    description = "Login not found or invalid",
                    content = {@Content(mediaType = "application/json",
                            schema = @Schema(implementation = ResponseData.class))}),
            @ApiResponse(responseCode = "400",
                    description = "Something went wrong",
                    content = {@Content(mediaType = "application/json",
                            schema = @Schema(implementation = ResponseData.class))})
    })
    @GetMapping("/info")
    public ResponseEntity<?> info(Authentication authentication) {
        try {
            String username = authentication.getName();

            Optional<Employee> employee = employeeService.findByLogin(username);
            if (employee.isEmpty()) {
                throw new EmployeeNotFoundException();
            }

            return new ResponseEntity<>(employee.get(), HttpStatus.OK);
        } catch (Exception e) {
            System.out.println("Exception: " + e.getMessage());
            return new ResponseEntity<>(new ResponseData(HttpStatus.BAD_REQUEST.value(), e.getLocalizedMessage()), HttpStatus.BAD_REQUEST);
        }
    }


    @Operation(summary = "Get employee entries")
    @ApiResponses(value = {
            @ApiResponse(responseCode = "200",
                    description = "OK",
                    content = {@Content(mediaType = "application/json")}),
            @ApiResponse(responseCode = "401",
                    description = "Login not found or invalid",
                    content = {@Content(mediaType = "application/json",
                            schema = @Schema(implementation = ResponseData.class))}),
            @ApiResponse(responseCode = "400",
                    description = "Something went wrong",
                    content = {@Content(mediaType = "application/json",
                            schema = @Schema(implementation = ResponseData.class))})
    })
    @GetMapping("/visits")
    public ResponseEntity<?> getEmployeeVisits(Authentication authentication) {
        try {
            String username = authentication.getName();

            Optional<Employee> employee = employeeService.findByLogin(username);
            if (employee.isEmpty()) {
                throw new EmployeeNotFoundException();
            }
            Optional<List<Visits>> visits = Optional.ofNullable(employeeService.getEmployeeVisits(username));

            if (visits.isEmpty()) {
                throw new VisitsEmptyException();
            }

            return new ResponseEntity<>(visits.get(), HttpStatus.OK);
        } catch (Exception e) {
            System.out.println("Exception: " + e.getMessage());
            return new ResponseEntity<>(new ResponseData(HttpStatus.BAD_REQUEST.value(), e.getLocalizedMessage()), HttpStatus.BAD_REQUEST);
        }
    }

    @Operation(summary = "Open door with code")
    @ApiResponses(value = {
            @ApiResponse(responseCode = "200",
                    description = "Door opened success",
                    content = {@Content(mediaType = "application/json",
                            schema = @Schema(implementation = ResponseData.class))}),
            @ApiResponse(responseCode = "401",
                    description = "Login not found or invalid",
                    content = {@Content(mediaType = "application/json",
                            schema = @Schema(implementation = ResponseData.class))}),
            @ApiResponse(responseCode = "400",
                    description = "Something went wrong",
                    content = {@Content(mediaType = "application/json",
                            schema = @Schema(implementation = ResponseData.class))}),
            @ApiResponse(responseCode = "403",
                    description = "Employee is blocked",
                    content = {@Content(mediaType = "application/json",
                            schema = @Schema(implementation = ResponseData.class))})
    })
    @PatchMapping("/open")
    public ResponseEntity<?> open(Authentication authentication, @Valid @RequestBody CodeBody body) {
        try {
            String username = authentication.getName();

            Optional<Employee> employee = employeeService.findByLogin(username);
            if (employee.isEmpty()) {
                throw new EmployeeNotFoundException();
            }
            if (employee.get().getBlocked()) {
                throw new YouAreBlockedException();
            }

            if (!codeService.exists(body.getValue())) {
                throw new CodeNotFoundException();
            }

            LocalDateTime time = LocalDateTime.now();
            employeeService.setLastVisitEmployee(employee.get().getId(), time);
            employeeService.addVisit(employee.get().getLogin(), time, "" + body.getValue());
            return new ResponseEntity<>(new ResponseData(HttpStatus.OK.value(), "DoorOpenedSuccess"), HttpStatus.OK);
        } catch (Exception e) {
            System.out.println("Exception: " + e.getMessage());
            return new ResponseEntity<>(new ResponseData(HttpStatus.BAD_REQUEST.value(), e.getLocalizedMessage()), HttpStatus.BAD_REQUEST);
        }
    }
}