package ua.com.dxrkness.controller;

import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.Parameter;
import io.swagger.v3.oas.annotations.responses.ApiResponse;
import io.swagger.v3.oas.annotations.tags.Tag;
import org.jspecify.annotations.NullMarked;
import org.jspecify.annotations.Nullable;
import org.springframework.http.MediaType;
import org.springframework.web.bind.annotation.*;
import ua.com.dxrkness.dto.VehicleRequest;
import ua.com.dxrkness.model.Vehicle;
import ua.com.dxrkness.service.VehicleService;

import java.util.List;

@RestController
@RequestMapping(
        value = "/vehicles",
        produces = {MediaType.APPLICATION_JSON_VALUE, MediaType.APPLICATION_XML_VALUE},
        consumes = {MediaType.APPLICATION_JSON_VALUE, MediaType.APPLICATION_XML_VALUE}
)
@Tag(name = "Vehicle", description = "Vehicles management")
@NullMarked
public class VehicleController {
    private final VehicleService service;

    public VehicleController(VehicleService service) {
        this.service = service;
    }

    @Operation(
            summary = "Retrieve all vehicles",
            description = "Get a list of all vehicles or filter by status"
    )
    @ApiResponse(responseCode = "200", description = "Successfully retrieved list of vehicles")
    @GetMapping(consumes = MediaType.ALL_VALUE)
    public List<Vehicle> getAll(
            @Parameter(description = "Filter vehicles by status (AVAILABLE, IN_TRANSIT, MAINTENANCE)")
            @RequestParam(name = "status", required = false) Vehicle.@Nullable Status status) {
        if (status != null) {
            return service.getByStatus(status);
        }
        return service.getAll();
    }

    @Operation(
            summary = "Retrieve a vehicle by ID",
            description = "Get a single vehicle by its ID"
    )
    @ApiResponse(responseCode = "200", description = "Vehicle found")
    @ApiResponse(responseCode = "404", description = "Vehicle not found")
    @GetMapping(value = "/{id}", consumes = MediaType.ALL_VALUE)
    public List<Vehicle> getById(
            @Parameter(description = "ID of the vehicle to retrieve", required = true)
            @PathVariable("id") long id) {
        return List.of(service.getById(id));
    }

    @Operation(
            summary = "Create a new vehicle",
            description = "Add a new vehicle to the system"
    )
    @ApiResponse(responseCode = "200", description = "Vehicle successfully created")
    @ApiResponse(responseCode = "400", description = "Invalid vehicle data provided")
    @PostMapping
    public Vehicle add(
            @io.swagger.v3.oas.annotations.parameters.RequestBody(
                    description = "Vehicle object to be created",
                    required = true
            )
            @RequestBody VehicleRequest newVehicle) {
        return service.add(newVehicle.toEntity());
    }

    @Operation(
            summary = "Update a vehicle (full)",
            description = "Update all fields of an existing vehicle by ID"
    )
    @ApiResponse(responseCode = "200", description = "Vehicle successfully updated")
    @ApiResponse(responseCode = "400", description = "Invalid vehicle data provided")
    @PutMapping("/{id}")
    public Vehicle update(
            @Parameter(description = "ID of the vehicle to update", required = true)
            @PathVariable("id") long id,
            @io.swagger.v3.oas.annotations.parameters.RequestBody(
                    description = "Updated vehicle object",
                    required = true
            )
            @RequestBody VehicleRequest newVehicle) {
        return service.update(id, newVehicle.toEntity());
    }

    @Operation(
            summary = "Update a vehicle (partial)",
            description = "Update specific fields of an existing vehicle by ID"
    )
    @ApiResponse(responseCode = "200", description = "Vehicle successfully updated")
    @ApiResponse(responseCode = "400", description = "Invalid vehicle data provided")
    @PatchMapping("/{id}")
    public Vehicle updatePatch(
            @Parameter(description = "ID of the vehicle to update", required = true)
            @PathVariable("id") long id,
            @io.swagger.v3.oas.annotations.parameters.RequestBody(
                    description = "Vehicle object with fields to update",
                    required = true
            )
            @RequestBody VehicleRequest newVehicle) {
        return service.update(id, newVehicle.toEntity());
    }


    @Operation(
            summary = "Delete a vehicle",
            description = "Delete a vehicle by its ID"
    )
    @ApiResponse(responseCode = "200", description = "Vehicle successfully deleted")
    @ApiResponse(responseCode = "404", description = "Vehicle not found")
    @DeleteMapping(value = "/{id}", consumes = MediaType.ALL_VALUE)
    public Vehicle delete(
            @Parameter(description = "ID of the vehicle to delete", required = true)
            @PathVariable("id") long id) {
        return service.delete(id);
    }
}