package de.iwomm.propify_api.controller;

import de.iwomm.propify_api.dto.NewProjectDTO;
import de.iwomm.propify_api.dto.ProjectDTO;
import de.iwomm.propify_api.dto.ProjectDetailsDTO;
import de.iwomm.propify_api.dto.ProjectStatsDTO;
import de.iwomm.propify_api.entity.Project;
import de.iwomm.propify_api.mapper.ProjectMapper;
import de.iwomm.propify_api.service.ProjectService;
import jakarta.persistence.EntityNotFoundException;
import org.springframework.http.ResponseEntity;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.servlet.support.ServletUriComponentsBuilder;

import java.net.URI;
import java.util.List;
import java.util.UUID;

@RestController
@RequestMapping("/api/v1/projects")
public class ProjectController {
    private final ProjectService projectService;
    private final ProjectMapper projectMapper;

    public ProjectController(ProjectService projectService, ProjectMapper projectMapper) {
        this.projectService = projectService;
        this.projectMapper = projectMapper;
    }

    @GetMapping
    @PreAuthorize("hasAnyRole('ROLE_ADMIN', 'ROLE_USER')")
    public ResponseEntity<?> getAll() {
        List<ProjectDTO> projectDTOs = projectService.toDTOs(projectService.findAll());

        return ResponseEntity
                .ok(projectDTOs);
    }

    @GetMapping("/{id}")
    @PreAuthorize("hasAnyRole('ADMIN', 'USER')")
    public ResponseEntity<?> getById(@PathVariable UUID id) {
        try {
            Project project = projectService.findById(id).orElseThrow(EntityNotFoundException::new);
            ProjectDetailsDTO projectDTO = this.projectMapper.projectToProjectDetailsDTO(project);

            return ResponseEntity
                    .ok(projectDTO);
        } catch (EntityNotFoundException e) {
            return ResponseEntity
                    .notFound()
                    .build();
        } catch (Exception e) {
            return ResponseEntity
                    .internalServerError()
                    .build();
        }
    }

    @GetMapping("/stats")
    @PreAuthorize("hasAnyRole('ROLE_ADMIN', 'ROLE_USER')")
    public ResponseEntity<?> getProjectStats() {

        ProjectStatsDTO projectStatsDTO = this.projectService.getStatsDTO();

        List<ProjectDTO> projectDTOs = projectService.toDTOs(projectService.findAll());

        return ResponseEntity
                .ok(projectStatsDTO);
    }


    @PostMapping
    @PreAuthorize("hasRole('ADMIN')")
    public ResponseEntity<?> create(@RequestBody NewProjectDTO newProjectDTO) {
        try {
            Project newItem = projectService.save(newProjectDTO);

            URI location = ServletUriComponentsBuilder.fromCurrentRequest()
                    .path("/{id}")
                    .buildAndExpand(newItem.getId())
                    .toUri();

            return ResponseEntity
                    .created(location)
                    .body(newItem);
        } catch (Exception e) {
            return ResponseEntity
                    .internalServerError()
                    .build();
        }
    }
}