package com.recipeapp.household;

import com.recipeapp.auth.AuthService;
import com.recipeapp.common.ApiResponse;
import com.recipeapp.household.dto.*;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.validation.Valid;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;

import java.security.Principal;
import java.util.List;
import java.util.Optional;
import java.util.UUID;

@RestController
@RequestMapping("/v1")
public class HouseholdController {

    private final HouseholdService householdService;
    private final AuthService authService;

    public HouseholdController(HouseholdService householdService, AuthService authService) {
        this.householdService = householdService;
        this.authService = authService;
    }

    @PostMapping("/households")
    public ResponseEntity<ApiResponse<HouseholdResponse>> createHousehold(
            Principal principal,
            @Valid @RequestBody CreateHouseholdRequest request) {
        HouseholdResponse response = householdService.createHousehold(principal.getName(), request);
        return ResponseEntity.status(HttpStatus.CREATED).body(ApiResponse.success(response));
    }

    @GetMapping("/households/mine")
    public ResponseEntity<ApiResponse<HouseholdResponse>> getMyHousehold(Principal principal) {
        HouseholdResponse response = householdService.getMyHousehold(principal.getName());
        return ResponseEntity.ok(ApiResponse.success(response));
    }

    @GetMapping("/households/mine/members")
    public ResponseEntity<List<MemberResponse>> getMembers(Principal principal) {
        List<MemberResponse> members = householdService.getMembers(principal.getName());
        return ResponseEntity.ok(members);
    }

    @GetMapping("/households/mine/invites")
    public ResponseEntity<ApiResponse<InviteResponse>> getActiveInvite(Principal principal) {
        Optional<InviteResponse> invite = householdService.getActiveInvite(principal.getName());
        return invite
                .map(r -> ResponseEntity.ok(ApiResponse.success(r)))
                .orElse(ResponseEntity.noContent().build());
    }

    @PostMapping("/households/mine/invites")
    public ResponseEntity<ApiResponse<InviteResponse>> createInvite(Principal principal) {
        InviteResponse response = householdService.createInvite(principal.getName());
        return ResponseEntity.status(HttpStatus.CREATED).body(ApiResponse.success(response));
    }

    @DeleteMapping("/households/mine/members/{userId}")
    public ResponseEntity<Void> removeMember(Principal principal, @PathVariable UUID userId) {
        householdService.removeMember(principal.getName(), userId);
        return ResponseEntity.noContent().build();
    }

    @PatchMapping("/households/mine/members/{userId}")
    public ResponseEntity<ApiResponse<MemberResponse>> changeMemberRole(
            Principal principal,
            @PathVariable UUID userId,
            @Valid @RequestBody ChangeRoleRequest request) {
        MemberResponse response = householdService.changeMemberRole(principal.getName(), userId, request.role());
        return ResponseEntity.ok(ApiResponse.success(response));
    }

    @GetMapping("/invites/{code}")
    public ResponseEntity<ApiResponse<InviteInfoResponse>> getInviteInfo(@PathVariable String code) {
        InviteInfoResponse response = householdService.getInviteInfo(code);
        return ResponseEntity.ok(ApiResponse.success(response));
    }

    @PostMapping("/invites/{code}/accept")
    public ResponseEntity<ApiResponse<AcceptInviteResponse>> acceptInvite(
            @PathVariable String code,
            @Valid @RequestBody AcceptInviteRequest request,
            HttpServletRequest httpRequest) {
        AcceptInviteResponse response = householdService.acceptInvite(
                code, request.name(), request.email(), request.password());
        authService.authenticateInSession(request.email(), "user", httpRequest);
        return ResponseEntity.ok(ApiResponse.success(response));
    }
}