package com.recipeapp.recipe;

import com.recipeapp.common.ApiResponse;
import com.recipeapp.recipe.dto.*;
import jakarta.validation.Valid;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;

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

@RestController
@RequestMapping("/v1/recipes")
public class RecipeController {

    private final RecipeService recipeService;
    private final HouseholdResolver householdResolver;

    public RecipeController(RecipeService recipeService, HouseholdResolver householdResolver) {
        this.recipeService = recipeService;
        this.householdResolver = householdResolver;
    }

    @GetMapping
    public ResponseEntity<ApiResponse<List<RecipeSummaryResponse>>> listRecipes(
            Principal principal,
            @RequestParam(required = false) String search,
            @RequestParam(required = false) String effort,
            @RequestParam(name = "cookTimeMin.lte", required = false) Integer cookTimeMaxMin,
            @RequestParam(required = false) String sort,
            @RequestParam(defaultValue = "20") int limit,
            @RequestParam(defaultValue = "0") int offset) {

        UUID householdId = householdResolver.resolve(principal.getName());
        List<RecipeSummaryResponse> recipes = recipeService.listRecipes(
                householdId, search, effort, cookTimeMaxMin, sort, limit, offset);
        long total = recipeService.countRecipes(
                householdId, search, effort, cookTimeMaxMin);

        var pagination = new ApiResponse.Pagination(total, limit, offset, offset + limit < total);
        var meta = new ApiResponse.Meta(pagination);
        return ResponseEntity.ok(ApiResponse.success(recipes, meta));
    }

    @GetMapping("/{id}")
    public RecipeDetailResponse getRecipe(Principal principal, @PathVariable UUID id) {
        UUID householdId = householdResolver.resolve(principal.getName());
        return recipeService.getRecipe(householdId, id);
    }

    @PostMapping
    public ResponseEntity<RecipeDetailResponse> createRecipe(
            Principal principal,
            @Valid @RequestBody RecipeCreateRequest request) {
        UUID householdId = householdResolver.resolve(principal.getName());
        RecipeDetailResponse detail = recipeService.createRecipe(householdId, request);
        return ResponseEntity.created(URI.create("/v1/recipes/" + detail.id())).body(detail);
    }

    @PutMapping("/{id}")
    public RecipeDetailResponse updateRecipe(
            Principal principal,
            @PathVariable UUID id,
            @Valid @RequestBody RecipeCreateRequest request) {
        UUID householdId = householdResolver.resolve(principal.getName());
        return recipeService.updateRecipe(householdId, id, request);
    }

    @DeleteMapping("/{id}")
    @ResponseStatus(HttpStatus.NO_CONTENT)
    public void deleteRecipe(Principal principal, @PathVariable UUID id) {
        UUID householdId = householdResolver.resolve(principal.getName());
        recipeService.deleteRecipe(householdId, id);
    }
}