import 'dart:developer';
import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'package:onufitness/constants/api_endpoints.dart';
import 'package:onufitness/screens/accounts/model/coach_rating_response_model.dart';
import 'package:onufitness/services/api_services/base_api_services.dart';
import 'package:onufitness/utils/custom_sneakbar.dart';

class RatingsReviewsController extends GetxController {
  var isLoading = false.obs;
  var coachRatingsData = Rxn<CoachRatingsResponseModel>();
  var currentPage = 1.obs;
  var pageSize = 10.obs;
  var hasMoreData = true.obs;
  var isLoadingMore = false.obs;

  @override
  void onInit() {
    fetchRatingsReviews(isRefresh: true);
    super.onInit();
    scrollController = ScrollController();
    scrollController.addListener(_scrollListener);
  }

  @override
  void onClose() {
    scrollController.dispose();
    super.onClose();
  }

  late ScrollController scrollController;
  void _scrollListener() {
    if (scrollController.position.pixels ==
        scrollController.position.maxScrollExtent) {
      if (!isLoadingMore.value && hasMoreData.value) {
        loadMoreReviews();
      }
    }
  }

  Future<void> fetchRatingsReviews({bool isRefresh = false}) async {
    if (isRefresh) {
      currentPage.value = 1;
      hasMoreData.value = true;
    }

    isLoading(true);
    try {
      var response = await ApiBase.getRequest(
        extendedURL:
            "${ApiUrl.getCoachReviewRating}?PageNumber=${currentPage.value}&PageSize=${pageSize.value}",
        sendHeaders: true,
      );

      log("Response Status Code: ${response.statusCode}");
      log("Response Body: ${response.body}");

      if (response.statusCode == 200 || response.statusCode == 201) {
        var responseModel = coachRatingsResponseModelFromJson(response.body);

        if (responseModel.isSuccess == true) {
          if (isRefresh || currentPage.value == 1) {
            coachRatingsData.value = responseModel;
          } else {
            // Append new reviews to existing list
            if (coachRatingsData.value?.data?.userReviewRatings != null) {
              coachRatingsData.value!.data!.userReviewRatings!.addAll(
                responseModel.data?.userReviewRatings ?? [],
              );
              coachRatingsData.refresh();
            }
          }

          // Check if there are more reviews to load
          int currentReviewsCount =
              coachRatingsData.value?.data?.userReviewRatings?.length ?? 0;
          int totalReviews = coachRatingsData.value?.data?.totalReviews ?? 0;
          hasMoreData.value = currentReviewsCount < totalReviews;
        } else {
          log("Failed to fetch reviews : Else 1");
        }
      } else {
        log("Failed to fetch reviews : Else 2");
      }
    } catch (e) {
      log("Error fetching ratings: ${e.toString()}");
      customSnackbar(
        title: "Error",
        message: "Something went wrong while fetching reviews",
      );
    }
    isLoading(false);
  }

  Future<void> loadMoreReviews() async {
    if (isLoadingMore.value || !hasMoreData.value) return;

    isLoadingMore(true);
    currentPage.value++;

    try {
      var response = await ApiBase.getRequest(
        extendedURL:
            "${ApiUrl.getCoachReviewRating}?PageNumber=${currentPage.value}&PageSize=${pageSize.value}",
        sendHeaders: true,
      );
      log("Ratting response body :------> ${response.body}");
      if (response.statusCode == 200 || response.statusCode == 201) {
        var responseModel = coachRatingsResponseModelFromJson(response.body);

        if (responseModel.isSuccess == true &&
            responseModel.data?.userReviewRatings != null) {
          if (responseModel.data!.userReviewRatings!.isNotEmpty) {
            coachRatingsData.value!.data!.userReviewRatings!.addAll(
              responseModel.data!.userReviewRatings!,
            );
            coachRatingsData.refresh();
          } else {
            hasMoreData.value = false;
          }

          int currentReviewsCount =
              coachRatingsData.value?.data?.userReviewRatings?.length ?? 0;
          int totalReviews = coachRatingsData.value?.data?.totalReviews ?? 0;
          hasMoreData.value = currentReviewsCount < totalReviews;
        } else {
          hasMoreData.value = false;
        }
      } else {
        hasMoreData.value = false;
      }
    } catch (e) {
      log("Error loading more reviews: ${e.toString()}");
      hasMoreData.value = false;
    }
    isLoadingMore(false);
  }

  Future<void> refreshReviews() async {
    await fetchRatingsReviews(isRefresh: true);
  }

  // Get rating percentage for progress bars
  double getRatingPercentage(int starCount, int totalReviews) {
    if (totalReviews == 0) {
      return 0.0;
    } else {
      return (starCount / totalReviews) * 100;
    }
  }

  // Get star count by rating
  int getStarCount(int rating) {
    switch (rating) {
      case 5:
        return coachRatingsData.value?.data?.countOf5Star ?? 0;
      case 4:
        return coachRatingsData.value?.data?.countOf4Star ?? 0;
      case 3:
        return coachRatingsData.value?.data?.countOf3Star ?? 0;
      case 2:
        return coachRatingsData.value?.data?.countOf2Star ?? 0;
      case 1:
        return coachRatingsData.value?.data?.countOf1Star ?? 0;
      default:
        return 0;
    }
  }
}