using Newtonsoft.Json.Linq;
using Newtonsoft.Json;
using Pipefy.Models;
using System.Net.Http;
using System.Text;
using System.Threading.Tasks;
using System.Collections.Generic;

namespace Pipefy.Services
{
    public class PipefyApiService : IPipefyApiService
    {
        private readonly string _apiUrl;
        private readonly string _token;
        public PipefyApiService(string apiUrl, string token)
        {
            _apiUrl = apiUrl;
            _token = token;
        }

        public async Task<JArray> GetRecordsAsync(string tableId)
        {
            JArray allRecords = new JArray();
            string cursor = "null";
            string query = $"{{\"query\":\"query GetRecords($cursor: String){{    table_records(table_id: \\\"{tableId}\\\",first:50,after:$cursor){{        pageInfo{{            hasNextPage            endCursor        }}        edges{{            node{{                id            record_fields{{                    field {{                        id                    }}                    value                    array_value                }}            }}        }}    }}}}\",\"variables\":{{\"cursor\":{cursor}}}}}";
            bool hasNextPage = true;
            while (hasNextPage)
            {
                var httpClient = new HttpClient();
                httpClient.DefaultRequestHeaders.Add("Authorization", "Bearer " + _token);
                var request = new HttpRequestMessage(HttpMethod.Post, _apiUrl);
                request.Headers.Add("Accept", "application/json");
                var content = new StringContent(query, null, "application/json");
                request.Content = content;
                var response = await httpClient.SendAsync(request);
                if (response.IsSuccessStatusCode)
                {
                    var responseContent = await response.Content.ReadAsStringAsync();
                    var responseData = JObject.Parse(responseContent);
                    var records = responseData["data"]!["table_records"]!["edges"];
                    foreach (var record in records!)
                    {
                        allRecords.Add(record);
                    }
                    hasNextPage = responseData["data"]!["table_records"]!["pageInfo"]!["hasNextPage"]!.Value<bool>();
                    cursor = responseData["data"]!["table_records"]!["pageInfo"]!["endCursor"]!.Value<string>()!;
                    query = $"{{\"query\":\"query GetRecords($cursor: String){{    table_records(table_id: \\\"{tableId}\\\",first:50,after:$cursor){{        pageInfo{{            hasNextPage            endCursor        }}        edges{{            node{{                record_fields{{                    field {{                        id                    }}                    value                    array_value                }}            }}        }}    }}}}\",\"variables\":{{\"cursor\":\"{cursor}\"}}}}";
                }
                else
                {
                    allRecords.Clear();
                    return allRecords;
                }
            }
            return allRecords;
        }

        public async Task<JArray> GetGestoresAsync(string tableId)
        {
            // For now, this is the same as GetRecordsAsync, but can be customized if needed
            return await GetRecordsAsync(tableId);
        }

        public async Task<bool> CreateRecordsAsync(string tableId, List<ClasseEmpresas> records)
        {
            // This method should build the GraphQL mutation and send it in batches
            // For brevity, this is a simplified version
            if (records == null || records.Count == 0) return true;
            string strQuery = "{\"query\":\"mutation {\\r\\n  ";
            for (int i = 0; i < records.Count; i++)
            {
                if (i % 49 == 0) { strQuery = "{\"query\":\"mutation {\\r\\n  "; }
                strQuery = strQuery + $"N{i}: createTableRecord(input: {{ table_id: \\\"{tableId}\\\", fields_attributes: [ {{ field_id: \\\"nome_da_empresa\\\", field_value: \\\"{records[i].nome_da_empresa}\\\" }} {{ field_id: \\\"c_digo_smart\\\", field_value: \\\"{records[i].c_digo_smart}\\\" }} {{ field_id: \\\"modalidade\\\", field_value: \\\"{records[i].modalidade}\\\" }} {{ field_id: \\\"gestores\\\", field_value: \\\"{records[i].gestores}\\\" }}]}}) {{ table_record {{ id }}}}\\r\\n  ";
                if (i % 48 == 0 && i != 0)
                {
                    strQuery = strQuery + "}\",\"variables\":{}}";
                    var httpClient = new HttpClient();
                    httpClient.DefaultRequestHeaders.Add("Authorization", "Bearer " + _token);
                    var request = new HttpRequestMessage(HttpMethod.Post, _apiUrl);
                    request.Headers.Add("Accept", "application/json");
                    var content = new StringContent(strQuery, null, "application/json");
                    request.Content = content;
                    var response = await httpClient.SendAsync(request);
                }
            }
            strQuery = strQuery + "}\",\"variables\":{}}";
            var finalClient = new HttpClient();
            finalClient.DefaultRequestHeaders.Add("Authorization", "Bearer " + _token);
            var finalRequest = new HttpRequestMessage(HttpMethod.Post, _apiUrl);
            finalRequest.Headers.Add("Accept", "application/json");
            var finalContent = new StringContent(strQuery, null, "application/json");
            finalRequest.Content = finalContent;
            var finalResponse = await finalClient.SendAsync(finalRequest);
            return finalResponse.IsSuccessStatusCode;
        }
    }
}