using System;
using System.Collections.Generic;
using System.IO;
using System.Web;
using Google.Api.Ads.AdWords.Lib;
using Google.Api.Ads.AdWords.Util.Reports;
using Google.Api.Ads.AdWords.v201306;

namespace GoogleAdwards.Utility
{
    public class GoogleSelectedAccountsPerformanceReport
    {
        private const string Service = "adwords";
        public string AuthenticationEmail { get; set; }
        public string AuthenticationPassword { get; set; }
        public string DeveloperToken { get; set; }
        public string ClientCustomerId { get; set; }
        public string ReportName { get; set; }
        public string ReportFolder { get; set; }
        public string ReportFileName { get; set; }
        public string[] SelectorFields { get { return new[] { "Login", "CustomerId", "Name", "CanManageClients" }; } }
        public ReportDefinitionReportType[] ReportTypes { get; set; }
        public ReportDefinitionReportType ReportType { get; set; }
        public string FilePath { get; set; }
        public string ReportFileFolder { get; set; }
        public string BaseFolder { get; set; }
        public DateTime StartDate { get; set; }
        public DateTime EndDate { get; set; }
        public string ReportSuffix { get; set; }

        public string DownloadReportData(long clientId, string clientName)
        {
            var customDictionary = new Dictionary<string, string> { { "clientCustomerId", clientId.ToString() } };

            var predicates = new List<Predicate>();
            var predicate = new Predicate
                {
                    field = "Status",
                    @operator = PredicateOperator.IN,
                    values = new[] {"ACTIVE", "PAUSED", "DELETED"}
                };

            predicates.Add(predicate);

            var selector = new Selector { fields = SelectorFields, predicates = predicates.ToArray() };

            var user = new AdWordsUser(customDictionary);
            foreach (var type in ReportTypes)
            {
                ReportType = type;
                switch (type)
                {
                    case ReportDefinitionReportType.CAMPAIGN_PERFORMANCE_REPORT:
                        ReportSuffix = "_Campaign_Performance_Report";
                        selector.fields = new[]
                        {
                            PerformanceSelector.Date,
                            PerformanceSelector.AccountId,
                            PerformanceSelector.AccountName,
                            PerformanceSelector.CampaignId,
                            PerformanceSelector.CampaignName,
                            PerformanceSelector.Impressions,
                            PerformanceSelector.Clicks,
                            PerformanceSelector.AveragePosition,
                            PerformanceSelector.Cost,
                            PerformanceSelector.AverageCpc,
                            PerformanceSelector.ClickThroughRate,
                            PerformanceSelector.Conversions,
                            PerformanceSelector.ConversionRate,
                            PerformanceSelector.CostPerConversion,
                            PerformanceSelector.ClickThroughRate,
                        };

                        var dates = new DateRange { min = String.Format("{0:yyyyMMdd}", StartDate), max = String.Format("{0:yyyyMMdd}", EndDate) };
                        selector.dateRange = dates;

                        break;

                    case ReportDefinitionReportType.ADGROUP_PERFORMANCE_REPORT:
                        ReportSuffix = "_Adgroup_Performance_Report";
                        selector.fields = new[]
                        {
                            PerformanceSelector.Date,
                            PerformanceSelector.CampaignId,
                            PerformanceSelector.CampaignName,
                            PerformanceSelector.AdGroupId,
                            PerformanceSelector.AdGroupName,
                            PerformanceSelector.Impressions,
                            PerformanceSelector.Clicks,
                            PerformanceSelector.AveragePosition,
                            PerformanceSelector.Cost,
                            PerformanceSelector.AverageCpc,
                            PerformanceSelector.ClickThroughRate,
                            PerformanceSelector.Conversions,
                            PerformanceSelector.ConversionRate,
                            PerformanceSelector.CostPerConversion,
                            PerformanceSelector.ClickThroughRate,
                        };

                        dates = new DateRange { min = String.Format("{0:yyyyMMdd}", StartDate), max = String.Format("{0:yyyyMMdd}", EndDate) };
                        selector.dateRange = dates;

                        break;

                    case ReportDefinitionReportType.KEYWORDS_PERFORMANCE_REPORT:
                        ReportSuffix = "_Keyword_Performance_Report";
                        selector.fields = new[]
                        {
                            PerformanceSelector.Date,
                            PerformanceSelector.KeywordId,
                            PerformanceSelector.KeywordText,
                            PerformanceSelector.AccountName,
                            PerformanceSelector.CampaignId,
                            PerformanceSelector.CampaignName,
                            PerformanceSelector.AdGroupId,
                            PerformanceSelector.AdGroupName,
                            PerformanceSelector.KeywordMatchType,
                            PerformanceSelector.Impressions,
                            PerformanceSelector.Clicks,
                            PerformanceSelector.AveragePosition,
                            PerformanceSelector.Cost,
                            PerformanceSelector.AverageCpc,
                            PerformanceSelector.ClickThroughRate,
                            PerformanceSelector.Conversions,
                            PerformanceSelector.ConversionRate,
                            PerformanceSelector.CostPerConversion,
                        };

                        dates = new DateRange { min = String.Format("{0:yyyyMMdd}", StartDate), max = String.Format("{0:yyyyMMdd}", EndDate) };
                        selector.dateRange = dates;

                        break;

                    case ReportDefinitionReportType.DISPLAY_KEYWORD_PERFORMANCE_REPORT:
                        ReportSuffix = "_Display_Keyword_Performance_Report";
                        selector.fields = new[]
                        {
                            PerformanceSelector.Date,
                            PerformanceSelector.KeywordId,
                            PerformanceSelector.KeywordText,
                            PerformanceSelector.CampaignId,
                            PerformanceSelector.CampaignName,
                            PerformanceSelector.AdGroupId,
                            PerformanceSelector.AdGroupName,
                            PerformanceSelector.Impressions,
                            PerformanceSelector.Clicks,
                            PerformanceSelector.Cost,
                            PerformanceSelector.AverageCpc,
                            PerformanceSelector.Conversions,
                            PerformanceSelector.ConversionRate,
                            PerformanceSelector.CostPerConversion,
                        };

                        dates = new DateRange { min = String.Format("{0:yyyyMMdd}", StartDate), max = String.Format("{0:yyyyMMdd}", EndDate) };
                        selector.dateRange = dates;
                        break;

                    case ReportDefinitionReportType.AD_PERFORMANCE_REPORT:
                        ReportSuffix = "_Ad_Performance_Report";
                        selector.fields = new[]
                        {
                            PerformanceSelector.Date,
                            PerformanceSelector.AccountName,
                            PerformanceSelector.CampaignName,
                            PerformanceSelector.AdGroupName,
                            PerformanceSelector.Id,
                            PerformanceSelector.Headline,
                            PerformanceSelector.Description1,
                            PerformanceSelector.Description2,
                            PerformanceSelector.AdStatus,
                            PerformanceSelector.DestinationUrl,
                            PerformanceSelector.DisplayUrl,
                            PerformanceSelector.Impressions,
                            PerformanceSelector.Clicks,
                            PerformanceSelector.AveragePosition,
                            PerformanceSelector.Cost,
                            PerformanceSelector.AverageCpc,
                            PerformanceSelector.ClickThroughRate,
                            PerformanceSelector.Conversions,
                            PerformanceSelector.ConversionRate,
                            PerformanceSelector.CostPerConversion
                        };

                        dates = new DateRange { min = String.Format("{0:yyyyMMdd}", StartDate), max = String.Format("{0:yyyyMMdd}", EndDate) };
                        selector.dateRange = dates;

                        break;
                }
            }

            var reportDefinition = new ReportDefinition
            {
                reportName = ReportName,
                dateRangeType = ReportDefinitionDateRangeType.CUSTOM_DATE,
                includeZeroImpressions = true,
                reportType = ReportType,
                downloadFormat = DownloadFormat.XML,
                selector = selector
            };

            //_baseFolder = HttpContext.Current.Server.MapPath("\\downloads\\" + DateTime.Now.Ticks);
            //_reportFileFolder = _baseFolder + "\\keyword-performance-report";
            FilePath = BaseFolder + "\\" + clientName.Replace(" ", "_") + ReportSuffix + ".xml";

            if (!Directory.Exists(BaseFolder))
                Directory.CreateDirectory(BaseFolder);

            //if (!Directory.Exists(ReportFolder))
            //    Directory.CreateDirectory(ReportFolder);

            var utilities = new ReportUtilities(user) { ReportVersion = "v201306" };
            var report = utilities.DownloadClientReport(reportDefinition, false, FilePath);

            return FilePath;
        }
    }
}