// Copyright Epic Games, Inc. All Rights Reserved.

#pragma once

#include "CoreMinimal.h"

namespace Insights
{

struct FGraphConfig
{
    FString Title;           // the name of the graph
    FString StatString;      // the stats to include
    FString IgnoreStats;     // the stats to exclude
    FString HideStatPrefix;  // the graph series will be named excluding the specified stat prefix
    FString MainStat;        // the main stat (for stacked graph)
    FString ShowEvents;      // ??

    uint32 MaxHierarchyDepth      = 4;  // ??

    bool bStacked                 = false;  // if graph series are stacked or not
    bool bRequiresDetailedStats   = false;  // ??
    bool bShowAverages            = false;
    bool bSmooth                  = false;  // ??
    bool bVSync                   = false;  // ??

    double LegendAverageThreshold = 0.0;    // ??
    double SmoothKernelSize       = -1.0;   // ??
    double SmoothKernelPercent    = 1.0;    // ??
    double Thickness              = 100.0;  // ??
    double Compression            = 0.05;   // ??

    float Width                   = 1800.0f;  // the width of the graph
    float Height                  = 600.0f;   // the height of the graph

    double MinY                   = 0.0;  // min vertical value
    double MaxY                   = 0.0;  // max vertical value
    double Budget                 = 0.0;  // budget
};

struct FGraphGroupConfig
{
    FString Name;
    TArray<FGraphConfig> Graphs;
};

struct FReportSummaryTableConfig
{
    FString Name;
    FString RowSort;
    FString Filter;
};

struct FReportTypeSummaryConfig
{
    FString Type;
    // TODO: float Fps;
    // TODO: float HitchThreshold;
    // TODO: bool bUseEngineHitchMetric;
    FString Stats;  // <stats>
    // TODO: <colourThresholds>[]
    const FReportSummaryTableConfig* SummaryTable = nullptr;  // valid only until the FReportConfig is further changed
};

struct FReportTypeGraphConfig
{
    FString Title;
    double Budget                   = 0.0;
    bool bInSummary                 = false;    // ??
    bool bInMainSummary             = false;    // ??
    const FGraphConfig* GraphConfig = nullptr;  // valid only until the FReportConfig is further changed
};

struct FReportTypeConfig
{
    FString Name;
    FString Title;
    FString IgnoreList;   // ??
    bool bVSync = false;  // ??
    // TODO: <autodetection>
    FString MetadataToShow;  // ??
    TArray<FReportTypeSummaryConfig> Summaries;
    TArray<FReportTypeGraphConfig> Graphs;

    FReportTypeConfig() = default;

private:
    FReportTypeConfig(const FReportTypeConfig&) = delete;
};

struct FReportConfig
{
    // TODO: <statDisplayNameMappings>
    // TODO: <csvEventsToStrip>
    TArray<FReportSummaryTableConfig> SummaryTables;
    TArray<FGraphGroupConfig> GraphGroups;
    TArray<FReportTypeConfig> ReportTypes;

    FReportConfig() = default;

private:
    FReportConfig(const FReportConfig&) = delete;
};

}  // namespace Insights