#include "LOGIC/Lgc_Func_Button.h"

#include "LOGIC/Lgc_Core.h"
#include "LOGIC/Lgc_Func_Button_Private.h"
#include "MID/Mid_Def.h"
#include <algorithm>

QString Lgc_FunctionButton_GetUsageShortText(quint16 Usage)
{
    switch (Usage)
    {
    case 0x0053: return QStringLiteral("Num");
    case 0x0054: return QStringLiteral("/");
    case 0x0055: return QStringLiteral("*");
    case 0x0056: return QStringLiteral("-");
    case 0x0057: return QStringLiteral("+");
    case 0x0058: return QStringLiteral("Enter");
    case 0x0059: return QStringLiteral("1");
    case 0x005A: return QStringLiteral("2");
    case 0x005B: return QStringLiteral("3");
    case 0x005C: return QStringLiteral("4");
    case 0x005D: return QStringLiteral("5");
    case 0x005E: return QStringLiteral("6");
    case 0x005F: return QStringLiteral("7");
    case 0x0060: return QStringLiteral("8");
    case 0x0061: return QStringLiteral("9");
    case 0x0062: return QStringLiteral("0");
    case 0x0063: return QStringLiteral(".");
    default:
        return Mid_GetKeyboardUsageText(Usage);
    }
}

QString Lgc_FunctionButton_GetFeatureTypeText(Lgc_FunctionFeature_Type Type)
{
    switch (Type)
    {
    case Lgc_FunctionFeature_Type::KeyCombination:
        return QStringLiteral("快捷键");

    case Lgc_FunctionFeature_Type::KeySequence:
        return QStringLiteral("快捷键序列");

    case Lgc_FunctionFeature_Type::Website:
        return QStringLiteral("打开网址");

    default:
        return QStringLiteral("未知类型");
    }
}

QVector<quint16> Lgc_FunctionButton_GetConfigurableUsages()
{
    return {
        0x0053, 0x0054, 0x0055, 0x0056,
        0x005F, 0x0060, 0x0061, 0x0057,
        0x005C, 0x005D, 0x005E,
        0x0059, 0x005A, 0x005B, 0x0058,
        0x0062, 0x0063
    };
}

QVector<int> Lgc_FunctionButton_GetFeatureIdList(const Lgc_FunctionButton_Config& Config)
{
    QVector<int> FeatureIdList = Config.FeatureMap.keys().toVector();
    std::sort(FeatureIdList.begin(), FeatureIdList.end());
    return FeatureIdList;
}

Lgc_FunctionFeature_Definition Lgc_FunctionButton_GetFeature(
    const Lgc_FunctionButton_Config& Config,
    int FeatureId)
{
    return Config.FeatureMap.value(FeatureId);
}

QString Lgc_FunctionButton_GetFeatureName(const Lgc_FunctionFeature_Definition& Feature)
{
    if (!Feature.Name.trimmed().isEmpty())
    {
        return Feature.Name.trimmed();
    }
    return Feature.Id > 0 ? QStringLiteral("功能%1").arg(Feature.Id) : QStringLiteral("未命名功能");
}

int Lgc_FunctionButton_AddFeature(Lgc_FunctionButton_Config* p_Config)
{
    if (p_Config == nullptr)
    {
        return 0;
    }

    int FeatureId = 1;
    while (p_Config->FeatureMap.contains(FeatureId))
    {
        ++FeatureId;
    }
    p_Config->NextFeatureId = FeatureId + 1;

    Lgc_FunctionFeature_Definition Feature;
    Feature.Id = FeatureId;
    Feature.Name = QStringLiteral("功能%1").arg(FeatureId);
    Feature.Type = Lgc_FunctionFeature_Type::KeyCombination;
    p_Config->FeatureMap.insert(FeatureId, Feature);
    return FeatureId;
}

void Lgc_FunctionButton_RemoveFeature(Lgc_FunctionButton_Config* p_Config, int FeatureId)
{
    if ((p_Config == nullptr) || (FeatureId <= 0))
    {
        return;
    }

    p_Config->FeatureMap.remove(FeatureId);
    if (p_Config->FeatureMap.isEmpty())
    {
        p_Config->NextFeatureId = 1;
    }
    else if (FeatureId < p_Config->NextFeatureId)
    {
        p_Config->NextFeatureId = FeatureId;
    }

    auto It = p_Config->UsageFeatureIdMap.begin();
    while (It != p_Config->UsageFeatureIdMap.end())
    {
        if (It.value() == FeatureId)
        {
            It = p_Config->UsageFeatureIdMap.erase(It);
        }
        else
        {
            ++It;
        }
    }
}

void Lgc_FunctionButton_SetFeature(
    Lgc_FunctionButton_Config* p_Config,
    const Lgc_FunctionFeature_Definition& Feature)
{
    if ((p_Config == nullptr) || (Feature.Id <= 0))
    {
        return;
    }

    p_Config->FeatureMap.insert(Feature.Id, Feature);
    if (p_Config->NextFeatureId <= Feature.Id)
    {
        p_Config->NextFeatureId = Feature.Id + 1;
    }
}

int Lgc_FunctionButton_GetUsageFeatureId(
    const Lgc_FunctionButton_Config& Config,
    quint16 Usage)
{
    const int FeatureId = Config.UsageFeatureIdMap.value(Usage, 0);
    return Config.FeatureMap.contains(FeatureId) ? FeatureId : 0;
}

void Lgc_FunctionButton_SetUsageFeatureId(
    Lgc_FunctionButton_Config* p_Config,
    quint16 Usage,
    int FeatureId)
{
    if (p_Config == nullptr)
    {
        return;
    }

    if ((FeatureId <= 0) || !p_Config->FeatureMap.contains(FeatureId))
    {
        p_Config->UsageFeatureIdMap.remove(Usage);
        return;
    }

    p_Config->UsageFeatureIdMap.insert(Usage, FeatureId);
}

bool Lgc_FunctionButton_HasUsageFeature(
    const Lgc_FunctionButton_Config& Config,
    quint16 Usage)
{
    return Lgc_FunctionButton_GetUsageFeatureId(Config, Usage) > 0;
}

bool Lgc_FunctionButton_SendUsageToWindows(quint16 Usage, bool IsPressed)
{
    const Lgc_FunctionButton_Struct_WindowsKey Key = Lgc_FunctionButton_GetWindowsKey(Usage);
    return Lgc_FunctionButton_SendWindowsKey(Key, IsPressed);
}

bool Lgc_FunctionButton_RunBinding(
    Lgc_Core_Struct_State* p_State,
    quint16 Usage,
    QString* p_TextStatus)
{
    if ((p_State == nullptr) || (p_TextStatus == nullptr))
    {
        return false;
    }

    *p_TextStatus = QString();
    const int FeatureId =
        Lgc_FunctionButton_GetUsageFeatureId(p_State->FunctionButtonConfig, Usage);
    if (FeatureId <= 0)
    {
        return false;
    }

    const Lgc_FunctionFeature_Definition Feature =
        Lgc_FunctionButton_GetFeature(p_State->FunctionButtonConfig, FeatureId);
    if (Feature.Id <= 0)
    {
        return false;
    }

    switch (Feature.Type)
    {
    case Lgc_FunctionFeature_Type::KeyCombination:
        Lgc_FunctionButton_RunKeyCombination(Feature, Usage, p_TextStatus);
        return true;

    case Lgc_FunctionFeature_Type::KeySequence:
        Lgc_FunctionButton_RunKeySequence(Feature, Usage, p_TextStatus);
        return true;

    case Lgc_FunctionFeature_Type::Website:
        Lgc_FunctionButton_RunOpenWebsite(Feature, p_TextStatus);
        return true;

    default:
        *p_TextStatus = QStringLiteral("%1 绑定了未知功能。")
            .arg(Lgc_FunctionButton_GetFeatureName(Feature));
        return true;
    }
}