#include "CHudEnergyInterface.hpp"
#include "CAuiEnergyBarT01.hpp"
#include "CAuiMeter.hpp"
#include "GameGlobalObjects.hpp"
#include "CStringTable.hpp"
#include "CGuiTextPane.hpp"
#include "Audio/CSfxManager.hpp"
#include "CGuiFrame.hpp"

namespace urde
{

static const CAuiEnergyBarT01::FCoordFunc CoordFuncs[] =
{
    CHudEnergyInterface::CombatEnergyCoordFunc,
    CHudEnergyInterface::CombatEnergyCoordFunc,
    CHudEnergyInterface::XRayEnergyCoordFunc,
    CHudEnergyInterface::ThermalEnergyCoordFunc,
    CHudEnergyInterface::BallEnergyCoordFunc
};

static const float Tesselations[] =
{
    0.2f, 0.2f, 0.1f, 0.2f, 1.f
};

CHudEnergyInterface::CHudEnergyInterface(CGuiFrame& selHud, float tankEnergy, int totalEnergyTanks,
                                         int numTanksFilled, bool energyLow, EHudType hudType)
: x0_hudType(hudType), xc_tankEnergy(tankEnergy), x10_totalEnergyTanks(totalEnergyTanks),
  x14_numTanksFilled(numTanksFilled)
{
    x1c_24_ = true;
    x1c_25_ = true;
    x1c_26_barDirty = true;
    x1c_27_energyLow = energyLow;

    x20_textpane_energydigits = static_cast<CGuiTextPane*>(selHud.FindWidget("textpane_energydigits"));
    x24_meter_energytanks = static_cast<CAuiMeter*>(selHud.FindWidget("meter_energytanks"));
    x28_textpane_energywarning = static_cast<CGuiTextPane*>(selHud.FindWidget("textpane_energywarning"));
    x2c_energybart01_energybar = static_cast<CAuiEnergyBarT01*>(selHud.FindWidget("energybart01_energybar"));

    x2c_energybart01_energybar->SetCoordFunc(CoordFuncs[int(hudType)]);
    x2c_energybart01_energybar->SetTesselation(Tesselations[int(hudType)]);

    ITweakGuiColors::VisorEnergyBarColors barColors = g_tweakGuiColors->GetVisorEnergyBarColors(int(hudType));
    ITweakGuiColors::VisorEnergyInitColors initColors = g_tweakGuiColors->GetVisorEnergyInitColors(int(hudType));

    x20_textpane_energydigits->TextSupport().SetFontColor(initColors.digitsFont);
    x20_textpane_energydigits->TextSupport().SetOutlineColor(initColors.digitsOutline);

    x2c_energybart01_energybar->SetMaxEnergy(CPlayerState::GetBaseHealthCapacity());
    x2c_energybart01_energybar->SetFilledColor(barColors.filled);
    x2c_energybart01_energybar->SetShadowColor(barColors.shadow);
    x2c_energybart01_energybar->SetEmptyColor(barColors.empty);
    x2c_energybart01_energybar->SetFilledDrainSpeed(g_tweakGui->GetEnergyBarFilledSpeed());
    x2c_energybart01_energybar->SetShadowDrainSpeed(g_tweakGui->GetEnergyBarShadowSpeed());
    x2c_energybart01_energybar->SetShadowDrainDelay(g_tweakGui->GetEnergyBarDrainDelay());
    x2c_energybart01_energybar->SetIsAlwaysResetTimer(g_tweakGui->GetEnergyBarAlwaysResetDelay());

    x24_meter_energytanks->SetMaxCapacity(14);

    if (x28_textpane_energywarning)
    {
        x28_textpane_energywarning->TextSupport().SetFontColor(g_tweakGuiColors->GetEnergyWarningFont());
        x28_textpane_energywarning->TextSupport().SetOutlineColor(g_tweakGuiColors->GetEnergyWarningOutline());
        if (x1c_27_energyLow)
            x28_textpane_energywarning->TextSupport().SetText(g_MainStringTable->GetString(9));
        else
            x28_textpane_energywarning->TextSupport().SetText(u"");
    }

    for (int i=0 ; i<14 ; ++i)
    {
        CGuiGroup* g = static_cast<CGuiGroup*>(x24_meter_energytanks->GetWorkerWidget(i));
        if (CGuiWidget* w = g->GetWorkerWidget(0))
            w->SetColor(initColors.tankFilled);
        if (CGuiWidget* w = g->GetWorkerWidget(1))
            w->SetColor(initColors.tankEmpty);
    }
}

void CHudEnergyInterface::Update(float dt, float energyLowPulse)
{
    if (x28_textpane_energywarning)
    {
        if (x1c_27_energyLow)
        {
            x4_energyLowFader = std::min(x4_energyLowFader + 2.f * dt, 1.f);
            zeus::CColor color = zeus::CColor::skWhite;
            color.a = x4_energyLowFader * energyLowPulse;
            x28_textpane_energywarning->SetColor(color);
        }
        else
        {
            x4_energyLowFader = std::max(0.f, x4_energyLowFader - 2.f * dt);
            zeus::CColor color = zeus::CColor::skWhite;
            color.a = x4_energyLowFader * energyLowPulse;
            x28_textpane_energywarning->SetColor(color);
        }

        if (x28_textpane_energywarning->GetGeometryColor().a)
            x28_textpane_energywarning->SetIsVisible(true);
        else
            x28_textpane_energywarning->SetIsVisible(false);
    }

    if (x2c_energybart01_energybar->GetFilledEnergy() != x18_cachedBarEnergy || x1c_26_barDirty)
    {
        x1c_26_barDirty = false;
        x18_cachedBarEnergy = x2c_energybart01_energybar->GetFilledEnergy();
        std::string string = hecl::Format("%02d",
            int(std::fmod(x18_cachedBarEnergy, CPlayerState::GetEnergyTankCapacity())));
        x20_textpane_energydigits->TextSupport().SetText(string);
    }

    ITweakGuiColors::VisorEnergyBarColors barColors = g_tweakGuiColors->GetVisorEnergyBarColors(int(x0_hudType));
    zeus::CColor emptyColor = x1c_27_energyLow ? g_tweakGuiColors->GetEnergyBarEmptyLowEnergy() : barColors.empty;
    zeus::CColor filledColor = x1c_27_energyLow ? g_tweakGuiColors->GetEnergyBarFilledLowEnergy() : barColors.filled;
    zeus::CColor shadowColor = x1c_27_energyLow ? g_tweakGuiColors->GetEnergyBarShadowLowEnergy() : barColors.shadow;
    x2c_energybart01_energybar->SetFilledColor(zeus::CColor::lerp(
        zeus::CColor::lerp(filledColor, g_tweakGuiColors->GetEnergyBarFlashColor(), x8_flashMag),
        zeus::CColor(1.f, 0.8f, 0.4f, 1.f), energyLowPulse));
    x2c_energybart01_energybar->SetShadowColor(shadowColor);
    x2c_energybart01_energybar->SetEmptyColor(emptyColor);
}

void CHudEnergyInterface::SetEnergyLow(bool energyLow)
{
    if (x1c_27_energyLow == energyLow)
        return;

    std::u16string string;
    if (energyLow)
        string = g_MainStringTable->GetString(9);

    if (x28_textpane_energywarning)
        x28_textpane_energywarning->TextSupport().SetText(string);

    if (energyLow)
        CSfxManager::SfxStart(1405, 1.f, 0.f, false, 0x7f, false, kInvalidAreaId);

    x1c_27_energyLow = energyLow;
}

void CHudEnergyInterface::SetFlashMagnitude(float mag)
{
    x8_flashMag = zeus::clamp(0.f, mag, 1.f);
}

void CHudEnergyInterface::SetNumFilledEnergyTanks(int numTanksFilled)
{
    x14_numTanksFilled = numTanksFilled;
    x24_meter_energytanks->SetCurrValue(numTanksFilled);
}

void CHudEnergyInterface::SetNumTotalEnergyTanks(int totalEnergyTanks)
{
    x10_totalEnergyTanks = totalEnergyTanks;
    x24_meter_energytanks->SetCapacity(totalEnergyTanks);
}

void CHudEnergyInterface::SetCurrEnergy(float tankEnergy, bool wrapped)
{
    xc_tankEnergy = tankEnergy;
    x2c_energybart01_energybar->SetCurrEnergy(tankEnergy,
    tankEnergy == 0.f ? CAuiEnergyBarT01::ESetMode::Insta : CAuiEnergyBarT01::ESetMode(wrapped));
}

std::pair<zeus::CVector3f, zeus::CVector3f> CHudEnergyInterface::CombatEnergyCoordFunc(float t)
{
    float theta = 0.46764705f * t - 0.15882353f;
    float x = 17.f * std::sin(theta);
    float y = 17.f * std::cos(theta) - 17.f;
    return {zeus::CVector3f(x, y, 0.4f), zeus::CVector3f(x, y, 0.f)};
}

std::pair<zeus::CVector3f, zeus::CVector3f> CHudEnergyInterface::XRayEnergyCoordFunc(float t)
{
    float theta = 1.8207964f - 0.69f * t;
    float x = std::cos(theta);
    float z = std::sin(theta);
    return {zeus::CVector3f(9.4f * x, 0.f, 9.4f * z), zeus::CVector3f(9.f * x, 0.f, 9.f * z)};
}

std::pair<zeus::CVector3f, zeus::CVector3f> CHudEnergyInterface::ThermalEnergyCoordFunc(float t)
{
    float x = 8.1663399f * t;
    return {zeus::CVector3f(x, 0.f, 0.f), zeus::CVector3f(x, 0.f, 0.4355512f)};
}

std::pair<zeus::CVector3f, zeus::CVector3f> CHudEnergyInterface::BallEnergyCoordFunc(float t)
{
    float x = 1.6666f * t;
    return {zeus::CVector3f(x, 0.f, 0.f), zeus::CVector3f(x, 0.f, 0.088887997f)};
}

}