#include "EnchantTableRenderer.h"

#include <cmath>
#include <memory>
#include <numbers>

#include "platform/renderer/renderer.h"

#include "minecraft/client/model/BookModel.h"
#include "minecraft/client/renderer/Textures.h"
#include "minecraft/client/resources/ResourceLocation.h"
#include "minecraft/util/Mth.h"
#include "minecraft/world/level/tile/entity/EnchantmentTableTileEntity.h"
#include "minecraft/world/level/tile/entity/TileEntity.h"

ResourceLocation EnchantTableRenderer::BOOK_LOCATION =
    ResourceLocation(TN_ITEM_BOOK);

EnchantTableRenderer::EnchantTableRenderer() { bookModel = new BookModel(); }

EnchantTableRenderer::~EnchantTableRenderer() { delete bookModel; }

void EnchantTableRenderer::render(std::shared_ptr<TileEntity> _table, double x,
                                  double y, double z, float a, bool setColor,
                                  float alpha, bool useCompiled) {
    // 4J Convert as we aren't using a templated class
    std::shared_ptr<EnchantmentTableEntity> table =
        std::dynamic_pointer_cast<EnchantmentTableEntity>(_table);

    glPushMatrix();
    glTranslatef((float)x + 0.5f, (float)y + 12 / 16.0f, (float)z + 0.5f);

    float tt = table->time + a;

    glTranslatef(0, 0.1f + sin(tt * 0.1f) * 0.01f, 0);
    float orot = (table->rot - table->oRot);
    while (orot >= std::numbers::pi) orot -= std::numbers::pi * 2;
    while (orot < -std::numbers::pi) orot += std::numbers::pi * 2;

    float yRot = table->oRot + orot * a;

    glRotatef(-yRot * 180 / std::numbers::pi, 0, 1, 0);
    glRotatef(80, 0, 0, 1);
    bindTexture(&BOOK_LOCATION);  // 4J was "/item/book.png"

    float ff1 = table->oFlip + (table->flip - table->oFlip) * a + 0.25f;
    float ff2 = table->oFlip + (table->flip - table->oFlip) * a + 0.75f;
    ff1 = (ff1 - Mth::fastFloor(ff1)) * 1.6f - 0.3f;
    ff2 = (ff2 - Mth::fastFloor(ff2)) * 1.6f - 0.3f;

    if (ff1 < 0) ff1 = 0;
    if (ff2 < 0) ff2 = 0;
    if (ff1 > 1) ff1 = 1;
    if (ff2 > 1) ff2 = 1;

    float o = table->oOpen + (table->open - table->oOpen) * a;
    glEnable(GL_CULL_FACE);
    bookModel->render(nullptr, tt, ff1, ff2, o, 0, 1 / 16.0f, true);
    glPopMatrix();
}