package net.shadowfacts.phycon.block.inserter

import com.mojang.blaze3d.systems.RenderSystem
import net.minecraft.client.gui.screen.ingame.HandledScreen
import net.minecraft.client.gui.widget.TextFieldWidget
import net.minecraft.client.render.GameRenderer
import net.minecraft.client.util.math.MatrixStack
import net.minecraft.entity.player.PlayerInventory
import net.minecraft.screen.slot.Slot
import net.minecraft.screen.slot.SlotActionType
import net.minecraft.text.LiteralText
import net.minecraft.text.Text
import net.minecraft.util.Identifier
import net.shadowfacts.phycon.PhysicalConnectivity
import net.shadowfacts.phycon.networking.C2SConfigureDevice
import java.lang.NumberFormatException

/**
 * @author shadowfacts
 */
class InserterScreen(
	handler: InserterScreenHandler,
	playerInv: PlayerInventory,
	title: Text,
): HandledScreen<InserterScreenHandler>(
	handler,
	playerInv,
	title
) {

	companion object {
		val BACKGROUND = Identifier(PhysicalConnectivity.MODID, "textures/gui/inserter.png")
	}

	private lateinit var amountField: TextFieldWidget

	init {
		backgroundWidth = 176
		backgroundHeight = 133
		playerInventoryTitleY = backgroundHeight - 94
	}

	override fun init() {
		super.init()

		amountField = TextFieldWidget(textRenderer, x + 57, y + 24, 80, 9, LiteralText("Amount"))
		amountField.text = handler.inserter.amountToExtract.toString()
		amountField.setDrawsBackground(false)
		amountField.isVisible = true
		amountField.setTextFieldFocused(true)
		amountField.setEditableColor(0xffffff)
		amountField.setTextPredicate {
			if (it.isEmpty()) {
				true
			} else {
				try {
					val value = Integer.parseInt(it)
					value in 1..64
				} catch (e: NumberFormatException) {
					false
				}
			}
		}
		addDrawableChild(amountField)
	}

	fun amountUpdated() {
		if (amountField.text.isNotEmpty()) {
			handler.inserter.amountToExtract = Integer.parseInt(amountField.text)
			client!!.player!!.networkHandler.sendPacket(C2SConfigureDevice(handler.inserter))
		}
	}

	override fun handledScreenTick() {
		super.handledScreenTick()
		amountField.tick()
	}

	override fun drawBackground(matrixStack: MatrixStack, delta: Float, mouseX: Int, mouseY: Int) {
		renderBackground(matrixStack)

		RenderSystem.setShader(GameRenderer::getPositionTexShader)
		RenderSystem.setShaderTexture(0, BACKGROUND)
		val x = (width - backgroundWidth) / 2
		val y = (height - backgroundHeight) / 2
		drawTexture(matrixStack, x, y, 0, 0, backgroundWidth, backgroundHeight)
	}

	override fun render(matrixStack: MatrixStack, mouseX: Int, mouseY: Int, delta: Float) {
		super.render(matrixStack, mouseX, mouseY, delta)

		amountField.render(matrixStack, mouseX, mouseY, delta)

		drawMouseoverTooltip(matrixStack, mouseX, mouseY)
	}

	override fun onMouseClick(slot: Slot?, invSlot: Int, clickData: Int, slotActionType: SlotActionType?) {
		super.onMouseClick(slot, invSlot, clickData, slotActionType)

		amountField.setTextFieldFocused(true)
	}

	override fun charTyped(c: Char, i: Int): Boolean {
		val oldText = amountField.text
		if (amountField.charTyped(c, i)) {
			if (oldText != amountField.text) {
				amountUpdated()
			}
			return true
		}
		return super.charTyped(c, i)
	}

	override fun keyPressed(i: Int, j: Int, k: Int): Boolean {
		val oldText = amountField.text
		if (amountField.keyPressed(i, j, k)) {
			if (oldText != amountField.text) {
				amountUpdated()
			}
			return true
		}
		return super.keyPressed(i, j, k)
	}

}