package net.shadowfacts.phycon.screen

import com.mojang.blaze3d.systems.RenderSystem
import net.minecraft.client.gui.screen.Screen
import net.minecraft.client.gui.widget.ButtonWidget
import net.minecraft.client.gui.widget.TextFieldWidget
import net.minecraft.client.util.math.MatrixStack
import net.minecraft.text.LiteralText
import net.shadowfacts.phycon.api.util.IPAddress
import net.shadowfacts.phycon.network.block.redstone.RedstoneControllerBlockEntity
import net.shadowfacts.phycon.networking.C2SConfigureRedstoneController
import net.shadowfacts.phycon.util.next
import org.lwjgl.glfw.GLFW

/**
 * @author shadowfacts
 */
class RedstoneControllerConsoleScreen(
	val device: RedstoneControllerBlockEntity
): Screen(device.cachedState.block.name) {

	private val backgroundWidth = 252
	private val backgroundHeight = 222

	private val ipAddressTextFields = mutableListOf<TextFieldWidget>()

	override fun init() {
		super.init()

		buttons.clear()
		ipAddressTextFields.clear()

		val minX = (width - backgroundWidth) / 2
		val minY = (height - backgroundHeight) / 2

		val mode = EnumButton(device::redstoneMode, minX + 5, minY + 25, 75, 20) {
			client!!.player!!.networkHandler.sendPacket(C2SConfigureRedstoneController(device))
		}
		addButton(mode)

		for (i in 0 until 5) {
			// todo: field name
			val field = TextFieldWidget(textRenderer, minX + 5, minY + 50 + 22 * i, backgroundWidth / 2, 20, LiteralText(""))
			field.setMaxLength(15)
			field.setHasBorder(true)
			field.isVisible = true
			field.setEditableColor(0xffffff)
			field.text = device.managedDevices[i]?.toString()
			field.setChangedListener { newVal ->
				device.managedDevices[i] = IPAddress.parse(newVal)
				client!!.player!!.networkHandler.sendPacket(C2SConfigureRedstoneController(device))
			}
			addChild(field)
			ipAddressTextFields.add(field)
		}
	}

	override fun isPauseScreen() = false

	override fun keyPressed(key: Int, j: Int, k: Int): Boolean {
		if (key == GLFW.GLFW_KEY_E) {
			onClose()
			return true
		}
		return super.keyPressed(key, j, k)
	}

	override fun mouseClicked(mouseX: Double, mouseY: Double, button: Int): Boolean {
		val clickedField = ipAddressTextFields.find { it.x <= mouseX && it.x + it.width >= mouseX && it.y <= mouseY && it.y + it.height >= mouseY }
		if (clickedField != null) {
			ipAddressTextFields.forEach {
				if (it !== clickedField) it.setSelected(false)
			}
		}
		return super.mouseClicked(mouseX, mouseY, button)
	}

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

		val minX = (width - backgroundWidth) / 2
		val minY = (height - backgroundHeight) / 2

		RenderSystem.color4f(1f, 1f, 1f, 1f)
		client!!.textureManager.bindTexture(DeviceConsoleScreen.BACKGROUND)
		drawTexture(matrixStack, minX, minY, 0, 0, backgroundWidth, backgroundHeight)

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

		ipAddressTextFields.forEach { it.render(matrixStack, mouseX, mouseY, delta) }

		textRenderer.draw(matrixStack, "IP Address: ${device.ipAddress}", minX + 5f, minY + 5f, 0x404040)
		textRenderer.draw(matrixStack, "MAC Address: ${device.macAddress}", minX + 5f, minY + 15f, 0x404040)
	}

}