package net.torvald.terrarum.modulebasegame

import com.badlogic.gdx.Gdx
import com.badlogic.gdx.graphics.Color
import com.badlogic.gdx.graphics.Texture
import com.badlogic.gdx.graphics.g2d.SpriteBatch
import com.badlogic.gdx.graphics.g2d.TextureRegion
import net.torvald.terrarum.AppLoader
import net.torvald.terrarum.IngameInstance
import net.torvald.terrarum.ModMgr
import net.torvald.terrarum.Terrarum
import net.torvald.terrarum.blockproperties.Block
import net.torvald.terrarum.gameactors.*
import net.torvald.terrarum.gameworld.GameWorld
import net.torvald.terrarum.modulebasegame.gameactors.ActorHumanoid
import net.torvald.terrarum.modulebasegame.gameworld.GameWorldExtension
import net.torvald.terrarum.modulebasegame.ui.Notification
import net.torvald.terrarum.modulebasegame.ui.UIBuildingMakerToolbox
import net.torvald.terrarum.ui.UICanvas
import net.torvald.terrarum.worlddrawer.LightmapRenderer
import net.torvald.terrarum.worlddrawer.WorldCamera
import net.torvald.terrarumsansbitmap.gdx.TextureRegionPack
import kotlin.system.measureNanoTime

/**
 * Created by minjaesong on 2018-07-06.
 */
class BuildingMaker(batch: SpriteBatch) : IngameInstance(batch) {

    val gameWorld = GameWorldExtension(1024, 256)

    init {
        // ghetto world for building

        println("[BuildingMaker] Generating builder world...")

        for (y in 150 until gameWorld.height) {
            for (x in 0 until gameWorld.width) {
                // wall layer
                gameWorld.setTileWall(x, y, Block.DIRT)

                // terrain layer
                gameWorld.setTileTerrain(x, y, if (y == 150) Block.GRASS else Block.DIRT)
            }
        }


        world = gameWorld
    }


    override var playableActor: ActorHumanoid = MovableWorldCamera(world)

    val uiToolbox = UIBuildingMakerToolbox()
    val notifier = Notification()

    val uiContainer = ArrayList<UICanvas>()

    val blockPointingCursor = object : ActorWithBody(Actor.RenderOrder.FRONT) {

        override var referenceID: ActorID? = Terrarum.generateUniqueReferenceID(renderOrder)
        val body = TextureRegionPack(Gdx.files.internal("assets/graphics/blocks/block_markings_common.tga"), 16, 16)
        override val hitbox = Hitbox(0.0, 0.0, 16.0, 16.0)

        override fun drawBody(batch: SpriteBatch) {
            batch.color = Color.YELLOW
            batch.draw(body.get(0, 0), hitbox.startX.toFloat(), hitbox.startY.toFloat())
        }

        override fun drawGlow(batch: SpriteBatch) { }
        override fun dispose() {
            body.dispose()
        }

        override fun update(delta: Float) {
            hitbox.setPosition(
                    Terrarum.mouseTileX * 16.0,
                    Terrarum.mouseTileY * 16.0
            )
        }

        override fun onActorValueChange(key: String, value: Any?) { }

        override fun run() {
            TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
        }
    }

    protected var updateDeltaCounter = 0.0
    protected val updateRate = 1.0 / Terrarum.TARGET_INTERNAL_FPS

    private val actorsRenderTop = ArrayList<ActorWithBody>()

    init {
        actorsRenderTop.add(blockPointingCursor)

        uiContainer.add(uiToolbox)
        uiContainer.add(notifier)



        uiToolbox.setPosition(Terrarum.WIDTH - 20, 4)
        notifier.setPosition(
                (Terrarum.WIDTH - notifier.width) / 2, Terrarum.HEIGHT - notifier.height)


        playableActor.setPosition(512 * 16.0, 149 * 16.0)



        LightmapRenderer.fireRecalculateEvent()
    }

    override fun render(delta: Float) {
        Gdx.graphics.setTitle("${AppLoader.GAME_NAME} Building Maker" +
                              " — F: ${Gdx.graphics.framesPerSecond} (${Terrarum.TARGET_INTERNAL_FPS})" +
                              " — M: ${Terrarum.memInUse}M / ${Terrarum.memTotal}M / ${Terrarum.memXmx}M"
        )

        // ASYNCHRONOUS UPDATE AND RENDER //


        /** UPDATE CODE GOES HERE */
        updateDeltaCounter += delta



        if (false && Terrarum.getConfigBoolean("multithread")) { // NO MULTITHREADING: camera don't like concurrent modification (jittery actor movements)
            // else, NOP;
        }
        else {
            var updateTries = 0
            while (updateDeltaCounter >= updateRate) {

                //updateGame(delta)
                Terrarum.debugTimers["Ingame.update"] = measureNanoTime { updateGame(delta) }

                updateDeltaCounter -= updateRate
                updateTries++

                if (updateTries >= Terrarum.UPDATE_CATCHUP_MAX_TRIES) {
                    break
                }
            }
        }



        /** RENDER CODE GOES HERE */
        //renderGame(batch)
        Terrarum.debugTimers["Ingame.render"] = measureNanoTime { renderGame() }
    }

    private fun updateGame(delta: Float) {
        blockPointingCursor.update(delta)
        playableActor.update(delta)
        uiContainer.forEach { it.update(delta) }

        WorldCamera.update(world, playableActor)
    }

    private fun renderGame() {
        IngameRenderer(world as GameWorldExtension, actorsRenderFront = actorsRenderTop, uisToDraw = uiContainer)
    }

    override fun resize(width: Int, height: Int) {
        IngameRenderer.resize(Terrarum.WIDTH, Terrarum.HEIGHT)
        uiToolbox.setPosition(Terrarum.WIDTH - 20, 4)
        notifier.setPosition(
                (Terrarum.WIDTH - notifier.width) / 2, Terrarum.HEIGHT - notifier.height)
        println("[BuildingMaker] Resize event")
    }
}


class MovableWorldCamera(world: GameWorld) : ActorHumanoid(world, 0, usePhysics = false) {

    init {
        referenceID = Terrarum.PLAYER_REF_ID
        isNoClip = true

        setHitboxDimension(1, 1, 0, 0)


        actorValue[AVKey.SPEED] = 8.0
        actorValue[AVKey.SPEEDBUFF] = 1.0
        actorValue[AVKey.ACCEL] = ActorHumanoid.WALK_ACCEL_BASE
        actorValue[AVKey.ACCELBUFF] = 1.0
        actorValue[AVKey.JUMPPOWER] = 0.0
    }

    override fun drawBody(batch: SpriteBatch) {
    }

    override fun drawGlow(batch: SpriteBatch) {
    }

    override fun onActorValueChange(key: String, value: Any?) {
    }

}