import random
from direct.showbase.DirectObject import DirectObject
from direct.interval.IntervalGlobal import LerpFunc, ActorInterval, LerpPosInterval
from direct.interval.MetaInterval import Sequence
from direct.directutil import Mopath
from direct.showbase import PythonUtil
from pandac.PandaModules import *
from toontown.toonbase import ToontownGlobals
from toontown.suit import Suit
from toontown.suit import SuitDNA
from toontown.battle import BattleProps
from . import CogdoUtil
from . import CogdoFlyingGameGlobals as Globals
from .CogdoFlyingUtil import swapAvatarShadowPlacer
from direct.particles import ParticleEffect
from direct.particles import Particles
from direct.particles import ForceGroup

class CogdoFlyingObtacleFactory:

    def __init__(self):
        self._index = -1
        self._whirlwindModel = CogdoUtil.loadFlyingModel('whirlwind').find('**/whirlwind')
        self._fanModel = CogdoUtil.loadFlyingModel('streamer').find('**/streamer')

    def destroy(self):
        self._whirlwindModel.removeNode()
        del self._whirlwindModel
        self._fanModel.removeNode()
        del self._fanModel
        if Globals.Level.AddParticlesToStreamers:
            self.f.cleanup()
            del self.f

    def createFan(self):
        self._index += 1
        return CogdoFlyingFan(self._index, self._fanModel)

    def createFlyingMinion(self, motionPath = None):
        self._index += 1
        return CogdoFlyingMinionFlying(self._index, motionPath=motionPath)

    def createWalkingMinion(self, motionPath = None):
        self._index += 1
        return CogdoFlyingMinionWalking(self._index, motionPath=motionPath)

    def createWhirlwind(self, motionPath = None):
        self._index += 1
        return CogdoFlyingWhirlwind(self._index, self._whirlwindModel, motionPath=motionPath)

    def createStreamerParticles(self, color1, color2, amp):
        self.f = ParticleEffect.ParticleEffect('streamer_particles')
        p0 = Particles.Particles('particles-1')
        p0.setFactory('PointParticleFactory')
        p0.setRenderer('SparkleParticleRenderer')
        p0.setEmitter('RingEmitter')
        p0.setPoolSize(80)
        p0.setBirthRate(0.05)
        p0.setLitterSize(100)
        p0.setLitterSpread(0)
        p0.factory.setLifespanBase(3.0)
        p0.factory.setLifespanSpread(0.5)
        p0.factory.setMassBase(1.0)
        p0.factory.setMassSpread(0.0)
        p0.factory.setTerminalVelocityBase(5.0)
        p0.factory.setTerminalVelocitySpread(1.0)
        p0.renderer.setAlphaMode(BaseParticleRenderer.PRALPHAOUT)
        p0.renderer.setUserAlpha(1.0)
        p0.renderer.setCenterColor(color1)
        p0.renderer.setEdgeColor(color2)
        p0.renderer.setBirthRadius(0.3)
        p0.renderer.setDeathRadius(0.3)
        p0.renderer.setLifeScale(SparkleParticleRenderer.SPNOSCALE)
        p0.emitter.setEmissionType(BaseParticleEmitter.ETRADIATE)
        p0.emitter.setAmplitude(0)
        p0.emitter.setAmplitudeSpread(0)
        f0 = ForceGroup.ForceGroup('Gravity')
        force0 = LinearVectorForce(Vec3(0.0, 0.0, 10.0), 1.0, 0)
        force0.setVectorMasks(1, 1, 1)
        force0.setActive(1)
        f0.addForce(force0)
        self.f.addForceGroup(f0)
        p0.emitter.setRadius(5.0)
        self.f.addParticles(p0)
        self.f.setPos(0, 0, 0)
        self.f.setHpr(0, 0, 0)
        return self.f


class CogdoFlyingObstacle(DirectObject):
    EnterEventName = 'CogdoFlyingObstacle_Enter'
    ExitEventName = 'CogdoFlyingObstacle_Exit'
    MotionTypes = PythonUtil.Enum(('BackForth', 'Loop'))

    def __init__(self, type, index, model, collSolid, motionPath = None, motionPattern = None, blendMotion = True, instanceModel = True):
        self.type = type
        self.index = index
        name = 'CogdoFlyingObstacle-%s-%i' % (self.type, self.index)
        if instanceModel:
            self.model = NodePath(name)
            model.instanceTo(self.model)
        else:
            self.model = model
            self.model.setName(name)
        self.currentT = 0.0
        self.direction = 1.0
        self.collNode = None
        self._initCollisions(name, collSolid)
        self.motionPath = motionPath
        self.motionPattern = motionPattern
        self.motionSequence = None
        if blendMotion:
            blendType = 'easeInOut'
        else:
            blendType = 'noBlend'
        if motionPath is not None:

            def moveObstacle(value):
                self.motionPath.goTo(self.model, value)

            self.motionPath = Mopath.Mopath(name='obstacle-%i' % self.index)
            self.motionPath.loadNodePath(motionPath)
            dur = self.motionPath.getMaxT()
            self.motionSequence = Sequence(name='%s.obstacle-%i-motionSequence' % (self.__class__.__name__, self.index))
            movePart1 = LerpFunc(moveObstacle, fromData=0.0, toData=self.motionPath.getMaxT(), duration=dur, blendType=blendType)
            self.motionSequence.append(movePart1)
            if self.motionPattern == CogdoFlyingObstacle.MotionTypes.BackForth:
                movePart2 = LerpFunc(moveObstacle, fromData=self.motionPath.getMaxT(), toData=0.0, duration=dur, blendType=blendType)
                self.motionSequence.append(movePart2)
        return

    def _initCollisions(self, name, collSolid):
        self.collName = name
        self.collSolid = collSolid
        self.collSolid.setTangible(0)
        self.collNode = CollisionNode(self.collName)
        self.collNode.setIntoCollideMask(ToontownGlobals.WallBitmask)
        self.collNode.addSolid(self.collSolid)
        self.collNodePath = self.model.attachNewNode(self.collNode)
        self.collNodePath.hide()
        self.accept('enter' + self.collName, self._handleEnterCollision)
        self.accept('exit' + self.collName, self._handleExitCollision)

    def disable(self):
        if self.collNode is not None:
            self.collNode.setIntoCollideMask(BitMask32(0))
        return

    def enable(self):
        if self.collNode is not None:
            self.collNode.setIntoCollideMask(ToontownGlobals.WallBitmask)
        return

    def startMoving(self, elapsedTime = 0.0):
        if self.motionSequence is not None:
            self.motionSequence.loop()
            self.motionSequence.setT(elapsedTime % self.motionSequence.getDuration())
        return

    def stopMoving(self):
        if self.motionSequence is not None:
            self.motionSequence.pause()
        return

    def destroy(self):
        self.ignoreAll()
        if self.motionSequence is not None:
            self.motionSequence.clearToInitial()
            del self.motionSequence
        del self.collSolid
        self.collNodePath.removeNode()
        del self.collNodePath
        del self.collNode
        self.model.removeNode()
        del self.model
        del self.motionPath
        return

    def update(self, dt):
        pass

    def hide(self):
        self.ignoreAll()
        self.model.hide()
        self.collNode.setIntoCollideMask(BitMask32(0))

    def _handleEnterCollision(self, collEntry):
        messenger.send(CogdoFlyingObstacle.EnterEventName, [self, collEntry])

    def _handleExitCollision(self, collEntry):
        messenger.send(CogdoFlyingObstacle.ExitEventName, [self, collEntry])


from pandac.PandaModules import TransformState

class CogdoFlyingWhirlwind(CogdoFlyingObstacle):

    def __init__(self, index, model, motionPath = None):
        collSolid = CollisionTube(0, 0, 0, 0, 0, Globals.Gameplay.WhirlwindCollisionTubeHeight, Globals.Gameplay.WhirlwindCollisionTubeRadius)
        CogdoFlyingObstacle.__init__(self, Globals.Level.ObstacleTypes.Whirlwind, index, model, collSolid, motionPath=motionPath, motionPattern=CogdoFlyingObstacle.MotionTypes.BackForth)
        self.t = 0.0
        self._initModel()

    def _initModel(self):
        self.model.setDepthWrite(False)
        self._texStage = self.model.findTextureStage('*')
        self._soundIval = base.cogdoGameAudioMgr.createSfxIval('whirlwind', source=self.model)
        self.model.setBin('transparent', self.index)

    def startMoving(self, elapsedTime):
        CogdoFlyingObstacle.startMoving(self, elapsedTime)
        self.t = 0.0
        self._soundIval.loop()

    def update(self, dt):
        self.t += dt
        trans = TransformState.makePos((self.t, -self.t, 0))
        self.model.setTexTransform(self._texStage, trans)
        trans = TransformState.makePos((self.t * 2.0, -self.t * 2.0, 0))

    def stopMoving(self):
        CogdoFlyingObstacle.stopMoving(self)
        self._soundIval.pause()

    def destroy(self):
        self._soundIval.clearToInitial()
        del self._soundIval
        CogdoFlyingObstacle.destroy(self)


class CogdoFlyingMinion(CogdoFlyingObstacle):

    def __init__(self, index, collSolid, motionPath = None):
        self.prop = None
        self.suit = Suit.Suit()
        d = SuitDNA.SuitDNA()
        d.newSuit(Globals.Gameplay.MinionDnaName)
        self.suit.setDNA(d)
        self.suit.setScale(Globals.Gameplay.MinionScale)
        swapAvatarShadowPlacer(self.suit, 'minion-%sShadowPlacer' % index)
        self.mopathNodePath = NodePath('mopathNodePath')
        self.suit.reparentTo(self.mopathNodePath)
        CogdoFlyingObstacle.__init__(self, Globals.Level.ObstacleTypes.Minion, index, self.mopathNodePath, collSolid, motionPath=motionPath, motionPattern=CogdoFlyingObstacle.MotionTypes.Loop, blendMotion=False, instanceModel=False)
        self.lastPos = None
        self.suit.loop('neutral')
        return

    def attachPropeller(self):
        if self.prop is None:
            self.prop = BattleProps.globalPropPool.getProp('propeller')
            head = self.suit.find('**/joint_head')
            self.prop.reparentTo(head)
        return

    def detachPropeller(self):
        if self.prop:
            self.prop.cleanup()
            self.prop.removeNode()
            self.prop = None
        return

    def startMoving(self, elapsedTime):
        CogdoFlyingObstacle.startMoving(self, elapsedTime)

    def stopMoving(self):
        CogdoFlyingObstacle.stopMoving(self)

    def update(self, dt):
        CogdoFlyingObstacle.update(self, dt)
        self.currPos = self.mopathNodePath.getPos()
        if self.lastPos != None:
            vec = self.currPos - self.lastPos
            self.mopathNodePath.lookAt(self.currPos + vec)
        self.mopathNodePath.setP(0)
        self.lastPos = self.mopathNodePath.getPos()
        return

    def destroy(self):
        self.mopathNodePath.removeNode()
        del self.mopathNodePath
        self.suit.cleanup()
        self.suit.removeNode()
        self.suit.delete()
        CogdoFlyingObstacle.destroy(self)


class CogdoFlyingMinionFlying(CogdoFlyingMinion):

    def __init__(self, index, motionPath = None):
        radius = Globals.Gameplay.FlyingMinionCollisionRadius
        offset = Globals.Gameplay.FlyingMinionCollisionHeightOffset
        collSolid = CollisionSphere(0, 0, offset, radius)
        CogdoFlyingMinion.__init__(self, index, collSolid, motionPath)
        self.attachPropeller()
        self.propTrack = Sequence(ActorInterval(self.prop, 'propeller', startFrame=0, endFrame=14))
        dur = Globals.Gameplay.FlyingMinionFloatTime
        offset = Globals.Gameplay.FlyingMinionFloatOffset
        suitPos = self.suit.getPos()
        upperPos = suitPos + Point3(0.0, 0.0, offset / 2.0)
        lowerPos = suitPos + Point3(0.0, 0.0, -offset / 2.0)
        self.floatSequence = Sequence(LerpPosInterval(self.suit, dur / 4.0, startPos=suitPos, pos=upperPos, blendType='easeInOut'), LerpPosInterval(self.suit, dur / 2.0, startPos=upperPos, pos=lowerPos, blendType='easeInOut'), LerpPosInterval(self.suit, dur / 4.0, startPos=lowerPos, pos=suitPos, blendType='easeInOut'), name='%s.floatSequence%i' % (self.__class__.__name__, self.index))

    def startMoving(self, elapsedTime):
        CogdoFlyingMinion.startMoving(self, elapsedTime)
        self.floatSequence.loop(elapsedTime)
        self.propTrack.loop(elapsedTime)
        self.suit.pose('landing', 0)

    def stopMoving(self):
        CogdoFlyingMinion.stopMoving(self)
        self.floatSequence.clearToInitial()
        self.propTrack.pause()

    def destroy(self):
        self.floatSequence.clearToInitial()
        del self.floatSequence
        self.propTrack.clearToInitial()
        del self.propTrack
        CogdoFlyingMinion.destroy(self)


class CogdoFlyingMinionWalking(CogdoFlyingMinion):

    def __init__(self, index, motionPath = None):
        radius = Globals.Gameplay.WalkingMinionCollisionRadius
        offset = Globals.Gameplay.WalkingMinionCollisionHeightOffset
        collSolid = CollisionSphere(0, 0, offset, radius)
        CogdoFlyingMinion.__init__(self, index, collSolid, motionPath)

    def startMoving(self, elapsedTime):
        CogdoFlyingMinion.startMoving(self, elapsedTime)
        self.suit.loop('walk')

    def stopMoving(self):
        CogdoFlyingMinion.stopMoving(self)
        self.suit.loop('neutral')


class CogdoFlyingFan(CogdoFlyingObstacle):

    def __init__(self, index, model, motionPath = None):
        collSolid = CollisionTube(0, 0, 0, 0, 0, Globals.Gameplay.FanCollisionTubeHeight, Globals.Gameplay.FanCollisionTubeRadius)
        CogdoFlyingObstacle.__init__(self, Globals.Level.ObstacleTypes.Fan, index, model, collSolid)
        self.streamers = self.model.findAllMatches('**/streamer*')
        self._initIntervals()

    def _initIntervals(self):
        self.streamerIvals = []
        minDur = Globals.Gameplay.FanStreamerMinDuration
        maxDur = Globals.Gameplay.FanStreamerMaxDuration
        for streamer in self.streamers:
            dur = random.uniform(minDur, maxDur)
            streamerLerp = LerpFunc(streamer.setH, fromData=0.0, toData=360.0, duration=dur, name='%s.streamerLerp%i-%s' % (self.__class__.__name__, self.index, streamer.getName()))
            self.streamerIvals.append(streamerLerp)

    def startMoving(self, elapsedTime = 0.0):
        CogdoFlyingObstacle.startMoving(self, elapsedTime)
        timeDelay = 0.0
        maxDur = Globals.Gameplay.FanStreamerMaxDuration
        for ival in self.streamerIvals:
            taskName = 'delayedStreamerSpinTask-fan-%i-%s' % (self.index, ival.getName())
            taskMgr.doMethodLater(timeDelay, ival.loop, taskName, extraArgs=[])
            timeDelay += maxDur / (len(self.streamers) - 1)

    def stopMoving(self):
        CogdoFlyingObstacle.stopMoving(self)
        taskMgr.removeTasksMatching('delayedStreamerSpinTask-fan-%i*' % self.index)
        for streamerLerp in self.streamerIvals:
            streamerLerp.pause()

    def setBlowDirection(self):
        tempNodePath = NodePath('temp')
        tempNodePath.reparentTo(self.model)
        tempNodePath.setPos(0, 0, 1)
        self.blowVec = tempNodePath.getPos(render) - self.model.getPos(render)
        self.blowVec.normalize()
        tempNodePath.removeNode()
        del tempNodePath

    def getBlowDirection(self):
        return Vec3(self.blowVec)

    def destroy(self):
        taskMgr.removeTasksMatching('delayedStreamerSpinTask-fan-%i*' % self.index)
        for streamerLerp in self.streamerIvals:
            streamerLerp.clearToInitial()

        del self.streamerIvals[:]
        CogdoFlyingObstacle.destroy(self)
        del self.blowVec