#from __future__ import unicode_literals
# -*- coding: utf-8 -*-
"""les modes d'interaction permettent l'interaction
entre l'interface (l'utilisateur) et le plateau de combat.
Un seul mode ne peut etre actif a la fois
Cette classe doit permettre de recevoir les commandes de l'utilisateur
de maniere a produire un resultat unique (cases peintes, pion deplace...)"""

from PyQt4.QtCore import Qt
from PyQt4.QtGui import QPixmap, QCursor

import Actions
from Cache import Cache
from EntreeSortie import EntreeSortie
from dialogues import dmSaisie
import dmK
from lib.dialogues import dmAltitude, dmVol
import regles


class ModeBase(object):
    """mode de base: tous les modes heritent de cette classe"""
    def __init__(self, plateau):
        self.plateau = plateau
        #le mode est il active
        self._actif = False
        #le dragmode est il active sur la QGraphicsView
        self._activerDragMode = 0
        #curseur de la QGraphicsView
        self._sourceCurseur = ""
        #met le focus sur la QGraphicsView a l'activation
        self._focus = False 

    def nom(self):
        return self.__class__.__name__

    def arborescence(self):
        """retourne l'arborescence actuelle des modes (sous forme de texte)"""
        txt = self.plateau.nom()
        if len(txt) > 30: txt = txt[0:30] + "..."
        return "Plateau: {}".format(txt)

    def activer(self, param = None):
        """active le mode"""
        self.activerCurseur()
        if self._focus:
            self.plateau.fenetre.ui.cbt_vue.setFocus()
        self._actif = True    

    def desactiver(self):
        """desactive le mode"""
        self.desactiverCurseur()
        self.plateau.fenetre.ui.cbt_vue.setDragMode(1)
        self._actif = False

    def reinit(self):
        """remet les variables a 0 et reactive le mode"""
        pass

    def activerCurseur(self):
        self.plateau.fenetre.ui.cbt_vue.setDragMode(self._activerDragMode)
        curseurPix = QPixmap(self._sourceCurseur)
        if not curseurPix.isNull():
            curseur = QCursor(curseurPix, 0, curseurPix.height())
            self.plateau.fenetre.ui.cbt_vue.setCursor(curseur)   

    def desactiverCurseur(self):
        self.plateau.fenetre.ui.cbt_vue.setCursor(QCursor(Qt.ArrowCursor))

    ### gestion des evenements souris
    # clic gauche
    def clic_combattant(self, num):
        return False

    def clic_decor(self, num):
        return False

    def clic_case(self, coord):
        return False

    def clic_es(self, es):
        #clic sur une entree/sortie
        return False
        
    #double clic gauche
    def doubleClic_combattant(self, num):
        return False

    def doubleClic_decor(self, num):
        return False

    def doubleClic_case(self, coord):
        return False

    #survol de la souris (entree)   
    def survol_combattant(self, num):
        return False

    def survol_decor(self, num):
        return False

    def survol_case(self, coord):
        return False

    #survol de la souris (sortie)  
    def finSurvol_combattant(self, num):
        return False

    def finSurvol_decor(self, num):
        return False

    def finSurvol_case(self, coord):
        return False

    #survol de la souris avec clic gauche enfonce (entree)   
    def survolClic_combattant(self, event):
        return False

    def survolClic_decor(self, event):
        return False

    def survolClic_case(self, coord):
        return False

    #autre
    def clicGauche(self, event):
        return False

    def finClicGauche(self, event):
        return False
    
    def mouvementSouris(self, event):
        return False
    
    def toucheClavier(self, event):
        return False

    def clicDroit(self, event):
        return False


class ModeBaseCp(ModeBase):
    """mode servant de base a tous les modes lies a la creation de plateau"""
    def __init__(self, plateau):
        super(ModeBaseCp, self).__init__(plateau)
        self.type = "cp"

    def arborescence(self):
        txt = super(ModeBaseCp, self).arborescence()
        return txt + " > Mode Création"

    def activer(self, param = None):
        self.plateau.fenetre.ui.cbt_modeCreation.setChecked(True)
        super(ModeBaseCp, self).activer(param)
        
    def desactiver(self):
        self.plateau.fenetre.ui.cbt_modeCreation.setChecked(False)
        super(ModeBaseCp, self).desactiver()
        
    def clicDroit(self, event):
        self.plateau.activerMode(StandardCp)
        return True

class ModeBasePi(ModeBase):
    """mode servant de base a tous les modes lies aux actions des combattants"""
    def __init__(self, plateau):
        super(ModeBasePi, self).__init__(plateau)
        self.type = "pi"
 
    def arborescence(self):
        txt = super(ModeBasePi, self).arborescence()
        return txt + " > Combat"

    def activer(self, param = None):
        self.plateau.fenetre.ui.cbt_modeCombat.setChecked(True)
        super(ModeBasePi, self).activer(param)
        
    def desactiver(self):
        self.plateau.fenetre.ui.cbt_modeCombat.setChecked(False)
        super(ModeBasePi, self).desactiver()

    def clicDroit(self, event):
        self.plateau.activerMode(StandardPi)
        return True

### --------------------------------------- ####


class StandardCp(ModeBaseCp):
    """mode standard en creation de plateau"""
    def __init__(self, plateau):
        super(StandardCp, self).__init__(plateau)
        self._sourceCurseur = ""
        self._focus = False
        self._activerDragMode = True

    def activer(self, param):
        """active le mode"""
        self.plateau.fenetre.ui.cbt_panneauDroite.setCurrentIndex(1)
        self.plateau.majCaches()
        super(StandardCp, self).activer()

    def clic_combattant(self, num):
        self.plateau.activerMode(DeplacementPion, num)
        return True
        
    def clic_decor(self, num):
        self.plateau.activerMode(DeplacementPion, num)
        return True

    def clic_es(self, es):
        self.plateau.activerMode(EditionEntreeSortie, es)
        return True
  
class MajCases(ModeBaseCp):
    """mode de mise a jour des cases (terrain, couleur, effet special)"""
    def __init__(self, plateau):
        super(MajCases, self).__init__(plateau)
        self._sourceCurseur = ":/interface/16/ressource/pinceau_16.png"
        self._focus = True
        self._param = None   #parametre avec lequel on mettra a jour la case
        self._caseSurvolee = None

    def arborescence(self):
        txt = super(MajCases, self).arborescence()
        return txt + " > Mise à jour des cases"

    def activer(self, param):
        """active le mode"""
        self.majParam(param)
        super(MajCases, self).activer()

    def desactiver(self):
        """desactive le mode"""
        if self.plateau.pinceau: self.plateau.pinceau.reinit()
        super(MajCases, self).desactiver()

    def majParam(self, param):
        self._param = param
        
    def param(self):
        return self._param

    def clic_case(self, coord):
        #demarre une operation de peinture des cases
        self.plateau.pinceau.demarrer(coord)
        return True

    def survolClic_case(self, coord):
        accepte = False
        if coord != self._caseSurvolee:
            self.plateau.pinceau.maj(coord)
            accepte = True
        return accepte

    def finClicGauche(self, event):
        accepte = False
        altitude = 0
        if self.plateau.fenetre.ui.cp_gererAlt.isChecked() or dmK.touchesEnfoncees() == ["maj"]: 
            altitude = self.saisieAltitude()
        if self.plateau.pinceau.estActif():
            for coord in self.plateau.pinceau.selection():
                self.plateau.cases[coord].majTerrain(self._param)
                self.plateau.cases[coord].majAltitude(altitude)
                self.plateau.pinceau.reinit()
            self.reinit()
            accepte = True
        return accepte
    
    def toucheClavier(self, event):
        accepte = False
        if event.key() == Qt.Key_Up:
            self.plateau.fenetre.ui.epaisseurPinceau.setValue(self.plateau.fenetre.ui.epaisseurPinceau.value()+1)
            accepte = True
        elif event.key() == Qt.Key_Down:
            self.plateau.fenetre.ui.epaisseurPinceau.setValue(self.plateau.fenetre.ui.epaisseurPinceau.value()-1)
            accepte = True
        return accepte

    def saisieAltitude(self):
        """affiche la fenetre de dialogue de saisie de l'altitude et renvoie la valeur saisie"""
        return dmAltitude(self.plateau.zP)
    
class MajCasesEffet(MajCases):
    """mode de mise a jour des cases (effets speciaux)"""
    def __init__(self, plateau):
        super(MajCasesEffet, self).__init__(plateau)
        self._sourceCurseur = ":/interface/16/ressource/pinceau_16.png"

    def finClicGauche(self, event):
        accepte = False
        if self.plateau.pinceau.estActif():
            for coord in self.plateau.pinceau.selection():
                self.plateau.cases[coord].majEffet(self._param)
                self.plateau.pinceau.reinit()
            self.reinit()
            accepte = True
        return accepte

class Pipette(ModeBaseCp):
    """mode pipette: on preleve la couleur ou le terrain d'une case"""
    def __init__(self, plateau):
        super(Pipette, self).__init__(plateau)
        self._sourceCurseur = ":/interface/16/ressource/seringue_16.png"

    def arborescence(self):
        txt = super(Pipette, self).arborescence()
        return txt + " > Pipette"

    def activerCurseur(self):
        super(Pipette, self).activerCurseur()
        
    def clic_case(self, coord):
        self.plateau.activerMode(MajCases, self.plateau.cases[coord].terrain)
        return True

class ZonePlacement(ModeBaseCp):
    """mode de definition de la/les zones de placement des joueurs"""
    def __init__(self, plateau):
        super(ZonePlacement, self).__init__(plateau)
        self._sourceCurseur = ":/interface/16/ressource/pinceau_16.png"
        self._focus = True

    def arborescence(self):
        txt = super(ZonePlacement, self).arborescence()
        return txt + " > Création de la zone de placement"

    def activer(self, param = None):
        self.plateau.pinceau.majForme("rectP")
        self.plateau.pinceau.verrouillerForme(True)
        super(ZonePlacement, self).activer()

    def desactiver(self):
        self.plateau.pinceau.reinit()
        super(ZonePlacement, self).desactiver()

    def clic_case(self, coord):
        #demarre une operation de peinture des cases
        self.plateau.pinceau.demarrer(coord)
        return True
        
    def survolClic_case(self, coord):
        self.plateau.pinceau.maj(coord)
        return True
    
    def finClicGauche(self, coord):
        if self.plateau.pinceau.estActif():
            lst = []
            #on enleve d'eventuelles cases cachees
            for coord in self.plateau.pinceau.selection():
                if not self.plateau.cases[coord].estCachee():
                    lst.append(coord)
            if len(lst) > 0:
                self.plateau.majZonePlacement(lst)
                self.plateau.activerMode(StandardCp)
        return True        

class PlacerCaches(ModeBaseCp):
    """mode de creation/ edition des caches"""
    def __init__(self, plateau):
        super(PlacerCaches, self).__init__(plateau)
        self._sourceCurseur = ":/interface/16/ressource/pinceau_16.png"
        self._focus = True
        self._numCache = None

    def arborescence(self):
        txt = super(PlacerCaches, self).arborescence()
        return txt + " > Création de caches"

    def activer(self, param = None):
        self._numCache = param
        self.plateau.pinceau.majForme("rectP")
        super(PlacerCaches, self).activer()

    def desactiver(self):
        self.plateau.pinceau.reinit()
        super(PlacerCaches, self).desactiver()        

    def creerCache(self, listeCases, nom):
        """cree le cache avec le nom et la liste des cases en parametre"""
        #determination d'un nouvel id pour le cache
        idCache = 0
        if len(self.plateau.caches) > 0:
            idCache = max(self.plateau.caches) + 1
        #nom par defaut si besoin
        if not len(nom) > 0:
            nom = "Cache {}".format(idCache + 1)
        #creation du cache    
        cache = Cache(idCache)
        cache.creer(self.plateau, listeCases, nom)

    def clic_case(self, coord):
        #on peint la liste des cases qui sera cachee
        self.plateau.pinceau.demarrer(coord)
        return True
        
    def survolClic_case(self, coord):
        self.plateau.pinceau.maj(coord)
        return True
    
    def finClicGauche(self, coord):
        #si la liste de cases peintes est valide, on demande le nom du cache et on le cree
        accepte = False
        if self.plateau.pinceau.estActif():
            lst = []
            #on enleve d'eventuelles cases sur la zone de placement
            for coord in self.plateau.pinceau.selection():
                if not coord in self.plateau.listeCasesZonePlacement:
                    lst.append(coord)
            if len(lst) > 0:               
                nom = dmSaisie("Entrez le nom du cache à créer:")
                self.creerCache(lst, nom)
                self.plateau.activerMode(StandardCp)
            accepte = True
        return accepte
    
class EntreeSortieBase(ModeBaseCp):
    """mode de base de la gestion des entrees et sorties du plateau"""
    def __init__(self, plateau):
        super(EntreeSortieBase, self).__init__(plateau)
        self._sourceCurseur = ":/interface/16/ressource/pinceau_16.png"
        self._focus = True

    def arborescence(self):
        txt = super(EntreeSortieBase, self).arborescence()
        return txt + " > Création des entrées/sorties"

    def activerCurseur(self):
        super(EntreeSortieBase, self).activerCurseur()

    def activer(self, param):
        self.es = param
        self.es.saisir()
        super(EntreeSortieBase, self).activer()

    def desactiver(self):
        if not self.es.estPositionne:
            self.es.prepareGeometryChange()
            self.es.plateau = None
            self.plateau.removeItem(self.es)
            if self.es in self.plateau.entreesSorties:
                self.plateau.entreesSorties.remove(self.es) 
        super(EntreeSortieBase, self).desactiver()
        
    def mouvementSouris(self, event):
        accepte = False
        if event.buttons() != Qt.LeftButton:
            if not self.es.estPositionne:
                self.es.majProjection(event.scenePos())
                accepte = True
        return accepte
    
    def toucheClavier(self, event):
        accepte = False
        if event.key() == Qt.Key_Delete:
            self.es.supprimer()
            if self.es in self.plateau.entreesSorties:
                self.plateau.entreesSorties.remove(self.es)            
            self.plateau.activerMode(StandardCp)
            accepte = True
        elif event.key() == Qt.Key_Right:
            self.es.nbRotations += 1
            self.es.majProjection()  
            accepte = True 
        elif event.key() == Qt.Key_Left:
            self.es.nbRotations -= 1
            self.es.majProjection()  
            accepte = True  
        return accepte
    
class CreationEntreeSortie(EntreeSortieBase):
    """mode de creation des entrees / sorties"""
    def __init__(self, plateau):
        super(CreationEntreeSortie, self).__init__(plateau)    

    def activer(self, typeES):
        self.plateau.fenetre.ui.cbt_vue.fitInView(self.plateau.sceneRect(), Qt.KeepAspectRatio)
        param = EntreeSortie(self.plateau, typeES)
        param.creerForme()
        super(CreationEntreeSortie, self).activer(param)

    def clicGauche(self, event):
        self.es.positionner()
        self.plateau.entreesSorties.append(self.es)
        self.plateau.activerMode(StandardCp)
        return True

class EditionEntreeSortie(EntreeSortieBase):
    """mode d'edition des entrees / sorties"""
    def __init__(self, plateau):
        super(EditionEntreeSortie, self).__init__(plateau)

    def arborescence(self):
        txt = super(EntreeSortieBase, self).arborescence()
        return txt + " > Edition des entrées/sorties"

    def clicGauche(self, event):
        accepte = False
        if not event.isAccepted():
            self.es.positionner()
            self.plateau.activerMode(StandardCp)
            accepte = True
        return accepte

class CreationPion(ModeBaseCp):
    """mode de creation de pions (combattant ou decor)"""
    def __init__(self, plateau):
        super(CreationPion, self).__init__(plateau)
        self._focus = True
        self._pion = None

    def arborescence(self):
        txt = super(CreationPion, self).arborescence()
        return txt + " > Création de pion"

    def activer(self, pion):
        self._pion = pion
        self.plateau.proj.creer(self._pion)
        super(CreationPion, self).activer()
        
    def desactiver(self):
        self.plateau.proj.desactiver()
        self._pion = None
        super(CreationPion, self).desactiver()

    def survol_case(self, coord):
        if self._pion:
            self.plateau.proj.majCoord(coord)
            return True
        return False

    def clic_case(self, coord):
        if self._pion:
            if self.plateau.proj.valide():
#                 if isinstance(self._pion, Combattant) and dmK.touchesEnfoncees() == ["maj"]:
#                     nouveauZ = self.plateau.dialogueVol(self._pion.zR)
#                     self._pion.majZ(nouveauZ)
                self.plateau.pions.nouveau(self._pion)
                return True
        return False
    
    def toucheClavier(self, event):
        if self._pion:
            if event.key() == Qt.Key_Right:
                self.plateau.proj.majRotation(1)
                return True
            elif event.key() == Qt.Key_Left:
                self.plateau.proj.majRotation(-1)
                return True
        return False


class SuppressionPion(ModeBaseCp):
    """mode de suppression de pions (combattant ou decor)"""
    def __init__(self, plateau):
        super(SuppressionPion, self).__init__(plateau)
        self._sourceCurseur = ":/interface/16/ressource/gomme_16.png"
        self._enSurbrillance = []
        self._focus = True

    def arborescence(self):
        txt = super(SuppressionPion, self).arborescence()
        return txt + " > Suppression de pion"

    def activer(self, param = None):
        #cible est le nom de la classe des objets a supprimer
        super(SuppressionPion, self).activer()

    def desactiver(self):
        for num in self.plateau.pions:
            self.plateau.pions[num].surbrillance(False)
        super(SuppressionPion, self).desactiver()

    def clicGauche(self, event):
        """supprime le pion sous le clic. S'il y en a plusieurs,
            supprime le premier de la pile"""
        num = self.plateau.pionAuPoint(event.scenePos())
        if num:
            self.plateau.pions.supprimer(num)
            return True
        return False
    
    def survol_combattant(self, num):
        self.plateau.pions[num].surbrillance(True, 0.4)
        return True
    
    def finSurvol_combattant(self, num):
        self.plateau.pions[num].surbrillance(False)  
        return True
    
    def survol_decor(self, num):
        self.plateau.pions[num].surbrillance(True, 0.4)
        return True
    
    def finSurvol_decor(self, num):
        self.plateau.pions[num].surbrillance(False)  
        return True
    
class DeplacementPion(ModeBaseCp):
    """mode de deplacement de pions (combattant ou decor) en mode creation
        attention: different des actions de type deplacement qu'effectuent les pions en mode Combat"""
    def __init__(self, plateau):
        super(DeplacementPion, self).__init__(plateau)
        self._num = 0

    def arborescence(self):
        txt = super(DeplacementPion, self).arborescence()
        return txt + " > Deplacement de pion"

    def activer(self, num):
        self._num = num
        pion = self.plateau.pions[self._num]
        self.plateau.proj.creer(pion)
        self.deplace = False
        super(DeplacementPion, self).activer()

    def desactiver(self):
        self.plateau.proj.desactiver()
        self._num = 0
        super(DeplacementPion, self).desactiver()

    def survol_case(self, coord):
        if self._num != 0:
            self.plateau.proj.majCoord(coord)
            self.deplace = True
            return True
        return False
    
    def clic_case(self, coord):
        if self._num !=0 and self.plateau.proj.valide():
            if self.deplace:
                pion = self.plateau.pions[self._num]
                if self._num > 0 and dmK.touchesEnfoncees() == ["maj"]:
                    maxi = ((self.plateau.zP - pion.h) if self.plateau.zP else None)
                    nouveauZ = dmVol(pion.zR, maxi)
                    pion.majZ(nouveauZ)
                pion.majPosition(self.plateau.proj.coord(), self.plateau.proj.nbRotations())
                if self._num > 0: self.plateau.gC.reinitialiser() #-> au cas ou le pion serait deplace vers ou depuis un cache
                return True
        return False
    
    def toucheClavier(self, event):
        accepte = False
        if self._num > 0:
            if event.key() == Qt.Key_Right:
                self.plateau.proj.majRotation(1)
                self.deplace = True
                accepte = True
            elif event.key() == Qt.Key_Left:
                self.plateau.proj.majRotation(-1)
                self.deplace = True
                accepte = True
        return accepte
            
#-----------------------------------------------
#-----------------------------------------------

class StandardPi(ModeBasePi):
    """mode standard de la manipulation de pion en combat"""
    def __init__(self, plateau):
        super(StandardPi, self).__init__(plateau)
        self._focus = False
        self._activerDragMode = True

    def activer(self, num):
        self.plateau.fenetre.ui.cbt_panneauDroite.setCurrentIndex(3)
        self.plateau.fenetre.ui.cbt_panneauBas.setCurrentIndex(1)
        self.plateau.majCaches()
        super(StandardPi, self).activer()

    def clic_combattant(self, num):
        self.plateau.activerMode(PionSelectionne, num)
        return True

    def clic_decor(self, num):
        self.plateau.activerMode(PionSelectionne, num)
        return True

    def nouvelleAction(self, action):
        pass
        
    
class PionSelectionne(ModeBasePi):
    """mode active a la selection d'un pion combattant"""
    def __init__(self, plateau):
        super(PionSelectionne, self).__init__(plateau)
        self._focus = True
        self._num = None
        self._action = None

    def arborescence(self):
        txt = super(PionSelectionne, self).arborescence()
        txt2 = self.pion().nom() if self.pion() else ""
        if len(txt2) > 15: txt2 = txt2[0:15] + "..."
        txt3 = " > {}".format(self._action.nom()) if self._action else ""
        return txt + " > {}".format(txt2) + txt3

    def pion(self):
        """retourne la ref du pion actuellement selectionne"""
        return (self.plateau.pions[self._num]) if (self._num in self.plateau.pions) else None

    def activer(self, num):
        self._num = num
        self.plateau.fenetre.ui.cbt_panneauDroite.setCurrentIndex(2)
        self.plateau.fenetre.ui.cbt_panneauBas.setCurrentIndex(0)
        self.plateau.fenetre.ui.act_img.chargerImage(self.plateau.pionSelectionne().img.rimage)
        self.pion().afficheOmbreSelection(True)
        self.plateau.majPanneauPi()
        super(PionSelectionne, self).activer()

    def desactiver(self):
        if self._action:
            self._action.desactiver()
            self._action = None
        if self.pion():
            self.pion().afficheOmbreSelection(False)
        self._num = None
        self.plateau.fenetre.ui.act_img.clear()
        self.plateau.majPanneauPi()
        super(PionSelectionne, self).desactiver()

    def nouvelleAction(self, action):
        if self._action:
            self._action.desactiver()
            self._action = None 
        self._action = action()
        self._action.activer(self.plateau, self._num)
        self.plateau.majArborescenceModes()
    
    def action(self):
        return self._action
        
    def survol_case(self, coord):
        if self._action:
            self._action.majCoordCible(coord)
            return True
        return False
    
    def clic_case(self, coord):
        accepte = False
        if self._action:
            self._action.valider()
            if not self._action.enCours(): self._action = None
            accepte = True
        return accepte
               
    def clicDroit(self, event):
        accepte = False
        if self._action != None:
            self._action.desactiver()
            self._action = None
            accepte = True
            self.plateau.majArborescenceModes()
        else:
            accepte = super(PionSelectionne, self).clicDroit(event)
        return accepte

    def toucheClavier(self, event):
        if self._num > 0:
            if event.key() == Qt.Key_Right:
                self._action.pivoter(1)
                return True
            elif event.key() == Qt.Key_Left:
                self._action.pivoter(-1)
                return True
            elif event.key() == Qt.Key_Up: 
                self._action.modifierRayon(1)
                return True                
            elif event.key() == Qt.Key_Down:
                self._action.modifierRayon(-1)
                return True 
        return False