from random import randint
from graphics.layers import Sprite

from util.sqlite import Connection

class Material:
    POTION = "POTION"
    EPEE = "EPEE"
    BATON = "BATON"
    DAGUE = "DAGUE"
    ARC = "ARC"

#TODO: inventaire mysql
class Inventaire:
    def __init__(self, id, item):
        self._id = id
        

    def append(self, item):
        conn = Connection()
        conn.db.execute("INSERT INTO inventaire (personnage_id, nom) VALUES (?, ?);", (self._id, item))
        conn.db.execute("SELECT last_insert_rowid();")
        self._id = conn.db.fetchone()[0]
        conn.close()

class Personnage:
    def __init__(self, nom, cat, personnage_type):
        expcoef = None
        item = None
        if cat == "Guerrier":
            item = Material.EPEE
            expcoef = 10
        elif cat == "Magicien":
            item = Material.BATON
            expcoef = 10
        elif cat == "Voleur":
            item = Material.DAGUE
            expcoef = 3
        elif cat == "Elfe":
            item = Material.ARC
            expcoef = 8

        conn = Connection()
        conn.db.execute(f"INSERT INTO personnages (nom, pdv, exp, cat, expcoef) VALUES (?,?,?,?,?);", (nom, 20, 1, cat, expcoef))
        conn.commit()
        conn.db.execute("SELECT last_insert_rowid();")
        self._id = conn.db.fetchone()[0]
        conn.close()

        self.inventaire = Inventaire(self._id, item)
        Sprite(3, cat, personnage_type)

    def db_erase(self):
        conn = Connection()
        conn.db.execute("DELETE FROM personnages WHERE id=?;", (self._id,))
        conn.close()

    
    
    def __select_value(self, value):
        conn = Connection()
        conn.db.execute("SELECT "+value+" FROM personnages WHERE id=?;", (self._id,))
        value = conn.db.fetchone()
        conn.close()
        return value[0] if value is not None else None

    def get_nom(self):
        return self.__select_value("nom")
    def get_pdv(self):
        return self.__select_value("pdv")
    def get_exp(self):
        return self.__select_value("exp")
    def get_cat(self):
        return self.__select_value("cat")
    def get_expcoef(self):
        return self.__select_value("expcoef")

    def set_nom(self, v):
        conn = Connection()
        conn.db.execute("UPDATE personnages SET nom=? WHERE id=?;", (v, self._id))
        conn.close()

    def change_pdv(self, v):
        conn = Connection()
        conn.db.execute("UPDATE personnages SET pdv = CASE WHEN pdv - ? <= 0 THEN 0 ELSE pdv - ? END WHERE id=?;", (v, v, self._id))
        conn.close()

    def change_exp(self, v):
        conn = Connection()
        if v > 0:
            conn.db.execute("UPDATE personnages SET exp=exp+? WHERE id=?;", (v, self._id))
        else:
            raise ValueError("v attends un nombre positif")
        conn.close()
        
    def set_cat(self, v):
        conn = Connection()
        conn.db.execute("UPDATE personnages SET cat=? WHERE id=?;", (v, self._id))
        conn.close()

    def set_expcoef(self, v):
        conn = Connection()
        conn.db.execute("UPDATE personnages SET expcoef=? WHERE id=?;", (v, self._id))
        conn.close()

    def jet_attaque(self):
        damage = randint(1, 20)
        self.change_exp(self.get_expcoef())
        return damage

    def jet_defense(self):
        damage = randint(1, 20)
        self.change_exp(self.get_expcoef())
        return damage

    def affiche_caracteristiques(self):
        return (f"Nom: {self.get_nom()}", 
                f"Type de classe: {self.get_cat()}",
                f"Vie: {self.get_pdv()}",
                f"Expérience: {self.get_exp()}",
                f"XPCOEF: {self.get_expcoef()}"
        )

    def affiche_inventaire(self):
        return ["- "+item for item in self.inventaire]