extends Control

signal character_selected( slot )
signal return_button_pressed

var preview_slot = 0

var character_preview = null
var character_mesh = null
var character_face_camera = null
var character_box = null
var name_input = null

var turn_direction = null
var zoom_direction = null


func update_character_slots():

    var config_file = ConfigFile.new()
    var err = config_file.load( "user://player.cfg" )
    if err:
        print("Error code when loading player config file: ", err)
    
    var useds_slot = []
    var last_slot = 0
    for section in config_file.get_sections():
        useds_slot.append( int(section) )
        if not self.character_box.has_node( "character_slots/slot_box_"+section ):
            last_slot = int(section)
            
            var character_name = config_file.get_value( section, "name" )
            if not character_name:
                character_name = "NameNotFound"
                
            var slot_box = HBoxContainer.new()
            slot_box.name = "slot_box_"+section
            slot_box.size_flags_horizontal = SIZE_FILL
            slot_box.size_flags_vertical = SIZE_EXPAND
            slot_box.set( "custom_constants/separation", 8)
            self.character_box.get_node( "character_slots" ).add_child( slot_box )
            slot_box.connect( "mouse_entered", self, "_on_name_mouse_entered_pressed", [int(section)] )
            
            var label_name = Label.new()
            label_name.text = character_name#+ " ("+section+")"
            label_name.size_flags_horizontal = SIZE_EXPAND
            slot_box.add_child( label_name )
        #        label_name.connect( "mouse_entered", self, "_on_name_mouse_entered_pressed", [int(section)] )
            
            var choose_button = Button.new()
            choose_button.text = "Choisir"
            slot_box.add_child( choose_button )
            choose_button.connect( "pressed", self, "_on_choose_pressed", [int(section)] )
            choose_button.connect( "mouse_entered", self, "_on_name_mouse_entered_pressed", [int(section)] )
            
            var delete_button = Button.new()
            delete_button.text = "Supprimer"
            slot_box.add_child( delete_button )
            delete_button.connect( "pressed", self, "_on_delete_pressed", [int(section), slot_box] )
            delete_button.connect( "mouse_entered", self, "_on_name_mouse_entered_pressed", [int(section)] )
 

    if self.character_box.has_node( "character_slots/creation_button" ):
        self.character_box.get_node( "character_slots/creation_button" ).free()
    
    var index = 0   
    while index in useds_slot:
        index += 1
    var next_slot = index
    var create_new_characer_button = Button.new()
    create_new_characer_button.name = "creation_button"
    create_new_characer_button.text = "Créer"
    create_new_characer_button.hint_tooltip = "Create a new character"
    self.character_box.get_node( "character_slots" ).add_child( create_new_characer_button )
    create_new_characer_button.connect( "pressed", self, "_on_create_pressed", [next_slot] )

func _ready():
    
#    $viewport/character/face_camera.make_current()
    
    
    self.character_preview = $viewport/character
    
#    self.character_preview.get_node( "Camera_rotation_helper/face_camera" ).make_current()
    self.character_preview.get_node( "face_camera" ).make_current()
    
    self.character_mesh = $viewport/character.get_node("MeshInstance")
#    self.character_face_camera = $viewport/character/Camera_rotation_helper/face_camera
    self.character_box = $margin_container/character_box
    self.name_input = self.character_box.get_node( "character_creation_box/margin_container/v_box_container/name_box/line_edit" )
    self.character_preview.update()

    update_character_slots()

func _on_create_pressed( slot ):
    self.character_preview.slot = slot
    self.character_box.get_node( "character_slots" ).hide()
    self.character_box.get_node( "character_creation_box" ).show()
    self.character_preview.update()
    
func _on_choose_pressed( slot ):
    emit_signal( "character_selected", slot )
    
    
func _on_delete_pressed( slot, node_to_delete ): 
    var config_file = ConfigFile.new()
    var err = config_file.load( "user://player.cfg" )
    if err:
        print("Error code when loading player config file: ", err)
    config_file.erase_section( str(slot) )
    config_file.save( "user://player.cfg" )
    
    var parent = node_to_delete.get_parent()
    parent.remove_child( node_to_delete )
    
    update_character_slots()
    
    
func _on_name_mouse_entered_pressed( slot ):
    $viewport/character.show()
    preview_slot = slot
    update_preview()
    
func update_preview():
    var slot = preview_slot
    
    var config_file = ConfigFile.new()
    var err = config_file.load( "user://player.cfg" )
    if err:
        print("Error code when loading player config file: ", err)
    if config_file.has_section( str(slot) ):
        
        self.character_preview.slot = slot
        
        # name
        var pseudo = config_file.get_value( str(slot), "name", "Player" )
        self.character_preview.pseudo = pseudo
        
        # gender
        var gender = config_file.get_value( str(slot), "gender", 1 )
        self.character_preview.gender = gender
        
        # Color
        var color = config_file.get_value( str(slot), "color", Color( 1, 0.25, 0.25, 1 ) )
        self.character_preview.color = color

        # Size
        var size = config_file.get_value( str(slot), "size", 1.0 )
        self.character_preview.size = size
        
        self.character_preview.update()


func _on_character_slots_return_button_pressed():
    emit_signal( "return_button_pressed" )
    
func _on_character_creation_box_return_button_pressed():
    self.character_box.get_node( "character_slots" ).show()
    self.character_box.get_node( "character_creation_box" ).hide()

func _on_character_creation_box_creation_button_pressed():
    if not self.name_input.text or self.name_input.text == "":
        self.character_box.get_node( "character_creation_box" ).show_error( "You need to choose a character's name." )
        return
    self.character_preview.pseudo = self.name_input.text

    var config_file = ConfigFile.new()
    var err = config_file.load( "user://player.cfg" )
    if err:
        print("Error code when loading player config file: ", err)
    config_file.set_value( str(self.character_preview.slot), "name", self.character_preview.pseudo)
    config_file.set_value( str(self.character_preview.slot), "gender", self.character_preview.gender)
    config_file.set_value( str(self.character_preview.slot), "color", self.character_preview.color)
    config_file.set_value( str(self.character_preview.slot), "size", self.character_preview.size)
    config_file.save( "user://player.cfg" )
    
    self.character_box.get_node( "character_slots" ).show()
    self.character_box.get_node( "character_creation_box" ).hide()
    update_character_slots()

func _on_character_creation_box_sex_bar_changed( value ):
    if value == 0:
        self.character_preview.gender = 0
        self.character_preview.color = Color( 0.0, 0.0, 1.0, 1.0 )
    else:
        self.character_preview.gender = 1
        self.character_preview.color = Color( 1.0, 0.25, 0.25, 1.0 )
    self.character_preview.update()

func _on_character_creation_box_size_bar_changed( value ):
    self.character_preview.size = value
    self.character_preview.update()

func _process( delta ):
    
    
    if turn_direction == "left":
        self.character_mesh.rotation.y -= delta
    elif turn_direction == "right":
        self.character_mesh.rotation.y += delta

    if zoom_direction == "front":
        $viewport/character/face_camera.size += delta
    elif zoom_direction == "back":
        $viewport/character/face_camera.size -= delta
        
func _on_turn_left_button_down():
    turn_direction = "left"
func _on_turn_left_button_up():
    turn_direction = null

func _on_turn_right_button_down():
    turn_direction = "right"
func _on_turn_right_button_up():
    turn_direction = null

func _on_zoom_out_button_down():
    zoom_direction = "front"
func _on_zoom_out_button_up():
    zoom_direction = null

func _on_zoom_in_button_down():
    zoom_direction = "back"
func _on_zoom_in_button_up():
    zoom_direction = null


func _on_lights_button_up():
    $viewport/character/face_lights.hide()
func _on_lights_button_down():
    $viewport/character/face_lights.show()


func _on_lights_toggled(button_pressed):
    if button_pressed:
        $viewport/character/face_lights.show()
    else:
        $viewport/character/face_lights.hide()
            
func _on_character_preview_image_resized():
    $viewport.size = $margin_container/character_box/v_box_container/character_preview_image.rect_size