extends Control

signal character_selected( slot )
signal return_button_pressed

var preview_slot = 0

var character_mesh = null
var name_input = null
onready var error_label = $h_box_container/character_creation_box/margin_container/v_box_container/error_label

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 has_node( "h_box_container/character_slots/slot_box_"+section ):
            last_slot = int(section)
            var character_name = config_file.get_value( section, "name" )
            
            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)
            $h_box_container/character_slots.add_child( slot_box )
            slot_box.set_owner( $h_box_container/character_slots )
            slot_box.connect( "mouse_entered", self, "_on_name_mouse_entered_pressed", [int(section)] )
            
            var label_name = Label.new()
            label_name.text = character_name#+ " ("+section+")"
            slot_box.add_child( label_name )
            label_name.set_owner( slot_box )
        #        label_name.connect( "mouse_entered", self, "_on_name_mouse_entered_pressed", [int(section)] )
            
            var choose_button = Button.new()
            choose_button.text = "Choisir"#+ " ("+section+")"
        #        choose_button.mouse_filter = MOUSE_FILTER_PASS
            slot_box.add_child( choose_button )
            choose_button.set_owner( slot_box )
            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"#+ " ("+section+")"
        #        delete_button.mouse_filter = MOUSE_FILTER_PASS
            slot_box.add_child( delete_button )
            delete_button.set_owner( slot_box )
            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 has_node( "h_box_container/character_slots/creation_button" ):
        $h_box_container/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"#+" ("+str(next_slot)+")"
    create_new_characer_button.hint_tooltip = "Create a new character"
    $h_box_container/character_slots.add_child( create_new_characer_button )
    create_new_characer_button.set_owner( $h_box_container/character_slots )
    create_new_characer_button.connect( "pressed", self, "_on_create_pressed", [next_slot] )

func _ready():
    character_mesh = character.get_node("MeshInstance")
    name_input = $h_box_container/character_creation_box/margin_container/v_box_container/name_box/line_edit

    update_character_slots()

func _on_character_slots_return_button_pressed():
    emit_signal( "return_button_pressed" )
    
func _on_create_pressed( slot ):
    global.character_slot = slot
    $h_box_container/character_slots.hide()
    $h_box_container/character_creation_box.show()
    _on_character_creation_box_gender_value_changed( $h_box_container/character_creation_box/margin_container/v_box_container/sexe_box/h_box_container/h_scroll_bar.value )
        
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 ):
    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) ):
        $viewport/character_preview/MeshInstance.get_surface_material(0).set_shader_param("albedo", config_file.get_value( str(slot), "color" ) )


func _on_character_creation_box_gender_value_changed(value):
    if value == 1:
        global.character_gender = 1
        character_mesh.get_surface_material(0).set_shader_param("albedo", Color( 1.0, 0.25, 0.25, 1.0 ) )
    else:
        global.character_gender = 0
        character_mesh.get_surface_material(0).set_shader_param("albedo", Color( 0.0, 0.0, 1.0, 1.0 ) )



func _on_character_creation_box_return_button_pressed():
    
    $h_box_container/character_slots.show()
    $h_box_container/character_creation_box.hide()

func _on_character_creation_box_creation_button_pressed():
    if not name_input.text or name_input.text == "":
        error_label.text = "You need to choose a character's name."
        return
    global.character_name = name_input.text
    global.character_color = character_mesh.get_surface_material(0).get_shader_param("albedo") 

    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(global.character_slot), "name", global.character_name)
    config_file.set_value( str(global.character_slot), "color", global.character_color)
    config_file.save( "user://player.cfg" )
    
    $h_box_container/character_slots.show()
    $h_box_container/character_creation_box.hide()
    update_character_slots()