lection_is_over = false

player_hold_book = false
player_hold_knife = false
teacher_arrived = false

night_time = false

function lection_hall_zone001_enter_callback()
--game_api.start_dialogue("")
--Start cutscene
  if (lection_is_over == false) then
  game_api.start_cutscene("test_cutscene_01")
  end
end

game_api.set_trigger_zone_callbacks("lection_hall_zone001",
    lection_hall_zone001_enter_callback,
    nil
)

function knife_dialog_zone001_enter_callback()
	print("knife_dialog_zone001_enter_callback--!")
	if (player_hold_knife == false) then
		if lection_is_over then
		game_api.start_dialogue("knife_dialog001")
		game_api.switch_navigation(0)
		end
	else
		game_api.start_dialogue("knife_dialog_second001")
		game_api.set_trigger_zone_enabled(1, false)
	end
end

function knife_dialog_zone001_exit_callback()
    print("knife_dialog_zone001_exit_callback--!")
	game_api.switch_navigation(0)
end

game_api.set_trigger_zone_callbacks("knife_dialog_zone001",
    knife_dialog_zone001_enter_callback,
    knife_dialog_zone001_exit_callback
)


function on_knife_pickup()
game_api.pickup_item("knife")
game_api.deactivate_interactive_object("Knife001")
game_api.set_npc_enabled(1, false)
player_hold_knife = true
game_api.set_trigger_zone_enabled(2, true)
game_api.npc_walk_to(0, -4.57412, 0, 6.78495, on_teacher_arrived2)
end

function on_book_pickup()
	if not player_hold_book then
		game_api.pickup_item("book")
		game_api.deactivate_interactive_object("Book001")
		player_hold_book = true
	else
		game_api.remove_item("book")
		game_api.activate_interactive_object("Book001")
		player_hold_book = false
	end
end

function on_bookshelf_clicked()
	if not player_hold_book then
		game_api.pickup_item("book")
		game_api.deactivate_interactive_object("Book001")
		player_hold_book = true
		game_api.set_trigger_zone_enabled(3, true)
	else
		game_api.remove_item("book")
		game_api.activate_interactive_object("Book001")
		player_hold_book = false
		game_api.set_trigger_zone_enabled(3, false)
	end
end



function on_npc_interact(npc_index)
    print("[Lua] NPC interaction! Index: " .. tostring(npc_index))
	if npc_index == 1 then
		game_api.start_dialogue("knife_dialog001")
	end
	if npc_index == 0 then
		--game_api.start_dialogue("teacher_dialog001")
		--game_api.set_trigger_zone_enabled(2, false)
	end
end

function teacher_zone001_enter_callback()
game_api.start_dialogue("teacher_dialog001")
game_api.set_trigger_zone_enabled(2, false)
end


function on_locked_door_click()
game_api.start_dialogue("door_dialog001")
end

function on_library_door_click()
if (not lection_is_over) then
game_api.start_dialogue("door_dialog001")
end
end

function on_teachers_door_click()
if (not lection_is_over) then
game_api.start_dialogue("door_dialog001")
end
end

function on_hall_door_click()
end


function on_teacher_arrived()
teacher_arrived = true
print("Teacher arrived")
end

function on_teacher_arrived2()
print("Teacher arrived2")
end

function book_dialog_zone001_enter_callback()
if (night_time == false) then
game_api.start_dialogue("book_dialog001")
game_api.switch_navigation(0)
end
end

function  book_dialog_zone001_exit_callback()
if (night_time == false) then
game_api.switch_navigation(0)
end
end

function on_computer_clicked()
  if (night_time == false) then
  if (player_hold_book) then
  game_api.start_cutscene("test_cutscene_02")
  else
  game_api.start_dialogue("book_dialog002")
  end
  end
end

game_api.set_cutscene_callback("test_cutscene_01", function()
    print("Cutscene done!")
    lection_is_over = true
	if (player_hold_knife == false) then
    game_api.set_npc_enabled(1, true)
	end
	game_api.npc_walk_to(0, 3.19574, 0, 6.45595, on_teacher_arrived)
end)

game_api.set_cutscene_callback("test_cutscene_02", function()
    print("Cutscene 2 done!")
	night_time = true
	game_api.set_npc_enabled(0, false)
	game_api.switch_navigation(0)
end)

game_api.set_trigger_zone_callbacks("teacher_dialog_zone001",
    teacher_zone001_enter_callback,
    nil
)

game_api.set_trigger_zone_callbacks("book_dialog_zone001",
    book_dialog_zone001_enter_callback,
    book_dialog_zone001_exit_callback
)

print("Lua script loaded successfully!")