extends Node

var passed: int = 0
var failed: int = 0
var _game_root: Node = null

func _ready():
    pass  # run() is called by the test runner; avoid double-execution.

func run():
    print("\n=== TEST: Gold Mine Click ===\n")
    TestUtils.set_test_name("gold_mine_click")
    
    # Load tiny_sword scene
    var scene = load("res://docs/gyms/tiny_sword/tiny_sword.tscn")
    _game_root = scene.instantiate()
    
    # Use a unique save path to avoid contamination from previous test runs.
    var save_path: String = "user://test_gold_mine_%d.json" % randi()
    DirAccess.remove_absolute(ProjectSettings.globalize_path(save_path))
    var gs: LevelGameState = _game_root.get_node("LevelGameState")
    gs.save_file_path = save_path
    
    add_child(_game_root)
    
    await _wait()
    
    var game_state: LevelGameState = _game_root.find_child("LevelGameState")
    var gold_mine_node: Node = _game_root.find_child("GoldMine")
    
    if game_state == null:
        print("[ERROR] LevelGameState not found")
        _print_summary()
        return
    
    if gold_mine_node == null:
        print("[ERROR] GoldMine node not found")
        _print_summary()
        return
    
    var gold_mine: CurrencyGenerator = gold_mine_node.find_child("CurrencyGenerator") as CurrencyGenerator
    if gold_mine == null:
        print("[ERROR] CurrencyGenerator not found under GoldMine")
        _print_summary()
        return
    
    # Verify game_state is reachable and generator is available
    TestUtils.assert_not_null(gold_mine.game_state, "game_state is not null")
    TestUtils.assert_true(gold_mine.is_available_to_player(), "Gold Mine is available to player")
    
    # Record initial gold (copy to avoid BigNumber reference sharing)
    var initial_gold: BigNumber = BigNumber.new(
        game_state.get_currency_amount_by_id(&"gold").mantissa,
        game_state.get_currency_amount_by_id(&"gold").exponent
    )
    print("[TARGET] initial_gold: %s" % initial_gold.to_string_suffix(2))
    
    # Temporarily set press_buys_generator to false so _on_pressed grants click currency
    # (Gold Mine defaults to true which would try to buy with workers instead)
    var original_press_buys: bool = gold_mine.press_buys_generator
    gold_mine.press_buys_generator = false
    
    # Simulate clicking the generator
    gold_mine._on_pressed()
    
    await _wait()
    
    # Validate gold increased (copy to avoid BigNumber reference sharing)
    var final_gold: BigNumber = BigNumber.new(
        game_state.get_currency_amount_by_id(&"gold").mantissa,
        game_state.get_currency_amount_by_id(&"gold").exponent
    )
    print("[TARGET] final_gold: %s" % final_gold.to_string_suffix(2))
    
    TestUtils.assert_greater_than(
        final_gold.mantissa,
        initial_gold.mantissa,
        "Gold increased after generator click"
    )
    
    # Check specific value (adjust based on click_mantissa in data)
    var expected_min: float = initial_gold.mantissa + 1.0
    TestUtils.assert_true(
        final_gold.mantissa >= expected_min,
        "Gold increased by at least 1.0"
    )
    
    _print_summary()

func _wait() -> void:
    await get_tree().create_timer(0.5).timeout

func _print_summary():
    TestUtils.print_result()
    passed = TestUtils.get_passed()
    failed = TestUtils.get_failed()

func get_passed() -> int:
    return passed

func get_failed() -> int:
    return failed