extends Control

var cards = [
#	{
#		"command": 'git add .',
#		"arg_number": 0,
#		"description": "Add all files in the working directory to the index.",
#		"energy": 1
#	},
#
#	{
#		"command": 'touch "file$RANDOM"',
#		"arg_number": 0,
#		"description": "Create a new file.",
#		"energy": 2
#	},
#	{
#		"command": 'git checkout -b "$RANDOM"',
#		"arg_number": 0,
#		"description": "Create a new branch and switch to it.",
#		"energy": 2
#	},
#	{
#		"command": 'git merge',
#		"arg_number": 1,
#		"description": "Merge specified commit into HEAD.",
#		"energy": 1
#	},
#	{
#		"command": 'git commit --allow-empty -m "$RANDOM"',
#		"arg_number": 0,
#		"description": "Add a new commit under HEAD.",
#		"energy": 1
#	},
	{
		"command": 'git checkout',
		"arg_number": 1,
		"description": "Travel to a commit!",
		#"description": "Point HEAD to a branch or commit, and update the index and the working directory.",
		"energy": 1
	},
	{
		"command": 'git add .; git commit',
		"arg_number": 0,
		"description": "Make a new commit!",
		"energy": 1
	},
#	{
#		"command": 'git branch new',
#		"arg_number": 1,
#		"description": "Create a new timeline.",
#		"energy": 1
#	},
	{
		"command": 'git merge',
		"arg_number": 1,
		"description": "Merge the specified timeline into yours.",
		"energy": 1
	},
	{
		"command": 'git rebase',
		"arg_number": 1,
		"description": "Put the events in your current timeline on top of the specified one.",
		"energy": 1
	},
	{
		"command": 'git pull',
		"arg_number": 0,
		"description": "Get timelines from a colleague.",
		"energy": 1
	},
	{
		"command": 'git push',
		"arg_number": 0,
		"description": "Give timelines to a colleague.",
		"energy": 1
	},
	{
		"command": 'git rebase -i',
		"arg_number": 1,
		"description": "Make changes to the events in your current timeline, back to the commit you drag this to.",
		"energy": 1
	},
	{
		"command": 'git reset --hard',
		"arg_number": 1,
		"description": "Reset current label to the specified commit.",
		"energy": 1
	},
	{
		"command": 'git cherry-pick',
		"arg_number": 1,
		"description": "Repeat the specified action on top of your current timeline.",
		"energy": 1
	},
#	{
#		"command": 'git update-ref -d',
#		"arg_number": 1,
#		"description": "Delete a ref.",
#		"energy": 1
#	},
#	{
#		"command": 'git reflog expire --expire=now --all; git prune',
#		"arg_number": 0,
#		"description": "Delete all unreferenced objects.",
#		"energy": 1
#	},
#	{
#		"command": 'git rebase',
#		"arg_number": 1,
#		"description": "Rebase current branch on top of specified commit.",
#		"energy": 1
#	},
#	{
#		"command": 'git push -f',
#		"arg_number": 0,
#		"description": "Push current branch to the remote, overwriting existing commits. Will make everyone angry.",
#		"energy": 3
#	},
#	{
#		"command": 'git pull',
#		"arg_number": 0,
#		"description": "Pull current branch from the remote.",
#		"energy": 2
#	},
]

func _ready():
	redraw_all_cards()
	arrange_cards()
	pass

func _process(_delta):
	if $Energy:
		$Energy.text = str(game.energy)
	
func draw_rand_card():
	var deck = []
	
	for card in cards:
		deck.push_back(card)
	
	# We want a lot of commit and checkout cards!
	for _i in range(5):
		deck.push_back(cards[0])
		deck.push_back(cards[1])
	
	var card = deck[randi() % deck.size()]
	draw_card(card)

func draw_card(card):
	var new_card = preload("res://scenes/card.tscn").instance()
	
	new_card.command = card.command
	new_card.arg_number = card.arg_number
	new_card.description = card.description
	new_card.energy = 0 #card.energy
	new_card.position = Vector2(rect_size.x, rect_size.y*2)
	add_child(new_card)
	arrange_cards()
	
func arrange_cards():
	var t = Timer.new()
	t.wait_time = 0.05
	add_child(t)
	t.start()
	yield(t, "timeout")
	
	var amount_cards = get_tree().get_nodes_in_group("cards").size()
	var total_angle = min(50, 45.0/7*amount_cards)
	var angle_between_cards = 0
	if amount_cards > 1:
		angle_between_cards = total_angle / (amount_cards-1)
		
	var current_angle = -total_angle/2
	for card in get_tree().get_nodes_in_group("cards"):
		var target_position = Vector2(rect_size.x/2, rect_size.y + 1500)
		var target_rotation = current_angle
		var translation_vec = Vector2(0,-1500).rotated(current_angle/180.0*PI)
		target_position += translation_vec
		current_angle += angle_between_cards
		card._home_position = target_position
		card._home_rotation = target_rotation
		
		var tween = Tween.new()
		tween.interpolate_property(card, "position", card.position, target_position, 0.5, Tween.TRANS_CUBIC, Tween.EASE_IN_OUT)
		tween.interpolate_property(card, "rotation_degrees", card.rotation_degrees, target_rotation, 0.5, Tween.TRANS_CUBIC, Tween.EASE_IN_OUT)
		add_child(tween)
		tween.start()
		
func redraw_all_cards():
	game.energy = 5
	
	for card in get_tree().get_nodes_in_group("cards"):
		card.queue_free()

	for card in cards:
		draw_card(card)

func add_card(command):
	draw_card({"command": command, "description": "", "arg_number": 0, "energy": 0})