[gd_scene load_steps=3 format=3 uid="uid://x4kv2y5f52cm"]

[sub_resource type="GDScript" id="GDScript_x3g5o"]
script/source = "class_name Plant

extends Node2D

enum PlantState { SAPLING, GROWN, DEAD}

signal grown
signal died

@onready var growing_timer: Timer = $Growing
@onready var sprite_node: AnimatedSprite2D = $AnimatedSprite2D
@onready var need_checker: Timer = $NeedChecker

const NEEDCHECKPERIOD := 1.0

var parameter: PlantType
var state := PlantState.SAPLING
var can_grow := true

func init(plant_parameter: PlantType):
	parameter = plant_parameter
	sprite_node.sprite_frames = parameter.sprite_frames
	need_checker.start(NEEDCHECKPERIOD)


func _on_need_checker_timeout() -> void:
	can_grow = check_terrain_viability()
	growing_timer.paused = not can_grow

func check_terrain_viability() -> bool:
	var water := GameTerrain.get_stat(position, GameTerrain.Stats.WATER)
	if water < parameter.water_need[0] or water > parameter.water_need[1]:
		return false
	
	var fertility := GameTerrain.get_stat(position, GameTerrain.Stats.FERTILITY)
	if fertility < parameter.fertility_need[0] or fertility > parameter.fertility_need[1]:
		return false
		
	var presence := GameTerrain.get_stat(position, GameTerrain.Stats.PRESENCE)
	presence += GameTerrain.LEVELS_NUMBER / 2
	if presence < parameter.presence_need[0] or parameter.presence_need[1]:
		return false
		
	return true


func _on_growing_timeout() -> void:
	match state:
		PlantState.SAPLING:
			grow()
		PlantState.GROWN:
			die()
		PlantState.DEAD:
			push_error(\"Already dead\")


func plant(new_position: Vector2):
	position = new_position
	state = PlantState.SAPLING
	growing_timer.start(parameter.growing_time)
	sprite_node.play(\"SAPLING\")


func grow():
	if state != PlantState.SAPLING:
		push_error(\"Tried to grow \" + parameter.type + \", but was not at sapling state\")
		return
	state = PlantState.GROWN
	growing_timer.start(parameter.dying_time)
	GameTerrain.modify_zone(position, 
							parameter.distance_prod, 
							GameTerrain.Stats.WATER, 
							parameter.water_prod)
	GameTerrain.modify_zone(position, 
							parameter.distance_prod, 
							GameTerrain.Stats.FERTILITY, 
							parameter.fertility_prod)
	GameTerrain.modify_zone(position, 
							parameter.distance_prod, 
							GameTerrain.Stats.PRESENCE, 
							parameter.presence_prod)
	grown.emit()
	sprite_node.play(\"GROWN\")


func die():
	state = PlantState.DEAD
	died.emit()
	sprite_node.play(\"DEAD\")
	
"

[sub_resource type="SpriteFrames" id="SpriteFrames_667un"]
animations = [{
"frames": [],
"loop": true,
"name": &"SEED",
"speed": 5.0
}]

[node name="Plant" type="Node2D"]
script = SubResource("GDScript_x3g5o")

[node name="Growing" type="Timer" parent="."]
one_shot = true

[node name="NeedChecker" type="Timer" parent="."]

[node name="AnimatedSprite2D" type="AnimatedSprite2D" parent="."]
scale = Vector2(0.2, 0.2)
sprite_frames = SubResource("SpriteFrames_667un")
animation = &"SEED"

[connection signal="timeout" from="Growing" to="." method="_on_growing_timeout"]
[connection signal="timeout" from="NeedChecker" to="." method="_on_need_checker_timeout"]