class_name Campaign
extends RefCounted
## Small campaign/session progression model. Venue rules stay in VenueScenario;
## this only owns order, completed shifts, difficulty and the next venue.

const ORDER := ["hollywood_building", "joke_shop", "tv_studio"]

var index := 0
var shift_number := 1
var completed: Array[String] = []
var difficulty := "normal"
var complete := false
var last_grade := ""

func setup(data: Dictionary = {}) -> void:
	index = clampi(int(data.get("index", 0)), 0, ORDER.size())
	shift_number = maxi(1, int(data.get("shift_number", 1)))
	difficulty = str(data.get("difficulty", "normal"))
	completed.clear()
	for item in data.get("completed", []):
		var value := str(item)
		if value in ORDER and value not in completed:
			completed.append(value)
	complete = bool(data.get("complete", index >= ORDER.size()))
	last_grade = str(data.get("last_grade", ""))

func next_venue() -> String:
	if complete or index >= ORDER.size():
		return ""
	return ORDER[index]

func summary() -> Dictionary:
	return {
		"index": index,
		"next_venue": next_venue(),
		"shift_number": shift_number,
		"difficulty": difficulty,
		"complete": complete,
		"completed": completed.duplicate(),
		"last_grade": last_grade,
	}

## Record one finished shift. Idempotent per venue for a single campaign run.
func record_shift(scenario_id: String, review: Dictionary = {}) -> bool:
	if complete:
		return false
	if scenario_id != next_venue():
		return false
	if scenario_id not in completed:
		completed.append(scenario_id)
	var rep: Dictionary = review.get("reputation", {})
	last_grade = str(rep.get("grade", last_grade))
	index += 1
	shift_number = index + 1
	if index >= ORDER.size():
		complete = true
	return true

func set_difficulty(value: String) -> void:
	if value in ["easy", "normal", "hard"]:
		difficulty = value

func reset() -> void:
	setup({})