class_name ShiftReview
extends CanvasLayer
## End-of-shift review screen (PLAN.md: Evidence and Body Camera, Shift Review).

const Strings := preload("res://src/core/strings.gd")
const UiArt := preload("res://src/game/ui/art.gd")
const UiStyles := preload("res://src/game/ui/ui_styles.gd")
const UiFocus := preload("res://src/game/ui/ui_focus.gd")

signal restart_requested()
signal continue_requested()
signal timeline_requested(review: Dictionary)

## Kept so the timeline button can hand the full review back to the game manager.
var _review: Dictionary = {}

var report_label: Label
var _campaign_label: Label = null
var _continue_button: Button = null
var _timeline_button: Button = null
var _restart_button: Button = null
var _quit_button: Button = null

func _init() -> void:
	name = "ShiftReview"
	layer = 30
	var root := Control.new()
	root.name = "ReviewRoot"
	root.set_anchors_preset(Control.PRESET_FULL_RECT)
	add_child(root)
	var art := UiArt.new()
	if not art.add_screen_backdrop(root, "shift_review",
			Rect2(0.172, 0.033, 0.59, 0.927)):
		var dim := ColorRect.new()
		dim.color = Color(0.04, 0.05, 0.08, 0.92)
		dim.set_anchors_preset(Control.PRESET_FULL_RECT)
		root.add_child(dim)

	var center_host := CenterContainer.new()
	center_host.set_anchors_preset(Control.PRESET_FULL_RECT)
	root.add_child(center_host)
	var center := VBoxContainer.new()
	center.custom_minimum_size = Vector2(760, 0)
	center.alignment = BoxContainer.ALIGNMENT_CENTER
	center.add_theme_constant_override("separation", 8)
	center_host.add_child(center)

	var title := Label.new()
	title.text = Strings.lookup("review.title")
	title.add_theme_font_size_override("font_size", 28)
	title.horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER
	center.add_child(title)

	report_label = Label.new()
	report_label.horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER
	report_label.autowrap_mode = TextServer.AUTOWRAP_WORD_SMART
	report_label.custom_minimum_size = Vector2(720, 0)
	center.add_child(report_label)

	_campaign_label = Label.new()
	_campaign_label.horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER
	_campaign_label.add_theme_color_override("font_color", Color(0.62, 0.8, 0.95))
	center.add_child(_campaign_label)

	_continue_button = Button.new()
	_continue_button.name = "ContinueButton"
	_continue_button.text = Strings.lookup("review.continue_campaign")
	_continue_button.pressed.connect(func(): continue_requested.emit())
	_continue_button.size_flags_horizontal = Control.SIZE_SHRINK_CENTER
	center.add_child(_continue_button)

	_timeline_button = Button.new()
	_timeline_button.name = "TimelineButton"
	_timeline_button.text = Strings.lookup("review.timeline_button")
	_timeline_button.pressed.connect(func(): timeline_requested.emit(_review))
	_timeline_button.size_flags_horizontal = Control.SIZE_SHRINK_CENTER
	center.add_child(_timeline_button)

	_restart_button = Button.new()
	_restart_button.name = "ReturnMenuButton"
	_restart_button.text = Strings.lookup("ui.review_return_menu")
	_restart_button.pressed.connect(func(): restart_requested.emit())
	_restart_button.size_flags_horizontal = Control.SIZE_SHRINK_CENTER
	center.add_child(_restart_button)

	_quit_button = Button.new()
	_quit_button.name = "QuitButton"
	_quit_button.text = Strings.lookup("ui.quit_game")
	_quit_button.pressed.connect(func(): get_tree().quit())
	_quit_button.size_flags_horizontal = Control.SIZE_SHRINK_CENTER
	_style_review_button(_timeline_button)
	_style_review_button(_continue_button)
	_style_review_button(_restart_button)
	_style_review_button(_quit_button)
	center.add_child(_quit_button)

func _style_review_button(button: Button) -> void:
	button.custom_minimum_size = Vector2(300, 46)
	UiStyles.apply_button(button, 22)

func show_review(review: Dictionary, scenario: Resource, history: Array = [],
		campaign_summary: Dictionary = {}) -> void:
	_review = review
	var reputation: Dictionary = review.get("reputation", {})
	var incidents: Dictionary = review.get("incidents", {})
	var crowd: Dictionary = review.get("crowd", {})
	var radio: Dictionary = review.get("radio", {})
	var outcomes: Array = review.get("responder_outcomes", [])
	var investigations: Array = review.get("investigations", [])
	var incident_list: Array = incidents.get("incidents", [])
	var peaceful := 0
	for inc in incident_list:
		if inc.get("outcome", "") in ["peaceful", "left"]:
			peaceful += 1

	# Persisted-shift history (Save autoload): record count + best rating.
	var history_line := ""
	if history.size() > 0:
		var best := -1.0
		var past_grades: Array[String] = []
		for entry in history:
			var rep: Dictionary = entry.get("reputation", {})
			var rating_v: float = float(rep.get("rating", 0.0))
			best = maxf(best, rating_v)
			var g: String = rep.get("grade", "?")
			if not past_grades.has(g):
				past_grades.append(g)
		history_line = Strings.fmt("review.history", [
			history.size(), best, ", ".join(past_grades)])

	var lines: Array[String] = [
		Strings.fmt("review.venue", [scenario.display_name if scenario else review.get("scenario_id", "")]),
		Strings.fmt("review.policy", [scenario.policy_summary if scenario else "See venue policy."]),
		Strings.fmt("review.grade", [reputation.get("grade", "?"), reputation.get("rating", 0.0)]),
		history_line,
		Strings.fmt("review.incidents", [incident_list.size(), peaceful]),
		Strings.fmt("review.npcs", [review.get("spawned_count", 0)]),
		Strings.fmt("review.radio", [radio.get("battery", 0.0), radio.get("emergency_cooldown_s", 0.0)]),
		Strings.fmt("review.crowd", [crowd.get("mood", 0.0) * 100.0, str(crowd.get("panic", false))]),
		Strings.fmt("review.responder", [", ".join(outcomes) if outcomes.size() > 0 else Strings.lookup("review.none")]),
		Strings.fmt("review.investigations", [" | ".join(investigations) if investigations.size() > 0 else Strings.lookup("review.none")]),
		"",
		Strings.lookup("review.highlights"),
	]
	var mods: Array = reputation.get("modifiers", [])
	var shown := 0
	for mod in mods:
		var delta: float = float(mod.get("delta", 0.0))
		lines.append(Strings.fmt("review.modifier", [str(mod.get("category", "")), "%+.0f" % delta, str(mod.get("reason", ""))]))
		shown += 1
		if shown >= 12:
			break
	report_label.text = "\n".join(lines)
	var next_venue := str(campaign_summary.get("next_venue", ""))
	var campaign_complete := bool(campaign_summary.get("complete", false))
	if _campaign_label:
		if campaign_complete:
			_campaign_label.text = Strings.lookup("review.campaign_complete")
		elif next_venue != "":
			_campaign_label.text = Strings.fmt("review.campaign_next", [
				int(campaign_summary.get("shift_number", 1)) - 1,
				next_venue.replace("_", " ").capitalize()])
		else:
			_campaign_label.text = ""
	if _continue_button:
		_continue_button.visible = not campaign_complete and next_venue != ""
	visible = true
	var buttons: Array = [_continue_button, _timeline_button, _restart_button, _quit_button]
	UiFocus.link(buttons)
	var first := UiFocus.first_enabled(buttons)
	if first:
		first.grab_focus()

func _unhandled_input(event: InputEvent) -> void:
	if not visible:
		return
	if event.is_action_pressed("ui_cancel"):
		restart_requested.emit()
		get_viewport().set_input_as_handled()