class_name VillagerInspectionResult
extends RefCounted

const AWAITING_REASON := "Awaiting the next decision"

var npc_id: int
var npc_name: String
var action_id: StringName
var action_name: String
var task_state: StringName
var target_id: StringName
var target_name: String
var carried_amounts: Dictionary
var decision_reason: String
var _has_decision_reason: bool
var opportunity_note: VillagerOpportunityNote


func _init(
	inspection_npc_id: int,
	inspection_npc_name: String,
	inspection_action_id: StringName,
	inspection_action_name: String,
	inspection_task_state: StringName,
	inspection_target_id: StringName,
	inspection_target_name: String,
	inspection_carried_amounts: Dictionary,
	inspection_decision_reason := "",
	inspection_opportunity_note: VillagerOpportunityNote = null
) -> void:
	npc_id = inspection_npc_id
	npc_name = inspection_npc_name
	action_id = inspection_action_id
	action_name = inspection_action_name
	task_state = inspection_task_state
	target_id = inspection_target_id
	target_name = inspection_target_name
	carried_amounts = inspection_carried_amounts.duplicate(true)
	_has_decision_reason = not inspection_decision_reason.strip_edges().is_empty()
	decision_reason = (inspection_decision_reason if _has_decision_reason else AWAITING_REASON)
	opportunity_note = inspection_opportunity_note


func has_decision_reason() -> bool:
	return _has_decision_reason


func activity_text() -> String:
	return "%s · %s" % [action_name, _display_id(task_state)]


func carrying_text() -> String:
	var item_ids: Array = carried_amounts.keys()
	item_ids.sort()
	var entries: Array[String] = []
	for item_id in item_ids:
		var amount := float(carried_amounts[item_id])
		if amount <= 0.0:
			continue
		var amount_text := (
			"%.0f" % amount if is_equal_approx(amount, roundf(amount)) else "%.1f" % amount
		)
		entries.append("%s %s" % [amount_text, _display_id(StringName(item_id)).to_lower()])
	return "nothing" if entries.is_empty() else " · ".join(entries)


func cache_key() -> String:
	var carried_keys: Array = carried_amounts.keys()
	carried_keys.sort()
	var carried_parts: Array[String] = []
	for item_id in carried_keys:
		carried_parts.append("%s=%.3f" % [String(item_id), float(carried_amounts[item_id])])
	var note_part := opportunity_note.cache_key() if opportunity_note != null else "-"
	return (
		"|"
		. join(
			[
				str(npc_id),
				npc_name,
				String(action_id),
				action_name,
				String(task_state),
				String(target_id),
				target_name,
				",".join(carried_parts),
				decision_reason,
				note_part,
			]
		)
	)


static func _display_id(value: StringName) -> String:
	return String(value).replace("_", " ").capitalize()