extends Node

const SPEED_LIMIT: int = 5

# Write a readable diagnostic copy next to the encrypted save. Never used for loading.
var save_plaintext_copy: bool = true

var Settings: Dictionary = {
        "filename": "save-0001",
        "sound_volume": 1.0,
        "language": "en",
    }

# TODO getter setter for locale

var Locales: Dictionary = {}
var Locale = "en"

var OwniverseEntities: Dictionary = {}
var OwniverseItems: Dictionary = {}
var Templates: Dictionary = {}
var LifeRules: Dictionary = {}
var CivilizationRules: Dictionary = {}

var batch_count: float = 40.0 # must be even not odd


func get_localized_item_description(item_id: String, item: String) -> String:
    if Locales[Locale].has(item_id):
        return Locales[Locale][item_id][item]
    return ""


# Russian templates include the class; legacy English keys omit it.
func get_template(id: String, category: String, field: String) -> Dictionary:
    var rows: Dictionary = Templates.get(Locale, {})
    for key in [id + "." + category + "." + field, id + "." + field]:
        if rows.has(key):
            return rows[key]
    return {}


func render_template(row: Dictionary, variables: Dictionary) -> String:
    var result: String = str(row.get("text", ""))
    for i in range(5):
        var variable: String = str(row.get("value" + str(i), "")).strip_edges()
        var value: String = str(variables.get(variable, "—")) if variable != "" else ""
        result = result.replace("%value" + str(i) + "%", value)
    return result.replace("<br>", "\n").replace("[p]", "\n")


func get_description(item_id: String, items: Array = []) -> String:
    var row: Dictionary = Templates.get(Locale, {}).get(item_id, {})
    var variables: Dictionary = {}
    for i in mini(items.size(), 5):
        variables[str(row.get("value" + str(i), ""))] = items[i]
    return render_template(row, variables)


func format_number(value: float, digits: int = 0) -> String:
    if value == 0: return ""
    if value < 10_000:
        return "%.*f" % [digits, value]

    var exp_value = int(floor(log(abs(value)) / log(10.0)))
    var mantissa = value / pow(10.0, exp_value)
    
    return "%.*f" % [digits, mantissa] + "E%+d" % exp_value


func _ready() -> void:
    for row: Dictionary in _read_from_csv("res://data/civilization_rules.txt").values():
        if not CivilizationRules.has(row.stage):
            CivilizationRules[row.stage] = {"home": row.home, "span": float(row.span), "stars": float(row.stars), "ethics": {}}
        CivilizationRules[row.stage].ethics[row.ethic] = row
    LifeRules = _read_from_csv("res://data/life_rules.txt")
    OwniverseEntities = _read_from_csv("res://data/owniverse_entities.txt")
    OwniverseItems = _read_from_csv("res://data/owniverse_items.txt")
    
    Locales["en"] = _read_from_csv("res://data/locale.en.txt")
    Locales["ru"] = _read_from_csv("res://data/locale.ru.txt")
    
    Templates["en"] = _read_from_csv("res://data/templates.en.txt")
    Templates["ru"] = _read_from_csv("res://data/templates.ru.txt")
    

func _read_from_csv(file_path: String) -> Dictionary:
    if not FileAccess.file_exists(file_path):
        printerr("File not found: " + file_path)
        return {}
    
    var file = FileAccess.open(file_path, FileAccess.READ)
    if file == null:
        printerr("File can not be opened:" + file_path)
        return {}
    
    var headers: PackedStringArray = []
    var data: Array = []
    
    if not file.eof_reached():
        headers = PackedStringArray()
        for val in file.get_csv_line("|"):
            headers.append(val.strip_edges())

    while not file.eof_reached():
        var raw_row = file.get_csv_line("|")
        if raw_row.is_empty(): # пропускаем пустые строки
            continue
        
        var trimmed_row: PackedStringArray = []
        for val in raw_row:
            trimmed_row.append(val.strip_edges())
        
        data.append(trimmed_row)
    
    file.close()
        
    var dict_data: Dictionary = {}
    for row in data:
        if row.size() < 2: continue
        
        if row.size() == headers.size():
            var dict: Dictionary = {}
            for i in headers.size():
                dict[headers[i]] = row[i]
            dict_data[row[0]] = dict
    
    return dict_data


func _read_folder_list(folder_name: String) -> void:
    var dir := DirAccess.open(folder_name)
    if dir == null: printerr("Could not open folder: ", folder_name); return
    dir.list_dir_begin()
    for file: String in dir.get_files():
        print("  → ", file)


func _print_dict(dict_to_print: Dictionary):
    for d in dict_to_print:
        print(d, " → ", dict_to_print[d])