extends "res://scenes/контроль/прибор.gd"


static var json_parser: JSON = JSON.new()


func get_path_from_meta(meta: String, paths: Array, tokens: Array = ['[', ']', '.']):
    paths.clear()
    var i_chs = []
    for sep in tokens:
        var i = 0
        while i != -1:
            i = meta.find(sep, i + 1)
            i_chs.append(i)
        i_chs.pop_back()
    i_chs.sort()

    var i0 = 0
    for i1 in i_chs:
        var ss: = [String()]
        tools.get_string_slice(meta, ss, i0, i1)
        if ss[0].is_valid_int():
            paths.append(ss[0].to_int())
        else:
            if ss[0]:
                paths.append(ss[0])
        i0 = i1 + 1


func _on_request_rtr_request_completed(result, _response_code, headers, body: PackedByteArray):
    if result != 0:
        var rs = $request_rtr.get_result_string(result)
        log.error('ошибка: \"%s\"' % rs)
        return

    var json_str: String = body.get_string_from_utf8()
    if not json_str:
        push_error('ошибка: не удаётся получить строку utf8 из данных (%s)' % headers)
        return

    var rc = json_parser.parse(json_str)
    if rc != Error.OK:
        var err = json_parser.get_error_message()
        push_error('ошибка: разбор json прерван - \"%s\" (%s)' % [err, headers])
        return

    var pp = ['DeviceDescription', 'DeviceName']
    var ret_val = [null, false]
    var pp_copy = pp.duplicate(true)
    tools.get_value_by_path(json_parser.data, pp, ret_val)
    if not ret_val[1]:
        push_error('ошибка: путь %s не найден (%s)' % [pp_copy, headers])
        return

    var bort_rtr_name_left: StringName = $left.get_meta('DeviceName', '')
    var bort_rtr_name_right: StringName = $right.get_meta('DeviceName', '')
    var bb = {bort_rtr_name_left: $left, bort_rtr_name_right: $right}
    if not bb.has(ret_val[0]):
        return

    var bort_rtr = bb[ret_val[0]]
    for child in bort_rtr.get_node('konverter/grid').get_children():
        map_data_to_item(json_parser.data, child, 'value0')
        map_data_to_item(json_parser.data, child, 'value1')
        map_data_to_item(json_parser.data, child, 'value2')
    for child in bort_rtr.get_node('antenna1/grid').get_children():
        map_data_to_item(json_parser.data, child, 'value0')
        map_data_to_item(json_parser.data, child, 'value1')
    for child in bort_rtr.get_node('antenna2/grid').get_children():
        map_data_to_item(json_parser.data, child, 'value0')
        map_data_to_item(json_parser.data, child, 'value1')
    for child in bort_rtr.get_children():
        map_data_to_item(json_parser.data, child, 'state')
        map_data_to_item(json_parser.data, child, 'value0')
        map_data_to_item(json_parser.data, child, 'value1')


func map_data_to_item(data, item, value_name: StringName):
    var meta = item.get_meta(value_name, '')
    if not (meta is String):
        return
    if meta == '':
        return
    var paths: = Array()
    get_path_from_meta(meta, paths)
    var ret_val: = [null, false]
    var paths_copy = paths.duplicate(true)
    tools.get_value_by_path(data, paths, ret_val)
    if ret_val[1]:
        item.set(value_name, ret_val[0])
    else:
        push_error('ошибка: поле по пути %s для $%s.%s не найдено' % [paths_copy, item.name, value_name])