import openpyxl
import csv
import os.path
import glob


def read_value(patient_dir, atlas, data_type):
    folder_name = os.path.basename(patient_dir)
    csv_file_path = os.path.join(patient_dir, f"{data_type}_{atlas}_result", "result_atlas.csv")

    result = [folder_name]
    with open(csv_file_path, mode='r') as data_csv_file:
        csv_reader = csv.DictReader(data_csv_file)
        for row in csv_reader:
            mean = float(row["meanValue"])
            result.append(mean)

    return result


def read_header(patient_dir, atlas, data_type):
    header = ['编号']

    csv_file_path = os.path.join(patient_dir, f"{data_type}_{atlas}_result", "result_atlas.csv")

    with open(csv_file_path, mode='r') as data_csv_file:
        csv_reader = csv.DictReader(data_csv_file)
        for row in csv_reader:
            region_name = row["Chinese Name"]
            header.append(region_name)

    return header


def generate_stats_row(name, region_size, function, patient_size):
    result = [name]

    for i in range(region_size):
        letter = openpyxl.utils.cell.get_column_letter(i + 2)
        result.append(f'={function}({letter}2:{letter}{patient_size + 1})')

    return result


def write_to_work_sheet(work_sheet, patient_list, atlas, data_type):
    if len(patient_list) == 0:
        return

    header = read_header(patient_list[0], atlas, data_type)

    work_sheet.append(header)

    for patient_dir in patient_list:
        print(data_type, patient_dir)
        patient_data = read_value(patient_dir, atlas, data_type)

        work_sheet.append(patient_data)

    region_size = len(header) - 1
    work_sheet.append([])
    work_sheet.append([])
    work_sheet.append(generate_stats_row('均值', region_size, 'AVERAGE', len(patient_list)))
    work_sheet.append(generate_stats_row('标准差', region_size, 'STDEV', len(patient_list)))
    work_sheet.append(generate_stats_row('最小值', region_size, 'MIN', len(patient_list)))
    # 请尝试在空格的位置添加 5% 25% 50% 75% 95% 分位数，使用excel的PERCENTILE函数
    work_sheet.append([])
    work_sheet.append([])
    work_sheet.append([])
    work_sheet.append([])
    work_sheet.append([])
    work_sheet.append(generate_stats_row('最大值', region_size, 'MAX', len(patient_list)))


def main():
    data_types = ['corr-CBF', 'ATT', 'ACBV', 'CBF1', 'CBF2', 'CBF3', 'CBF4', 'CBF5']
    atlas_list = ['AnImage_WholeBrain', 'AnImage_BrainLobes', 'AnImage_AAL3']

    output_file = r'..\Data\csv-simple-stat.xlsx'

    patient_list = glob.glob(r'..\Data\csv-data\*')

    work_book = openpyxl.Workbook()
    work_book.remove(work_book.active)

    for data_type in data_types:
        for atlas in atlas_list:
            work_sheet = work_book.create_sheet(title=f'{atlas}_{data_type}')
            write_to_work_sheet(work_sheet, patient_list, atlas, data_type)

    work_book.save(output_file)


main()