import json
import os


def calculate_multiplier(max_score):
    if max_score >= 990000:
        return 4
    elif max_score >= 980000:
        return 3.75
    elif max_score >= 970000:
        return 3.5
    elif max_score >= 960000:
        return 3.25
    elif max_score >= 950000:
        return 3
    elif max_score >= 940000:
        return 2.75
    elif max_score >= 920000:
        return 2.5
    elif max_score >= 900000:
        return 2
    elif max_score >= 850000:
        return 1.5
    elif max_score >= 800000:
        return 1
    elif max_score >= 700000:
        return 0.8
    elif max_score >= 600000:
        return 0.7
    elif max_score >= 500000:
        return 0.6
    elif max_score >= 400000:
        return 0.5
    elif max_score >= 300000:
        return 0.4
    elif max_score >= 200000:
        return 0.3
    elif max_score >= 100000:
        return 0.2
    elif max_score >= 1:
        return 0.1
    else:
        return 0


def grade_to_name(grade):
    grade_names = {
        1: "NORMAL",
        2: "HARD",
        3: "EXPERT",
        4: "INFERNO"
    }
    return grade_names.get(grade, "Unknown Grade")


def get_music_name(levels_dict, music_id):
    music_entry = levels_dict.get(music_id, {})
    return music_entry.get("name", "Unknown")


def json_template(music, diff, rate, max, level, music_id):
    template = {
        'id': music_id,
        'music': music,
        'difficulty': diff,
        'rate': level,
        'max_score': max,
        'level': rate
    }
    return template


def output_json_template(b50, alt15, total):
    template = {
        'b50_total': total,
        'b50': b50,
        'alt15': alt15
    }
    return template


# print("//////////////////////////////////////////////////////////////////////")
# print("华卡音舞 Ver.3 3.50.00")
# print("全曲 Rate + Best 50 计算器")
# print("版本号 V0.05(1)")
# print("由WOAOL项目组制作")
# print("WACCA NEVER END")
# print("请注意，该版本计算器不区分B15和B35，仅计算全曲的Best50成绩，并使用V4的14定数表")
# print("该版本计算器为子版本，正常计算国服B50请不要用此计算器及其配套Table_output.json")
# print("//////////////////////////////////////////////////////////////////////")

if not os.path.isfile('Table_output_V4.json'):
    print("")
    print("错误：找不到Table_output_V4.json。")
    print("请将Rate_SDJE.py、Table_output_V4.json、playLog.json这三个文件放在同一目录下。")
    print("")
    exit()

if not os.path.isfile('playlog_b50.json'):
    print("")
    print("错误：找不到playlog_b50.json.json。")
    print("请将Rate_SDJE.py、Table_output_V4.json、playlog_b50.json这三个文件放在同一目录下。")
    print("")
    exit()

with open('playlog_b50.json', 'r', encoding='utf-8') as file:
    play_logs = json.load(file)

with open('Table_output_V4.json', 'r', encoding='utf-8') as file:
    table_output = json.load(file)

levels_dict = {}
for entry in table_output:
    music_id = entry["music_id"]
    levels_dict[music_id] = {
        "name": entry["music_name"],
        "levels": {
            1: entry["level_nm"],
            2: entry["level_hd"],
            3: entry["level_ex"],
            4: entry["level_in"]
        },
        "start_time": entry["start_time"],
        "start_inf": entry["start_inf"]
    }

best_50 = []

music_rates = {}

for log in play_logs:
    music_id = log['music_id']
    music_grade = log['music_grade']
    max_score = log['max_score']
    music_name = get_music_name(levels_dict, music_id)
    level_data = levels_dict.get(music_id, {}).get("levels", {})
    level = level_data.get(music_grade)
    if level is None:
        continue
    multiplier = calculate_multiplier(max_score)
    rate = multiplier * level
    grade_name = grade_to_name(music_grade)

    start_time = levels_dict[music_id]["start_time"]
    start_inf = levels_dict[music_id]["start_inf"]

    if music_name not in music_rates:
        music_rates[music_name] = []
    music_rates[music_name].append((grade_name, rate, max_score, music_id, music_grade))

    best_50.append((music_name, grade_name, rate, max_score, level, music_id))

# for music_name, grades_rates in music_rates.items():
#     print(f"\n{music_name}")
#     for grade_name, rate, max_score, music_id, music_grade in grades_rates:
#         if rate > 0:
#             level = levels_dict[music_id]["levels"][music_grade]
#             print(f"	难度: {grade_name}	定数: {level:.1f}	分数: {max_score}	Rate: {rate:.3f}")

best_50_sorted = sorted(best_50, key=lambda x: x[2], reverse=True)[0:50]
best_50_alternate = sorted(best_50, key=lambda x: x[2], reverse=True)[50:65]

best_50_total = sum(rate for _, _, rate, _, _, _ in best_50_sorted)

best_50_first_rate = best_50_sorted[0][2]
best_50_last_rate = best_50_sorted[49][2]

b50_json = []
alt15_json = []

for music_name, grade_name, rate, max_score, level, music_id in best_50_sorted:
    # print(f"{music_name}\n	难度: {grade_name}	定数: {level:.1f}	分数: {max_score}	Rate: {rate:.3f}\n")
    lv = f'{level:.1f}'
    lv = float(lv)
    rt = f'{rate:.3f}'
    rt = float(rt)
    b50_json.append(json_template(music_name, grade_name, lv, max_score, rt, music_id))

for music_name, grade_name, rate, max_score, level, music_id in best_50_alternate:
    # print(f"{music_name}\n	难度: {grade_name}	定数: {level:.1f}	分数: {max_score}	Rate: {rate:.3f}\n")
    lv = f'{level:.1f}'
    lv = float(lv)
    rt = f'{rate:.3f}'
    rt = float(rt)
    alt15_json.append(json_template(music_name, grade_name, lv, max_score, rt, music_id))

total = f'{best_50_total:.3f}'
total = float(total)
data = output_json_template(b50_json, alt15_json, total)
with open('b50_result.json', 'w+', encoding='utf-8') as json_file:
    json.dump(data, json_file, ensure_ascii=False, indent=2)
    print('Done')

# print(f"\nBest 35 单曲最高: {best_50_first_rate:.3f}")
# print(f"\nBest 35 单曲最低: {best_50_last_rate:.3f}")
#
# print(f"\nBest 50 合计: {best_50_total:.3f}")