#!/usr/bin/env python3
import argparse
from collections import defaultdict
from colorama import Back, Fore, Style
from util import utils
from util.utils import FunctionStatus
import typing as tp

parser = argparse.ArgumentParser()
parser.add_argument("--csv", "-c", action="store_true",
                    help="Print a CSV line rather than a human-readable progress report")
parser.add_argument("--print-nm", "-n", action="store_true",
                    help="Print non-matching functions with major issues")
parser.add_argument("--print-eq", "-e", action="store_true",
                    help="Print non-matching functions with minor issues")
parser.add_argument("--print-ok", "-m", action="store_true",
                    help="Print matching functions")
args = parser.parse_args()

code_size_total = 0
num_total = 0
code_size: tp.DefaultDict[FunctionStatus, int] = defaultdict(int)
counts: tp.DefaultDict[FunctionStatus, int] = defaultdict(int)

for info in utils.get_functions():
    code_size_total += info.size
    num_total += 1

    if not info.decomp_name:
        continue

    counts[info.status] += 1
    code_size[info.status] += info.size

    if not args.csv:
        if info.status == FunctionStatus.NonMatching:
            if args.print_nm:
                print(f"{Fore.RED}NM{Fore.RESET} {utils.format_symbol_name(info.decomp_name)}")
        elif info.status == FunctionStatus.Equivalent:
            if args.print_eq:
                print(f"{Fore.YELLOW}EQ{Fore.RESET} {utils.format_symbol_name(info.decomp_name)}")
        elif info.status == FunctionStatus.Matching:
            if args.print_ok:
                print(f"{Fore.GREEN}OK{Fore.RESET} {utils.format_symbol_name(info.decomp_name)}")
        elif info.status == FunctionStatus.Wip:
            print(
                f"{Back.RED}{Style.BRIGHT}{Fore.WHITE} WIP {Style.RESET_ALL} {utils.format_symbol_name(info.decomp_name)}{Style.RESET_ALL}")


def format_progress(label: str, num: int, size: int):
    percentage = round(100 * num / num_total, 3)
    size_percentage = round(100 * size / code_size_total, 3)
    return f"{num:>7d} {label}{Fore.RESET} ({percentage}% | size: {size_percentage}%)"


def format_progress_for_status(label: str, status: FunctionStatus):
    return format_progress(label, counts[status], code_size[status])


if args.csv:
    import git

    version = 1
    git_object = git.Repo().head.object
    timestamp = str(git_object.committed_date)
    git_hash = git_object.hexsha

    fields = [
        str(version),
        timestamp,
        git_hash,

        str(num_total),
        str(code_size_total),

        str(counts[FunctionStatus.Matching]),
        str(code_size[FunctionStatus.Matching]),

        str(counts[FunctionStatus.Equivalent]),
        str(code_size[FunctionStatus.Equivalent]),

        str(counts[FunctionStatus.NonMatching]),
        str(code_size[FunctionStatus.NonMatching]),
    ]
    print(",".join(fields))

else:
    print()

    print(f"{num_total:>7d} functions (size: ~{code_size_total} bytes)")

    count_decompiled = counts[FunctionStatus.Matching] + counts[FunctionStatus.Equivalent] + counts[
        FunctionStatus.NonMatching]
    code_size_decompiled = code_size[FunctionStatus.Matching] + code_size[FunctionStatus.Equivalent] + code_size[
        FunctionStatus.NonMatching]

    print(format_progress(f"{Fore.CYAN}decompiled", count_decompiled, code_size_decompiled))
    print(format_progress_for_status(f"{Fore.GREEN}matching", FunctionStatus.Matching))
    print(format_progress_for_status(f"{Fore.YELLOW}non-matching (minor issues)", FunctionStatus.Equivalent))
    print(format_progress_for_status(f"{Fore.RED}non-matching (major issues)", FunctionStatus.NonMatching))
    print()