#!/usr/bin/env python3

# SPDX-FileCopyrightText: © 2023 ZeldaRET
# SPDX-License-Identifier: MIT

from __future__ import annotations

import argparse
import mapfile_parser
from pathlib import Path


ASMPATH = Path("asm")
NONMATCHINGS = "nonmatchings"


def getProgressFromMapFile(mapFile: mapfile_parser.MapFile, asmPath: Path, nonmatchings: Path, aliases: dict[str, str]=dict(), pathIndex: int=2) -> tuple[mapfile_parser.ProgressStats, dict[str, mapfile_parser.ProgressStats]]:
    totalStats = mapfile_parser.ProgressStats()
    progressPerFolder: dict[str, mapfile_parser.ProgressStats] = dict()

    for segment in mapFile:
        for file in segment:
            if len(file) == 0:
                continue

            folder = file.filepath.parts[pathIndex]
            if folder == "fragments":
                folder = folder + "/" + file.filepath.parts[pathIndex + 1]

            if ".a" in folder:
                folder = folder.split('.a')[0]

            if folder in aliases:
                folder = aliases[folder]

            if folder not in progressPerFolder:
                progressPerFolder[folder] = mapfile_parser.ProgressStats()

            originalFilePath = Path(*file.filepath.parts[pathIndex:])

            extensionlessFilePath = originalFilePath
            while extensionlessFilePath.suffix:
                extensionlessFilePath = extensionlessFilePath.with_suffix("")

            fullAsmFile = asmPath / extensionlessFilePath.with_suffix(".s")
            wholeFileIsUndecomped = fullAsmFile.exists()


            for func in file:
                funcAsmPath = nonmatchings / extensionlessFilePath / f"{func.name}.s"

                symSize = 0
                if func.size is not None:
                    symSize = func.size

                if wholeFileIsUndecomped:
                    totalStats.undecompedSize += symSize
                    progressPerFolder[folder].undecompedSize += symSize
                elif funcAsmPath.exists():
                    totalStats.undecompedSize += symSize
                    progressPerFolder[folder].undecompedSize += symSize
                else:
                    totalStats.decompedSize += symSize
                    progressPerFolder[folder].decompedSize += symSize

    return totalStats, progressPerFolder


def getProgress(mapPath: Path, version: str) -> tuple[mapfile_parser.ProgressStats, dict[str, mapfile_parser.ProgressStats]]:
    mapFile = mapfile_parser.MapFile()
    mapFile.readMapFile(mapPath)

    for segment in mapFile:
        for file in segment:
            if len(file) == 0:
                continue

            filepathParts = list(file.filepath.parts)
            if version in filepathParts:
                filepathParts.remove(version)
            file.filepath = Path(*filepathParts)

    nonMatchingsPath = ASMPATH / version / NONMATCHINGS

    return getProgressFromMapFile(mapFile.filterBySectionType(".text"), ASMPATH / version, nonMatchingsPath, aliases={"ultralib": "libultra"})

def progressMain():
    parser = argparse.ArgumentParser()
    parser.add_argument("-v", "--version", help="version to process", default="us")

    args = parser.parse_args()

    mapPath = Path("build") / f"pokestadium-{args.version}.map"

    totalStats, progressPerFolder = getProgress(mapPath, args.version)

    mapfile_parser.progress_stats.printStats(totalStats, progressPerFolder)

if __name__ == "__main__":
    progressMain()