#!/usr/bin/env python3
"""Extract finished zip downloads into data/raw, then delete the zip to save disk."""
from __future__ import annotations

import json
import subprocess
import zipfile
from pathlib import Path

ROOT = Path("/opt/dlami/nvme/workspace/skin_disease_classification")
LOG = ROOT / "logs"
STATE = ROOT / "logs" / "extract_state.json"

JOBS = [
    # job_log_name, zip_path, dest
    ("skindisnet1", ROOT / "data/downloads/skindisnet/SkinDisNet.zip", ROOT / "data/raw/skindisnet"),
    ("skindisnet2", ROOT / "data/downloads/skindisnet/SkinDisNet_2.zip", ROOT / "data/raw/skindisnet"),
    ("pad1", ROOT / "data/downloads/pad_ufes_20/imgs_part_1.zip", ROOT / "data/raw/pad_ufes_20/images"),
    ("pad2", ROOT / "data/downloads/pad_ufes_20/imgs_part_2.zip", ROOT / "data/raw/pad_ufes_20/images"),
    ("pad3", ROOT / "data/downloads/pad_ufes_20/imgs_part_3.zip", ROOT / "data/raw/pad_ufes_20/images"),
    ("isic2016_train", ROOT / "data/downloads/isic2016/ISBI2016_ISIC_Part3_Training_Data.zip", ROOT / "data/raw/isic2016/train"),
    ("isic2016_test", ROOT / "data/downloads/isic2016/ISBI2016_ISIC_Part3_Test_Data.zip", ROOT / "data/raw/isic2016/test"),
    ("isic2018_train", ROOT / "data/downloads/isic2018/ISIC2018_Task3_Training_Input.zip", ROOT / "data/raw/ham10000/train"),
    ("isic2018_train_gt", ROOT / "data/downloads/isic2018/ISIC2018_Task3_Training_GroundTruth.zip", ROOT / "data/raw/ham10000"),
    ("isic2018_val", ROOT / "data/downloads/isic2018/ISIC2018_Task3_Validation_Input.zip", ROOT / "data/raw/ham10000/val"),
    ("isic2018_val_gt", ROOT / "data/downloads/isic2018/ISIC2018_Task3_Validation_GroundTruth.zip", ROOT / "data/raw/ham10000"),
    ("isic2018_test", ROOT / "data/downloads/isic2018/ISIC2018_Task3_Test_Input.zip", ROOT / "data/raw/ham10000/test"),
    ("isic2018_test_gt", ROOT / "data/downloads/isic2018/ISIC2018_Task3_Test_GroundTruth.zip", ROOT / "data/raw/ham10000"),
    ("isic2019_train", ROOT / "data/downloads/isic2019/ISIC_2019_Training_Input.zip", ROOT / "data/raw/isic2019/train"),
    ("isic2019_test", ROOT / "data/downloads/isic2019/ISIC_2019_Test_Input.zip", ROOT / "data/raw/isic2019/test"),
    ("isic2024_train", ROOT / "data/downloads/isic2024/ISIC_2024_Training_Input.zip", ROOT / "data/raw/isic2024/train"),
    ("milk_train", ROOT / "data/downloads/milk10k/MILK10k_Training_Input.zip", ROOT / "data/raw/milk10k/train"),
    ("milk_test", ROOT / "data/downloads/milk10k/MILK10k_Test_Input.zip", ROOT / "data/raw/milk10k/test"),
    ("isic2020_train_jpeg", ROOT / "data/downloads/isic2020/ISIC_2020_Training_JPEG.zip", ROOT / "data/raw/isic2020/train"),
    ("isic2020_test_jpeg", ROOT / "data/downloads/isic2020/ISIC_2020_Test_JPEG.zip", ROOT / "data/raw/isic2020/test"),
]


def job_done(name: str) -> bool:
    log = LOG / f"{name}.log"
    if not log.exists():
        return False
    text = log.read_text(errors="replace")
    if f"END {name} rc=0" in text:
        return True
    # Direct wget jobs print:  "... saved [bytes/bytes]"
    return " saved [" in text and text.rstrip().endswith("]")


def load_state() -> dict:
    if STATE.exists():
        return json.loads(STATE.read_text())
    return {}


def save_state(state: dict) -> None:
    STATE.write_text(json.dumps(state, indent=2))


def extract(zip_path: Path, dest: Path) -> None:
    dest.mkdir(parents=True, exist_ok=True)
    print(f"EXTRACT {zip_path.name} -> {dest}", flush=True)
    with zipfile.ZipFile(zip_path) as zf:
        zf.extractall(dest)
    zip_path.unlink()
    print(f"DELETED {zip_path.name}", flush=True)


def main() -> None:
    state = load_state()
    for name, zip_path, dest in JOBS:
        if state.get(name) == "extracted":
            continue
        if not job_done(name):
            continue
        if not zip_path.exists():
            print(f"MISSING zip for {name}", flush=True)
            continue
        extract(zip_path, dest)
        state[name] = "extracted"
        save_state(state)
    print("extract pass complete", json.dumps(state), flush=True)


if __name__ == "__main__":
    main()