"""gpt_image 第二图像后端手工验证(host 模式,真实调网关,烧 1 张图额度)。

用法(.env 在仓库根, 含 UNIFYLLM_API_KEY):
    .venv/Scripts/python.exe scripts/test_gpt_image_manual.py [--dry]

--dry: 只验证配置装配 / variant 选择 / prompt 块,不真调 API。
输出一律 ASCII(Windows 控制台 GBK)。
"""
import os
import sys
import tempfile
import uuid
from pathlib import Path

ROOT = Path(__file__).resolve().parent.parent
sys.path.insert(0, str(ROOT))
env_file = ROOT / ".env"
if env_file.exists():
    for line in env_file.read_text(encoding="utf-8").splitlines():
        line = line.strip()
        if line and not line.startswith("#") and "=" in line:
            k, v = line.split("=", 1)
            os.environ.setdefault(k.strip(), v.strip().strip('"').strip("'"))


def main() -> int:
    dry = "--dry" in sys.argv
    fails = 0

    from core.ark_client import ArkConfig
    from core.agent_builder import _choose_image_variant, _media_tools_block

    gw = ArkConfig.load(ROOT / "config" / "media" / "unifyllm.yaml")
    ark = ArkConfig.load()
    print(f"[info] ark_cfg={'set' if ark else 'None'} gw_cfg={'set' if gw else 'None'}")
    if gw is None:
        print("[FAIL] unifyllm.yaml 未装配(UNIFYLLM_API_KEY 缺失?)")
        return 1

    # variant 选择:显式 gpt_image / 显式 seedream_5 / 空 fallback
    cases = [
        ("gpt_image", "unifyllm", "gpt_image"),
        ("seedream_5", "doubao" if ark else "unifyllm", "seedream_5" if ark else "gpt_image"),
        ("", "doubao" if ark else "unifyllm", "seedream_5" if ark else "gpt_image"),
        ("nonsense", "doubao" if ark else "unifyllm", "seedream_5" if ark else "gpt_image"),
    ]
    for variant, want_prov, want_key in cases:
        prov, key, cfg, pcfg = _choose_image_variant(ark, gw, variant)
        ok = prov == want_prov and key == want_key and cfg is not None and pcfg is not None
        print(f"[{'OK' if ok else 'FAIL'}] choose({variant!r}) -> {prov}.{key}")
        fails += 0 if ok else 1

    # prompt 媒体段拼装
    blk = _media_tools_block(ark is not None, "gpt_image")
    ok = "`gpt_image`" in blk and "`seedream`" not in blk.split("\n")[0] and "reference_images" not in blk.split("- `gpt_image`")[1].split("- `")[0]
    print(f"[{'OK' if ok else 'FAIL'}] media block(gpt_image) mentions gpt_image, no i2i params")
    fails += 0 if ok else 1
    blk2 = _media_tools_block(ark is not None, "seedream")
    ok = ("- `seedream`" in blk2) and ("- `gpt_image`" not in blk2)
    print(f"[{'OK' if ok else 'FAIL'}] media block(seedream) unchanged shape")
    fails += 0 if ok else 1
    blk3 = _media_tools_block(False, "")
    ok = blk3 == ""
    print(f"[{'OK' if ok else 'FAIL'}] media block(none) empty")
    fails += 0 if ok else 1

    if dry:
        return 1 if fails else 0

    # 真实调用:临时 working_dir,不限额(daily_limit=0),无 DB(record 失败仅打印)
    from tools.gpt_image import GptImageTool

    prov, key, cfg, pcfg = _choose_image_variant(ark, gw, "gpt_image")
    with tempfile.TemporaryDirectory() as td:
        wd = Path(td) / "wd"
        wd.mkdir()
        tool = GptImageTool(
            gw_cfg=pcfg, image_variant_cfg=cfg, variant_key=key,
            working_dir=wd, task_id=uuid.uuid4(), user_id=uuid.uuid4(),
            base_dir=Path(td), user_root=Path(td), daily_limit=0,
        )
        result = tool.execute(prompt="A minimalist flat-design icon of a cement mixer truck, orange and grey")
        first = result.split("\n")[0]
        print(f"[info] result first line: {first}")
        pngs = list(wd.glob("figures/*.png"))
        metas = list(wd.glob("figures/*.meta.json"))
        ok = result.startswith("[gpt_image]") and len(pngs) == 1 and len(metas) == 1 and pngs[0].stat().st_size > 10000
        print(f"[{'OK' if ok else 'FAIL'}] png saved: {pngs[0].name if pngs else 'NONE'} "
              f"({pngs[0].stat().st_size if pngs else 0} bytes), meta: {len(metas)}")
        fails += 0 if ok else 1
        ok = "saved: " in result and "prompt=" in result
        print(f"[{'OK' if ok else 'FAIL'}] banner protocol lines present")
        fails += 0 if ok else 1

    print(f"[{'OK' if not fails else 'FAIL'}] total fails={fails}")
    return 1 if fails else 0


if __name__ == "__main__":
    sys.exit(main())