from __future__ import annotations

import json

from online_mining_common import (
    emit_error,
    emit_success,
    load_json_payload,
    resolve_portable_path,
)


def load_cases(payload: dict) -> list[dict]:
    if isinstance(payload.get("cases"), list):
        return [item for item in payload["cases"] if isinstance(item, dict)]
    cases_path = payload.get("cases_path")
    if not cases_path:
        raise ValueError("cases or cases_path is required")
    rows = []
    text = resolve_portable_path(str(cases_path)).read_text(encoding="utf-8")
    for line in text.splitlines():
        if not line.strip():
            continue
        item = json.loads(line)
        if isinstance(item, dict):
            rows.append(item)
    return rows


def case_value(case: dict, key: str):
    if key in case:
        return case.get(key)
    main = case.get("main") if isinstance(case.get("main"), dict) else {}
    pre = case.get("pre_processing") if isinstance(case.get("pre_processing"), dict) else {}
    return case.get(key) or pre.get(key) or main.get(key)


def main() -> int:
    try:
        payload = load_json_payload()
        dataset_label = str(payload.get("dataset_label") or "").strip()
        target = str(payload.get("target") or "").strip()
        if not dataset_label:
            raise ValueError("dataset_label is required")
        if not target:
            raise ValueError("target is required")
        complex_value = bool(payload.get("complex", False))
        cases = load_cases(payload)
        if not cases:
            raise ValueError("cases must not be empty")

        lines = [f"# dataset_label: {dataset_label}", ""]
        for index, case in enumerate(cases, start=1):
            query = str(case_value(case, "query") or "").strip()
            if not query:
                continue
            request_id = str(case_value(case, "request_id") or "").strip()
            timestamp = case_value(case, "timestamp")
            tts = str(case_value(case, "tts") or "").strip()
            planning_result = str(case_value(case, "planning_result") or "").strip()
            notes = []
            if planning_result:
                notes.append(f"线上模型输出: {planning_result}")
            main_domain = case_value(case, "domain") or case.get("main_domain")
            if main_domain:
                notes.append(f"线上 domain: {main_domain}")
            lines.append(f"### case: online_{index:04d}")
            lines.append(f"用户: {query}")
            lines.append(f"complex: {'true' if complex_value else 'false'}")
            lines.append(f"target: {target}")
            if request_id:
                lines.append(f"request_id: {request_id}")
            if timestamp:
                lines.append(f"timestamp: {timestamp}")
            if tts:
                lines.append(f"notes: tts={tts}" + (f"；{'；'.join(notes)}" if notes else ""))
            elif notes:
                lines.append(f"notes: {'；'.join(notes)}")
            lines.append("")

        draft_text = "\n".join(lines).strip() + "\n"
        output_path = None
        if payload.get("output_path"):
            output = resolve_portable_path(str(payload["output_path"]))
            output.parent.mkdir(parents=True, exist_ok=True)
            output.write_text(draft_text, encoding="utf-8")
            output_path = str(output)
        emit_success({"case_count": draft_text.count("### case:"), "draft_text": draft_text, "output_path": output_path})
        return 0
    except Exception as exc:  # noqa: BLE001
        emit_error(exc)
        return 1


if __name__ == "__main__":
    raise SystemExit(main())