"""Claude 适配器薄接缝：只消费 FrameworkExecutionRequest，不跑生产。"""

from __future__ import annotations

from dataclasses import dataclass

from framework.primitives.execution import FrameworkExecutionRequest


class ClaudeAdapterError(RuntimeError):
    """Claude 适配器未作为生产默认开放。"""


@dataclass(frozen=True)
class ClaudeExecutionPolicy:
    provider: str
    model: str
    claude_bin: str = "claude"

    def __post_init__(self) -> None:
        if not self.provider.strip() or not self.model.strip():
            raise ValueError("provider 与 model 必须显式传入")


def build_claude_argv(request: FrameworkExecutionRequest, policy: ClaudeExecutionPolicy) -> list[str]:
    if not request.system_prompt or not request.user_content:
        raise ClaudeAdapterError("请求缺少 system_prompt 或 user_content")
    return [
        policy.claude_bin,
        "--print",
        "--model",
        policy.model,
        "--system-prompt",
        request.system_prompt,
        request.user_content,
    ]