"""Agent 可调用的专业软件任务工具。"""
from __future__ import annotations

import json
from uuid import UUID, uuid4

from core.software_contracts import (
    CONTRACTS,
    SUPPORTED_CAPABILITIES,
    get_contract,
    node_available_slots,
)
from core.software_jobs import (
    SoftwareJobError,
    create_job,
    get_job,
    list_jobs,
    request_job_cancel,
)
from core.software_nodes import list_nodes

from .base import Tool


def _contract_property_schema(name: str) -> dict:
    schemas = [
        item.submission_schema()["properties"][name]
        for item in CONTRACTS.values()
    ]
    unique = {json.dumps(item, ensure_ascii=False, sort_keys=True): item for item in schemas}
    values = list(unique.values())
    return values[0] if len(values) == 1 else {"anyOf": values}


class _SoftwareJobTool(Tool):
    def __init__(self, user_id: UUID, task_id: UUID, **kwargs) -> None:
        super().__init__(**kwargs)
        self.user_id = user_id
        self.task_id = task_id


class SoftwareCapabilityListTool(_SoftwareJobTool):
    name = "software_capability_list"
    description = "List professional software capabilities available through managed Windows nodes."
    parameters = {"type": "object", "properties": {}, "additionalProperties": False}

    def execute(self) -> str:
        nodes = list_nodes()
        items = [{
            "capability": item,
            "display_name": get_contract(item).display_name,
            "available_nodes": sum(
                1
                for node in nodes
                if node["status"] == "online"
                and item in (node.get("capabilities") or [])
                and node_available_slots(item, node.get("runtime") or {}) > 0
            ),
        } for item in sorted(SUPPORTED_CAPABILITIES)]
        return json.dumps({"capabilities": items}, ensure_ascii=False)


class SoftwareJobSubmitTool(_SoftwareJobTool):
    name = "software_job_submit"
    description = (
        "Submit a managed professional-software job using registered artifacts and a "
        "capability contract. Call register_artifact first for workspace files. Return "
        "immediately with job_id; do not poll continuously or wait for completion."
    )
    parameters = {
        "type": "object",
        "properties": {
            "capability": {"type": "string", "enum": sorted(SUPPORTED_CAPABILITIES)},
            "inputs": _contract_property_schema("inputs"),
            "operation": _contract_property_schema("operation"),
            "outputs": _contract_property_schema("outputs"),
            "idempotency_key": {
                "type": "string",
                "description": "Stable unique key for this exact submission; omit to generate one.",
            },
        },
        "required": ["capability", "inputs", "operation", "outputs"],
        "additionalProperties": False,
    }

    def execute(
        self,
        capability: str,
        inputs: list[dict] | None = None,
        operation: dict | None = None,
        outputs: list[dict] | None = None,
        idempotency_key: str = "",
    ) -> str:
        try:
            if not inputs or operation is None or not outputs:
                return "[Error] inputs, operation, and outputs are required for a software job"
            canonical_inputs = []
            for item in inputs:
                if not isinstance(item, dict):
                    return "[Error] each input must be an object"
                try:
                    artifact_id = str(UUID(str(item.get("artifact_id") or "")))
                except ValueError:
                    return "[Error] every artifact_id must be a UUID; call register_artifact first"
                canonical = {**item, "artifact_id": artifact_id}
                canonical_inputs.append(canonical)
            normalized_request = {
                "schema_version": get_contract(capability).request_schema[
                    "properties"
                ]["schema_version"]["const"],
                "inputs": canonical_inputs,
                "operation": operation,
                "outputs": outputs,
            }
            job, created = create_job(
                self.user_id,
                self.task_id,
                idempotency_key=idempotency_key.strip() or str(uuid4()),
                capability=capability,
                request=normalized_request,
            )
            return json.dumps({**job, "created": created}, ensure_ascii=False)
        except (SoftwareJobError, ValueError) as exc:
            return f"[Error] {exc}"


class SoftwareJobStatusTool(_SoftwareJobTool):
    name = "software_job_status"
    description = (
        "Check one software job, or list recent jobs in the current task when job_id is omitted. "
        "A succeeded job returns output_dir as the authoritative starting directory; "
        "inspect or search within that directory to analyze its files."
    )
    parameters = {
        "type": "object",
        "properties": {"job_id": {"type": "string"}},
        "additionalProperties": False,
    }

    def execute(self, job_id: str = "") -> str:
        try:
            if job_id.strip():
                item = get_job(self.user_id, UUID(job_id.strip()))
                if item is None or item["task_id"] != str(self.task_id):
                    return "[Error] software job not found"
                return json.dumps(item, ensure_ascii=False)
            return json.dumps(
                {"results": list_jobs(self.user_id, task_id=self.task_id, limit=20)},
                ensure_ascii=False,
            )
        except ValueError:
            return "[Error] invalid job_id"


class SoftwareJobCancelTool(_SoftwareJobTool):
    name = "software_job_cancel"
    description = "Request cancellation of a software job in the current task after the user asks to stop it."
    parameters = {
        "type": "object",
        "properties": {"job_id": {"type": "string"}},
        "required": ["job_id"],
        "additionalProperties": False,
    }

    def execute(self, job_id: str) -> str:
        try:
            item = get_job(self.user_id, UUID(job_id.strip()))
            if item is None or item["task_id"] != str(self.task_id):
                return "[Error] software job not found"
            job, _ = request_job_cancel(self.user_id, UUID(job_id.strip()))
            return json.dumps(job, ensure_ascii=False)
        except (ValueError, SoftwareJobError) as exc:
            return f"[Error] {exc}"