from __future__ import annotations

import asyncio
from pathlib import Path

from server.agent_core.intent import parse_fast
from server.aps_domain.workflow import handle_intent
from server.contracts import IntentResult
from server.state.packs import load_pack, resolve_pack_reference
from server.state.store import WorldStore


PACK_PATH = Path(__file__).resolve().parents[2] / "server" / "data" / "packs" / "optimize-simulation-v1.json"


def test_chat_command_parses_data_pack_and_algorithm_slots():
    world = load_pack(str(PACK_PATH))

    result = parse_fast(
        "使用 Optimize synthetic debug V1 数据用 EDD 算法生成排产方案",
        world,
    )

    assert result is not None
    assert result.intent == "flex.schedule"
    assert result.params["dataPackRef"] == "Optimize synthetic debug V1"
    assert result.params["engine"] == "OPTIMIZE"
    assert result.params["sortMode"] == "EDD"


def test_pack_reference_resolves_registered_aliases():
    pack = resolve_pack_reference("Optimize 模拟数据")

    assert pack is not None
    assert pack["file"] == "optimize-simulation-v1.json"


def test_chat_command_parses_directory_file_and_algorithm_slots():
    result = parse_fast(
        r"使用 D:\aps-data 目录下的 orders.xlsx 数据用 EDD 算法生成排产方案",
        {},
    )

    assert result is not None
    assert result.intent == "flex.schedule"
    assert result.params["dataDir"] == r"D:\aps-data"
    assert result.params["dataFile"] == "orders.xlsx"
    assert result.params["dataPath"].endswith(r"aps-data\orders.xlsx")
    assert result.params["sortMode"] == "EDD"
    assert result.params["engine"] == "OPTIMIZE"


def test_chat_command_parses_directory_json_pack_and_algorithm_slots():
    result = parse_fast(
        r"使用 D:\aps-data 目录下的 optimize-simulation-v1.json 数据用 EDD 算法生成排产方案",
        {},
    )

    assert result is not None
    assert result.intent == "flex.schedule"
    assert result.params["dataDir"] == r"D:\aps-data"
    assert result.params["dataFile"] == "optimize-simulation-v1.json"
    assert result.params["dataPath"].endswith(r"aps-data\optimize-simulation-v1.json")
    assert result.params["sortMode"] == "EDD"
    assert result.params["engine"] == "OPTIMIZE"


def test_chat_command_loads_pack_and_materializes_optimize_result(tmp_path, monkeypatch):
    monkeypatch.setenv("APS_DB_DISABLED", "1")
    store = WorldStore(path=str(tmp_path / "world.json"))
    intent = parse_fast(
        "使用 Optimize synthetic debug V1 数据用 EDD 算法生成排产方案",
        store.data,
    )
    assert intent is not None

    reply = asyncio.run(handle_intent(store, "round88", intent, actor="test"))

    assert "Optimize" in reply.text
    assert "Optimize synthetic debug V1" in reply.text
    block = next(block for block in reply.blocks if block.type == "flex-schedule")
    assert block.props["dataPack"]["file"] == "optimize-simulation-v1.json"
    assert block.props["algorithm"]["rule"] == "EDD"
    assert block.props["stats"]["vlCount"] == 10
    assert block.props["stats"]["woCount"] == 72
    assert store.data["flexScheduleVersions"][-1]["engineType"] == "OPTIMIZE"
    assert store.data["flexScheduleVersions"][-1]["algorithmId"] == "optimize.edd"


def test_explicit_json_pack_path_materializes_optimize_result(tmp_path, monkeypatch):
    monkeypatch.setenv("APS_DB_DISABLED", "1")
    store = WorldStore(path=str(tmp_path / "world.json"))
    intent = IntentResult(
        intent="flex.schedule",
        params={
            "dataDir": str(PACK_PATH.parent),
            "dataFile": PACK_PATH.name,
            "dataPath": str(PACK_PATH),
            "engine": "OPTIMIZE",
            "sortMode": "EDD",
        },
        confidence=0.95,
        source="RULE_FAST",
    )

    reply = asyncio.run(handle_intent(store, "round88-json", intent, actor="test"))

    block = next(block for block in reply.blocks if block.type == "flex-schedule")
    assert block.props["dataPack"]["file"] == PACK_PATH.name
    assert block.props["dataSource"]["file"] == PACK_PATH.name
    assert block.props["dataSource"]["paths"] == [str(PACK_PATH.resolve())]
    assert block.props["algorithm"]["rule"] == "EDD"
    assert block.props["stats"]["vlCount"] == 10
    assert block.props["stats"]["woCount"] == 72


def test_empty_explicit_directory_does_not_reuse_current_world(tmp_path, monkeypatch):
    monkeypatch.setenv("APS_DB_DISABLED", "1")
    store = WorldStore(path=str(tmp_path / "world.json"))
    store.data = load_pack(str(PACK_PATH))
    store._reset_counters()
    before_versions = len(store.data.get("flexScheduleVersions") or [])
    empty_dir = tmp_path / "empty-data"
    empty_dir.mkdir()
    intent = IntentResult(
        intent="flex.schedule",
        params={"dataDir": str(empty_dir), "engine": "OPTIMIZE", "sortMode": "EDD"},
        confidence=0.95,
        source="RULE_FAST",
    )

    reply = asyncio.run(handle_intent(store, "round88-empty", intent, actor="test"))

    assert "没有找到可读取的排产数据文件" in reply.text
    assert len(store.data.get("flexScheduleVersions") or []) == before_versions


def test_unknown_pack_fails_closed_without_creating_schedule(tmp_path, monkeypatch):
    monkeypatch.setenv("APS_DB_DISABLED", "1")
    store = WorldStore(path=str(tmp_path / "world.json"))
    intent = parse_fast("使用不存在的数据，用 EDD 算法生成排产方案", store.data)
    assert intent is not None

    reply = asyncio.run(handle_intent(store, "round88", intent, actor="test"))

    assert "找不到数据包" in reply.text
    assert not store.data.get("flexScheduleVersions")


def test_unreadable_directory_fails_closed_without_scheduling(tmp_path, monkeypatch):
    monkeypatch.setenv("APS_DB_DISABLED", "1")
    store = WorldStore(path=str(tmp_path / "world.json"))
    intent = parse_fast(
        r"使用 D:\missing-aps-data 目录下的 orders.xlsx 数据用 EDD 算法生成排产方案",
        store.data,
    )
    assert intent is not None

    reply = asyncio.run(handle_intent(store, "round88", intent, actor="test"))

    assert "数据文件不存在" in reply.text or "数据目录不存在" in reply.text
    assert not store.data.get("flexScheduleVersions")