from datetime import datetime
from types import SimpleNamespace

from src.services.platform_operator_service import (
    _collect_run_incident_ids,
    _list_filter_context_limit,
    _outbound_timeline_title,
    _run_remediation_list_summary,
    _remediation_summary_matches_incident_id,
    _remediation_summary_matches_status,
    _remediation_timeline_summary,
    _timeline_sort_key,
)


def test_outbound_timeline_title_labels_runbook_review() -> None:
    title = _outbound_timeline_title(
        "telegram",
        "approval_request",
        "📄 <b>RUNBOOK REVIEW｜待審核</b>\nIncident：INC-1",
    )

    assert title == "TELEGRAM：Runbook 待人工審核"


def test_outbound_timeline_title_labels_governance_alert() -> None:
    title = _outbound_timeline_title(
        "telegram",
        "final",
        "⚠️ *AI 治理警報｜知識庫劣化*",
    )

    assert title == "TELEGRAM：AI 治理警報"


def test_outbound_timeline_title_labels_cicd_status() -> None:
    title = _outbound_timeline_title(
        "telegram",
        "final",
        "✅ <b>[AWOOOI CI/CD]</b> | code-review\n📦 Code Review 完成・LOW",
    )

    assert title == "TELEGRAM：CI/CD 狀態通知"


def test_outbound_timeline_title_labels_auto_repair_handoff() -> None:
    title = _outbound_timeline_title(
        "telegram",
        "error",
        "🤖❌ HANDOFF REQUIRED｜AI 自動修復失敗，已轉人工",
    )

    assert title == "TELEGRAM：AI 自動修復失敗，已轉人工"


def test_outbound_timeline_title_falls_back_to_human_label() -> None:
    title = _outbound_timeline_title("telegram", "interim", "正在調用 MCP 工具")

    assert title == "TELEGRAM：漸進式狀態回饋"


def test_collect_run_incident_ids_reads_source_refs_and_legacy_text() -> None:
    run = SimpleNamespace(
        trigger_ref="not-an-incident",
        error_detail=None,
    )
    inbound_events = [
        SimpleNamespace(
            source_envelope={
                "source_refs": {
                    "incident_ids": ["INC-20260514-F85F21", "INC-20260514-F85F21"],
                }
            },
            content_preview="Alertmanager inbound converged",
            content_redacted=None,
        )
    ]
    outbound_messages = [
        SimpleNamespace(
            content_preview="詳情：INC-20260513-79ED5E",
            send_error=None,
        )
    ]

    incident_ids = _collect_run_incident_ids(
        run=run,
        inbound_events=inbound_events,
        outbound_messages=outbound_messages,
    )

    assert incident_ids == ["INC-20260514-F85F21", "INC-20260513-79ED5E"]


def test_remediation_timeline_summary_surfaces_route_and_write_flags() -> None:
    summary = _remediation_timeline_summary({
        "incident_id": "INC-20260514-F85F21",
        "mode": "replay",
        "verification_result_preview": "degraded",
        "agent_id": "auto_repair_executor",
        "tool_name": "ssh_diagnose",
        "required_scope": "read",
        "writes_incident_state": False,
        "writes_auto_repair_result": False,
    })

    assert "incident=INC-20260514-F85F21" in summary
    assert "route=auto_repair_executor/ssh_diagnose/read" in summary
    assert "writes_incident=False" in summary
    assert "writes_auto_repair=False" in summary


def test_run_remediation_list_summary_marks_read_only_dry_run() -> None:
    run = SimpleNamespace(state="waiting_approval")

    summary = _run_remediation_list_summary(
        run=run,
        incident_ids=["INC-20260514-F85F21"],
        items=[
            {
                "created_at": "2026-05-14T23:04:00+00:00",
                "incident_id": "INC-20260514-F85F21",
                "mode": "replay",
                "verification_result_preview": "degraded",
                "agent_id": "auto_repair_executor",
                "tool_name": "ssh_diagnose",
                "required_scope": "read",
                "writes_incident_state": False,
                "writes_auto_repair_result": False,
            }
        ],
    )

    assert summary["status"] == "read_only_dry_run"
    assert summary["has_dry_run"] is True
    assert summary["is_read_only"] is True
    assert summary["human_gate_open"] is True
    assert summary["latest_route"] == "auto_repair_executor/ssh_diagnose/read"


def test_run_remediation_list_summary_flags_write_observed() -> None:
    run = SimpleNamespace(state="completed")

    summary = _run_remediation_list_summary(
        run=run,
        incident_ids=["INC-20260514-F85F21"],
        items=[
            {
                "created_at": "2026-05-14T23:05:00+00:00",
                "incident_id": "INC-20260514-F85F21",
                "agent_id": "auto_repair_executor",
                "tool_name": "state_update",
                "required_scope": "write",
                "writes_incident_state": True,
                "writes_auto_repair_result": False,
            }
        ],
    )

    assert summary["status"] == "write_observed"
    assert summary["is_read_only"] is False
    assert summary["writes_incident_state"] is True


def test_remediation_summary_matches_status_filter() -> None:
    assert _remediation_summary_matches_status(
        {"status": "read_only_dry_run"},
        "read_only_dry_run",
    )
    assert not _remediation_summary_matches_status(
        {"status": "write_observed"},
        "read_only_dry_run",
    )
    assert _remediation_summary_matches_status(None, "no_evidence")


def test_remediation_summary_matches_incident_id_filter() -> None:
    assert _remediation_summary_matches_incident_id(
        {"incident_ids": ["INC-20260514-F85F21"]},
        "INC-20260514-F85F21",
    )
    assert not _remediation_summary_matches_incident_id(
        {"incident_ids": ["INC-20260514-F85F21"]},
        "INC-20260513-79ED5E",
    )
    assert _remediation_summary_matches_incident_id(None, None)


def test_list_filter_context_limit_scales_with_candidate_rows() -> None:
    assert _list_filter_context_limit(2) == 500
    assert _list_filter_context_limit(4176) == 16704
    assert _list_filter_context_limit(10000) == 20000


def test_timeline_sort_key_normalizes_datetime_and_iso_string() -> None:
    fallback = datetime(2026, 5, 14, 10, 0, 0)
    keys = [
        _timeline_sort_key({"ts": datetime(2026, 5, 14, 10, 0, 1)}, fallback),
        _timeline_sort_key({"ts": "2026-05-14T10:00:02+00:00"}, fallback),
        _timeline_sort_key({"ts": None}, fallback),
    ]

    assert keys == [
        "2026-05-14T10:00:01",
        "2026-05-14T10:00:02+00:00",
        "2026-05-14T10:00:00",
    ]
    assert sorted(keys) == [
        "2026-05-14T10:00:00",
        "2026-05-14T10:00:01",
        "2026-05-14T10:00:02+00:00",
    ]