import pytest
import os
import tempfile

from agent.task_history import TaskHistory


@pytest.fixture
async def history():
    fd, db_path = tempfile.mkstemp(suffix=".db")
    os.close(fd)
    h = TaskHistory(db_path=db_path)
    await h.initialize()
    yield h
    await h.close()
    os.unlink(db_path)


@pytest.mark.asyncio
async def test_record_completed(history):
    await history.record(
        task_id="task-1", thread_id="thread-1", issue_number=42,
        repo_name="galaxis-po", source="gitea", status="completed",
        created_at="2026-03-20T10:00:00Z", completed_at="2026-03-20T10:05:00Z",
        duration_seconds=300.0, tokens_input=5000, tokens_output=2000, cost_usd=0.045,
    )
    records = await history.get_recent(limit=10)
    assert len(records) == 1
    assert records[0]["task_id"] == "task-1"
    assert records[0]["status"] == "completed"


@pytest.mark.asyncio
async def test_record_failed(history):
    await history.record(
        task_id="task-2", thread_id="thread-2", issue_number=10,
        repo_name="galaxis-po", source="discord", status="failed",
        created_at="2026-03-20T11:00:00Z", completed_at="2026-03-20T11:01:00Z",
        duration_seconds=60.0, tokens_input=1000, tokens_output=500, cost_usd=0.01,
        error_message="Agent crashed",
    )
    records = await history.get_recent(limit=10)
    assert len(records) == 1
    assert records[0]["error_message"] == "Agent crashed"


@pytest.mark.asyncio
async def test_get_recent_ordered(history):
    await history.record(
        task_id="task-1", thread_id="t1", issue_number=1, repo_name="r",
        source="gitea", status="completed", created_at="2026-03-20T10:00:00Z",
        completed_at="2026-03-20T10:05:00Z", duration_seconds=300,
        tokens_input=100, tokens_output=50, cost_usd=0.001,
    )
    await history.record(
        task_id="task-2", thread_id="t2", issue_number=2, repo_name="r",
        source="gitea", status="completed", created_at="2026-03-20T11:00:00Z",
        completed_at="2026-03-20T11:05:00Z", duration_seconds=300,
        tokens_input=200, tokens_output=100, cost_usd=0.002,
    )
    records = await history.get_recent(limit=10)
    assert len(records) == 2
    assert records[0]["task_id"] == "task-2"


@pytest.mark.asyncio
async def test_empty_history(history):
    records = await history.get_recent(limit=10)
    assert records == []