"""Tests for the marchwarden CLI."""

from unittest.mock import patch

from click.testing import CliRunner

from cli.main import cli, render_result, render_trace
from researchers.web.models import (
    Citation,
    ConfidenceFactors,
    CostMetadata,
    DiscoveryEvent,
    Gap,
    GapCategory,
    OpenQuestion,
    ResearchResult,
)
from rich.console import Console


def _fixture_result() -> ResearchResult:
    return ResearchResult(
        answer="Tomatoes, peppers, squash, and beans grow well in Utah.",
        citations=[
            Citation(
                source="web",
                locator="https://extension.usu.edu/yard-and-garden",
                title="USU Extension — Yard and Garden",
                snippet="USU recommends warm-season crops for Utah's climate.",
                raw_excerpt="Tomatoes, peppers, and squash thrive in Utah summers.",
                confidence=0.9,
            ),
        ],
        gaps=[
            Gap(
                topic="Microclimate variation",
                category=GapCategory.SCOPE_EXCEEDED,
                detail="Did not investigate elevation-specific recommendations.",
            ),
        ],
        discovery_events=[
            DiscoveryEvent(
                type="related_research",
                suggested_researcher="docs",
                query="Utah USDA hardiness zones",
                reason="Zone-specific guidance would improve answer.",
            ),
        ],
        open_questions=[
            OpenQuestion(
                question="What are the best cool-season crops?",
                context="Answer focused on warm-season crops.",
                priority="medium",
            ),
        ],
        confidence=0.82,
        confidence_factors=ConfidenceFactors(
            num_corroborating_sources=3,
            source_authority="high",
            contradiction_detected=False,
            query_specificity_match=0.85,
            budget_exhausted=False,
            recency="current",
        ),
        cost_metadata=CostMetadata(
            tokens_used=4321,
            iterations_run=3,
            wall_time_sec=12.5,
            budget_exhausted=False,
            model_id="claude-sonnet-4-6",
        ),
        trace_id="trace-abc-123",
    )


class TestRenderResult:
    def test_renders_all_sections(self):
        console = Console(record=True, width=120)
        render_result(_fixture_result(), console)
        out = console.export_text()
        assert "Tomatoes" in out
        assert "USU Extension" in out
        assert "scope_exceeded" in out
        assert "related_research" in out
        assert "cool-season" in out
        assert "Confidence" in out
        assert "claude-sonnet-4-6" in out
        assert "trace-abc-123" in out


class TestAskCommand:
    def test_ask_invokes_mcp_and_renders(self):
        runner = CliRunner()
        fixture = _fixture_result()

        async def fake_call(question, depth, max_iterations, token_budget):
            assert question == "What grows in Utah?"
            assert depth == "shallow"
            assert max_iterations == 2
            assert token_budget == 5000
            return fixture

        with patch("cli.main.call_research_tool", side_effect=fake_call):
            result = runner.invoke(
                cli,
                [
                    "ask",
                    "What grows in Utah?",
                    "--depth",
                    "shallow",
                    "--max-iterations",
                    "2",
                    "--budget",
                    "5000",
                ],
            )

        assert result.exit_code == 0, result.output
        assert "Tomatoes" in result.output
        assert "trace-abc-123" in result.output

    def test_ask_handles_error(self):
        runner = CliRunner()

        async def boom(**kwargs):
            raise RuntimeError("mcp went sideways")

        with patch("cli.main.call_research_tool", side_effect=boom):
            result = runner.invoke(cli, ["ask", "anything"])

        assert result.exit_code == 1
        assert "mcp went sideways" in result.output


class TestReplayCommand:
    def _write_trace(self, tmp_path, trace_id="trace-xyz"):
        path = tmp_path / f"{trace_id}.jsonl"
        path.write_text(
            '{"step": 1, "action": "search", "decision": "initial query", '
            '"timestamp": "2026-04-08T00:00:00Z", "query": "utah crops"}\n'
            '{"step": 2, "action": "fetch_url", "decision": "promising source", '
            '"timestamp": "2026-04-08T00:00:01Z", "url": "https://example.com", '
            '"content_hash": "sha256:deadbeef"}\n'
            '{"step": 3, "action": "synthesize", "decision": "have enough", '
            '"timestamp": "2026-04-08T00:00:02Z"}\n'
        )
        return path

    def test_replay_renders_trace(self, tmp_path):
        runner = CliRunner()
        self._write_trace(tmp_path)
        result = runner.invoke(
            cli,
            ["replay", "trace-xyz", "--trace-dir", str(tmp_path)],
        )
        assert result.exit_code == 0, result.output
        assert "trace-xyz" in result.output
        assert "search" in result.output
        assert "fetch_url" in result.output
        assert "synthesize" in result.output
        assert "sha256:deadbeef" in result.output
        assert "utah crops" in result.output

    def test_replay_unknown_trace_id(self, tmp_path):
        runner = CliRunner()
        result = runner.invoke(
            cli,
            ["replay", "missing-id", "--trace-dir", str(tmp_path)],
        )
        assert result.exit_code == 1
        assert "no trace file found" in result.output

    def test_replay_invalid_json(self, tmp_path):
        runner = CliRunner()
        (tmp_path / "broken.jsonl").write_text("{not json}\n")
        result = runner.invoke(
            cli,
            ["replay", "broken", "--trace-dir", str(tmp_path)],
        )
        assert result.exit_code == 1
        assert "invalid JSON" in result.output

    def test_render_trace_empty(self):
        console = Console(record=True, width=120)
        render_trace([], "empty-trace", console)
        out = console.export_text()
        assert "empty-trace" in out
        assert "empty" in out.lower()