from __future__ import annotations

import hashlib
import json
import tempfile
import unittest
from pathlib import Path

from claridoc.models import PipelineConfig
from claridoc.pipeline import _mock_provider_warning, run_pipeline
from claridoc.templates import mock_pipeline_config
from tests.helpers import make_brief, make_sources


class PipelineTests(unittest.TestCase):
    def test_mixed_mock_pipeline_is_explicitly_flagged(self) -> None:
        config_data = mock_pipeline_config()
        config_data["writer"] = {"provider": "claude"}
        warning = _mock_provider_warning(PipelineConfig.from_dict(config_data))
        self.assertIn("mixes external providers", warning)
        self.assertIn("synthetic", warning)

    def test_end_to_end_mock_run_creates_auditable_artifacts(self) -> None:
        with tempfile.TemporaryDirectory() as temp:
            output = Path(temp) / "run"
            result = run_pipeline(
                make_brief(),
                make_sources(),
                PipelineConfig.from_dict(mock_pipeline_config()),
                output,
            )
            self.assertTrue(result.passed)
            self.assertTrue(result.final_path.is_file())
            self.assertTrue(result.report_path.is_file())
            self.assertTrue(result.manifest_path.is_file())
            self.assertTrue((output / "final" / "provenance.md").is_file())
            self.assertTrue((output / "final" / "evidence-map.json").is_file())
            run_data = json.loads((output / "run.json").read_text(encoding="utf-8"))
            self.assertTrue(run_data["passed"])
            self.assertTrue(any("deterministic mocks" in warning for warning in result.warnings))
            report_text = result.report_path.read_text(encoding="utf-8")
            self.assertIn("Provider topology", report_text)
            self.assertIn("synthetic", report_text)
            manifest = json.loads(result.manifest_path.read_text(encoding="utf-8"))
            paths = {item["path"] for item in manifest["files"]}
            self.assertIn("final/document.md", paths)
            self.assertIn("provider-events.jsonl", paths)
            self.assertIn("final/provenance.md", paths)
            self.assertIn("final/evidence-map.json", paths)
            self.assertNotIn("manifest.json", paths)
            for item in manifest["files"]:
                artifact = output / item["path"]
                self.assertEqual(artifact.stat().st_size, item["bytes"])
                self.assertEqual(hashlib.sha256(artifact.read_bytes()).hexdigest(), item["sha256"])

    def test_revision_limit_is_enforced_when_gate_cannot_pass(self) -> None:
        with tempfile.TemporaryDirectory() as temp:
            output = Path(temp) / "run"
            config_data = mock_pipeline_config()
            config_data["quality_gate"]["minimum_score"] = 99
            config_data["quality_gate"]["max_revisions"] = 1
            result = run_pipeline(
                make_brief(),
                make_sources(),
                PipelineConfig.from_dict(config_data),
                output,
            )
            self.assertFalse(result.passed)
            self.assertEqual(len(result.rounds), 2)
            self.assertTrue((output / "rounds" / "round-01" / "revision.raw.txt").is_file())

    def test_reviewer_role_cannot_escape_artifact_directory(self) -> None:
        with tempfile.TemporaryDirectory() as temp:
            root = Path(temp)
            output = root / "run"
            config_data = mock_pipeline_config()
            config_data["reviewers"] = [{"role": "../../logic reviewer", "provider": "mock"}]
            run_pipeline(
                make_brief(),
                make_sources(),
                PipelineConfig.from_dict(config_data),
                output,
            )
            review_files = list((output / "rounds" / "round-01").glob("review-*"))
            self.assertTrue(any(path.name.endswith("logic-reviewer.json") for path in review_files))
            self.assertEqual(list(root.glob("logic*")), [])


if __name__ == "__main__":
    unittest.main()