Adds inspect --shift option

src/ffx/cli.py

@@ -461,13 +461,47 @@ def upgrade(ctx, branch):
 
 @ffx.command()
 @click.pass_context
-@click.argument('filename', nargs=1)
-def inspect(ctx, filename):
+@click.option('--shift', is_flag=True, default=False, help='Print resolved season-shift mapping for each file instead of opening the TUI')
+@click.argument('filenames', nargs=-1)
+def inspect(ctx, shift, filenames):
+    if not filenames:
+        raise click.ClickException("At least one filename is required.")
+
+    if shift:
+        from ffx.file_properties import FileProperties
+        from ffx.shifted_season_controller import ShiftedSeasonController
+
+        shiftedSeasonController = ShiftedSeasonController(ctx.obj)
+
+        for filename in filenames:
+            fileProperties = FileProperties(ctx.obj, filename)
+            season = fileProperties.getSeason()
+            episode = fileProperties.getEpisode()
+
+            if season == -1 or episode == -1:
+                click.echo(f"{filename}: no season/episode recognized")
+                continue
+
+            currentPattern = fileProperties.getPattern()
+            shiftedSeason, shiftedEpisode, sourceLabel = shiftedSeasonController.resolveShiftSeason(
+                fileProperties.getShowId(),
+                season=season,
+                episode=episode,
+                patternId=currentPattern.getId() if currentPattern is not None else None,
+            )
+            click.echo(
+                f"{filename}: {season}/{episode} -> {shiftedSeason}/{shiftedEpisode} from {sourceLabel}"
+            )
+        return
+
+    if len(filenames) != 1:
+        raise click.ClickException("Inspect without --shift requires exactly one filename.")
+
     from ffx.ffx_app import FfxApp
 
     ctx.obj['command'] = 'inspect'
     ctx.obj['arguments'] = {}
-    ctx.obj['arguments']['filename'] = filename
+    ctx.obj['arguments']['filename'] = filenames[0]
 
     app = FfxApp(ctx.obj)
     app.run()

src/ffx/shifted_season_controller.py

@@ -383,10 +383,27 @@ class ShiftedSeasonController:
                 session.close()
 
     def shiftSeason(self, showId, season, episode, patternId=None):
-
         if season == -1 or episode == -1:
             return season, episode
 
+        shiftedSeason, shiftedEpisode, sourceLabel = self.resolveShiftSeason(
+            showId,
+            season,
+            episode,
+            patternId=patternId,
+        )
+
+        if shiftedSeason != season or shiftedEpisode != episode:
+            self.context['logger'].info(
+                f"Setting season shift {season}/{episode} -> {shiftedSeason}/{shiftedEpisode} from {sourceLabel}"
+            )
+
+        return shiftedSeason, shiftedEpisode
+
+    def resolveShiftSeason(self, showId, season, episode, patternId=None):
+        if season == -1 or episode == -1:
+            return season, episode, "unrecognized"
+
         session = None
         try:
             session = self.Session()
@@ -420,12 +437,7 @@ class ShiftedSeasonController:
                     if activeShift.getPatternId() is not None
                     else "show"
                 )
-
-            self.context['logger'].info(
-                f"Setting season shift {season}/{episode} -> {shiftedSeason}/{shiftedEpisode} from {sourceLabel}"
-            )
-
-            return shiftedSeason, shiftedEpisode
+            return shiftedSeason, shiftedEpisode, sourceLabel
 
         except ShiftedSeasonOwnerException as ex:
             raise click.ClickException(str(ex))

tests/unit/test_cli_inspect_shift.py

@@ -0,0 +1,135 @@
+from __future__ import annotations
+
+import os
+from pathlib import Path
+import sys
+import tempfile
+import unittest
+from unittest.mock import patch
+
+from click.testing import CliRunner
+
+
+SRC_ROOT = Path(__file__).resolve().parents[2] / "src"
+
+if str(SRC_ROOT) not in sys.path:
+    sys.path.insert(0, str(SRC_ROOT))
+
+
+from ffx import cli  # noqa: E402
+
+
+class _FakePattern:
+    def __init__(self, pattern_id: int):
+        self._pattern_id = pattern_id
+
+    def getId(self):
+        return self._pattern_id
+
+
+class _FakeFileProperties:
+    def __init__(self, context, source_path):
+        self.source_path = source_path
+
+    def getShowId(self):
+        return 42 if self.source_path.endswith("mapped.mkv") else -1
+
+    def getSeason(self):
+        if self.source_path.endswith("unknown.mkv"):
+            return -1
+        return 1
+
+    def getEpisode(self):
+        if self.source_path.endswith("unknown.mkv"):
+            return -1
+        return 3
+
+    def getPattern(self):
+        if self.source_path.endswith("mapped.mkv"):
+            return _FakePattern(7)
+        return None
+
+
+class _FakeShiftedSeasonController:
+    def __init__(self, context):
+        self.context = context
+
+    def resolveShiftSeason(self, show_id, season, episode, patternId=None):
+        if patternId is not None:
+            return 2, 1, "pattern"
+        return season, episode, "default"
+
+
+class InspectShiftCliTests(unittest.TestCase):
+    def setUp(self):
+        self.tempdir = tempfile.TemporaryDirectory()
+        self.home_dir = Path(self.tempdir.name) / "home"
+        self.home_dir.mkdir()
+        self.database_path = Path(self.tempdir.name) / "test.db"
+        self.source_dir = Path(self.tempdir.name) / "source"
+        self.source_dir.mkdir()
+        self.mapped_path = self.source_dir / "mapped.mkv"
+        self.mapped_path.write_bytes(b"mapped")
+        self.unknown_path = self.source_dir / "unknown.mkv"
+        self.unknown_path.write_bytes(b"unknown")
+
+    def tearDown(self):
+        self.tempdir.cleanup()
+
+    def test_inspect_shift_prints_resolved_mapping_for_each_file(self):
+        runner = CliRunner()
+
+        with (
+            patch("ffx.file_properties.FileProperties", _FakeFileProperties),
+            patch(
+                "ffx.shifted_season_controller.ShiftedSeasonController",
+                _FakeShiftedSeasonController,
+            ),
+        ):
+            result = runner.invoke(
+                cli.ffx,
+                [
+                    "--database-file",
+                    str(self.database_path),
+                    "inspect",
+                    "--shift",
+                    str(self.mapped_path),
+                    str(self.unknown_path),
+                ],
+                env={**os.environ, "HOME": str(self.home_dir)},
+            )
+
+        self.assertEqual(0, result.exit_code, result.output)
+        self.assertIn(
+            f"{self.mapped_path}: 1/3 -> 2/1 from pattern",
+            result.output,
+        )
+        self.assertIn(
+            f"{self.unknown_path}: no season/episode recognized",
+            result.output,
+        )
+
+    def test_inspect_without_shift_requires_exactly_one_filename(self):
+        runner = CliRunner()
+
+        result = runner.invoke(
+            cli.ffx,
+            [
+                "--database-file",
+                str(self.database_path),
+                "inspect",
+                str(self.mapped_path),
+                str(self.unknown_path),
+            ],
+            env={**os.environ, "HOME": str(self.home_dir)},
+        )
+
+        self.assertNotEqual(0, result.exit_code)
+        self.assertIn(
+            "Inspect without --shift requires exactly one filename.",
+            result.output,
+        )
+
+
+if __name__ == "__main__":
+    unittest.main()

tests/unit/test_shifted_season_controller.py

@@ -183,9 +183,7 @@ class ShiftedSeasonControllerTests(unittest.TestCase):
             )
 
         self.assertEqual((1, 3), (shifted_season, shifted_episode))
-        mocked_info.assert_called_once_with(
-            "Setting season shift 1/3 -> 1/3 from pattern"
-        )
+        mocked_info.assert_not_called()
 
     def test_shift_season_falls_back_to_identity_when_no_rule_matches(self):
         pattern_id = self.add_pattern(1, r"^demo_(s[0-9]+e[0-9]+)\.mkv$")
@@ -199,9 +197,7 @@ class ShiftedSeasonControllerTests(unittest.TestCase):
             )
 
         self.assertEqual((4, 20), (shifted_season, shifted_episode))
-        mocked_info.assert_called_once_with(
-            "Setting season shift 4/20 -> 4/20 from default"
-        )
+        mocked_info.assert_not_called()
 
 
 if __name__ == "__main__":