"""ORCH-042: Settings.tracker_mode config field.

AC-1: tracker_mode defaults to "edit" and is read from env ORCH_TRACKER_MODE.
Settings is a Pydantic BaseSettings reading env at instantiation, so each case
builds a FRESH Settings() (the process-wide singleton is not mutated).
"""

from src.config import Settings


def test_tracker_mode_defaults_to_bump(monkeypatch):
    # ORCH-067 (TC-01 / AC-1): the default flipped edit -> bump. With no env var
    # the card now re-creates at the bottom of the chat out of the box; edit
    # stays available via ORCH_TRACKER_MODE=edit (see test below).
    monkeypatch.delenv("ORCH_TRACKER_MODE", raising=False)
    assert Settings().tracker_mode == "bump"


def test_tracker_mode_reads_env_edit(monkeypatch):
    # ORCH-067 (AC-4): edit mode is still available through the env var.
    monkeypatch.setenv("ORCH_TRACKER_MODE", "edit")
    assert Settings().tracker_mode == "edit"


def test_tracker_mode_reads_env_bump(monkeypatch):
    # ORCH_TRACKER_MODE=bump -> "bump" (TC-01 / AC-1).
    monkeypatch.setenv("ORCH_TRACKER_MODE", "bump")
    assert Settings().tracker_mode == "bump"


def test_tracker_mode_reads_env_arbitrary(monkeypatch):
    # The field is read verbatim from env; mode RESOLUTION (anything != "bump"
    # -> edit) happens in notifications, not here (AC-1/AC-2 split).
    monkeypatch.setenv("ORCH_TRACKER_MODE", "garbage")
    assert Settings().tracker_mode == "garbage"


# ---------------------------------------------------------------------------
# ORCH-043 / TC-25: merge-gate settings defaults + env override.
# ---------------------------------------------------------------------------
_MERGE_ENV = (
    "ORCH_MERGE_GATE_ENABLED",
    "ORCH_MERGE_GATE_REPOS",
    "ORCH_MERGE_RETEST_TIMEOUT_S",
    "ORCH_MERGE_RETEST_TARGET",
    "ORCH_MERGE_LOCK_TIMEOUT_S",
    "ORCH_MERGE_DEFER_DELAY_S",
    "ORCH_MERGE_DEFER_MAX_ATTEMPTS",
)


def test_merge_gate_settings_defaults(monkeypatch):
    """TC-25 / AC-10: documented defaults when no env is set."""
    for name in _MERGE_ENV:
        monkeypatch.delenv(name, raising=False)
    s = Settings()
    assert s.merge_gate_enabled is True
    assert s.merge_gate_repos == ""
    assert s.merge_retest_timeout_s == 600
    assert s.merge_retest_target == "tests/"
    assert s.merge_lock_timeout_s == 300
    assert s.merge_defer_delay_s == 60
    assert s.merge_defer_max_attempts == 5


def test_merge_gate_settings_env_override(monkeypatch):
    """TC-25 / AC-10: each field is read from its ORCH_* env var."""
    monkeypatch.setenv("ORCH_MERGE_GATE_ENABLED", "false")
    monkeypatch.setenv("ORCH_MERGE_GATE_REPOS", "orchestrator,enduro-trails")
    monkeypatch.setenv("ORCH_MERGE_RETEST_TIMEOUT_S", "120")
    monkeypatch.setenv("ORCH_MERGE_RETEST_TARGET", "tests/unit")
    monkeypatch.setenv("ORCH_MERGE_LOCK_TIMEOUT_S", "90")
    monkeypatch.setenv("ORCH_MERGE_DEFER_DELAY_S", "5")
    monkeypatch.setenv("ORCH_MERGE_DEFER_MAX_ATTEMPTS", "9")
    s = Settings()
    assert s.merge_gate_enabled is False
    assert s.merge_gate_repos == "orchestrator,enduro-trails"
    assert s.merge_retest_timeout_s == 120
    assert s.merge_retest_target == "tests/unit"
    assert s.merge_lock_timeout_s == 90
    assert s.merge_defer_delay_s == 5
    assert s.merge_defer_max_attempts == 9


# ---------------------------------------------------------------------------
# ORCH-053 / TC-22: reconcile_* settings defaults + env override.
# ---------------------------------------------------------------------------
_RECONCILE_ENV = (
    "ORCH_RECONCILE_ENABLED",
    "ORCH_RECONCILE_INTERVAL_S",
    "ORCH_RECONCILE_PLANE_ENABLED",
    "ORCH_RECONCILE_GRACE_DEFAULT_S",
    "ORCH_RECONCILE_GRACE_OVERRIDES_JSON",
    "ORCH_RECONCILE_NOTIFY_UNBLOCK",
)


def test_reconcile_settings_defaults(monkeypatch):
    """TC-22 / AC-13: documented defaults when no env is set."""
    for name in _RECONCILE_ENV:
        monkeypatch.delenv(name, raising=False)
    s = Settings()
    assert s.reconcile_enabled is True
    assert s.reconcile_interval_s == 120
    assert s.reconcile_plane_enabled is True
    assert s.reconcile_grace_default_s == 600
    assert s.reconcile_grace_overrides_json == ""
    assert s.reconcile_notify_unblock is True


def test_reconcile_settings_env_override(monkeypatch):
    """TC-22 / AC-13: each field is read from its ORCH_* env var."""
    monkeypatch.setenv("ORCH_RECONCILE_ENABLED", "false")
    monkeypatch.setenv("ORCH_RECONCILE_INTERVAL_S", "300")
    monkeypatch.setenv("ORCH_RECONCILE_PLANE_ENABLED", "false")
    monkeypatch.setenv("ORCH_RECONCILE_GRACE_DEFAULT_S", "900")
    monkeypatch.setenv("ORCH_RECONCILE_GRACE_OVERRIDES_JSON", '{"development": 300}')
    monkeypatch.setenv("ORCH_RECONCILE_NOTIFY_UNBLOCK", "false")
    s = Settings()
    assert s.reconcile_enabled is False
    assert s.reconcile_interval_s == 300
    assert s.reconcile_plane_enabled is False
    assert s.reconcile_grace_default_s == 900
    assert s.reconcile_grace_overrides_json == '{"development": 300}'
    assert s.reconcile_notify_unblock is False


# ---------------------------------------------------------------------------
# ORCH-058 / TC-13: image-freshness settings defaults + env override.
# ---------------------------------------------------------------------------
_FRESH_ENV = (
    "ORCH_IMAGE_FRESHNESS_ENABLED",
    "ORCH_IMAGE_FRESHNESS_REPOS",
)


def test_image_freshness_settings_defaults(monkeypatch):
    """TC-13 / AC-9: kill-switch ON by default, empty CSV (self-hosting only)."""
    for name in _FRESH_ENV:
        monkeypatch.delenv(name, raising=False)
    s = Settings()
    assert s.image_freshness_enabled is True
    assert s.image_freshness_repos == ""


def test_image_freshness_settings_env_override(monkeypatch):
    """TC-13 / AC-9: each field is read from its ORCH_* env var."""
    monkeypatch.setenv("ORCH_IMAGE_FRESHNESS_ENABLED", "false")
    monkeypatch.setenv("ORCH_IMAGE_FRESHNESS_REPOS", "orchestrator,enduro-trails")
    s = Settings()
    assert s.image_freshness_enabled is False
    assert s.image_freshness_repos == "orchestrator,enduro-trails"


# ---------------------------------------------------------------------------
# ORCH-061 / TC-09: staging_infra_tolerance_enabled kill-switch (AC-7).
# ---------------------------------------------------------------------------
def test_staging_infra_tolerance_defaults_true(monkeypatch):
    """TC-09 / AC-7: the kill-switch defaults ON (safe default — the safety net
    holds regardless; the flag exists to restore legacy strictness instantly)."""
    monkeypatch.delenv("ORCH_STAGING_INFRA_TOLERANCE_ENABLED", raising=False)
    assert Settings().staging_infra_tolerance_enabled is True


def test_staging_infra_tolerance_env_override_false(monkeypatch):
    """TC-09 / AC-7: ORCH_STAGING_INFRA_TOLERANCE_ENABLED=false -> strict (1:1
    pre-ORCH-061: infra-only FAIL again rolls back)."""
    monkeypatch.setenv("ORCH_STAGING_INFRA_TOLERANCE_ENABLED", "false")
    assert Settings().staging_infra_tolerance_enabled is False


def test_staging_infra_tolerance_env_override_true(monkeypatch):
    """The field is read verbatim from its ORCH_* env var."""
    monkeypatch.setenv("ORCH_STAGING_INFRA_TOLERANCE_ENABLED", "true")
    assert Settings().staging_infra_tolerance_enabled is True


# ---------------------------------------------------------------------------
# ORCH-065 / TC-20: reaper_* + lease_reclaim_* settings defaults + env override.
# ---------------------------------------------------------------------------
_REAPER_ENV = (
    "ORCH_REAPER_ENABLED",
    "ORCH_REAPER_INTERVAL_S",
    "ORCH_REAPER_DEAD_TICKS",
    "ORCH_REAPER_MAX_RUNNING_S",
    "ORCH_LEASE_RECLAIM_ENABLED",
)


def test_reaper_settings_defaults(monkeypatch):
    """TC-20 / §5: documented defaults when no env is set."""
    for name in _REAPER_ENV:
        monkeypatch.delenv(name, raising=False)
    s = Settings()
    assert s.reaper_enabled is True
    assert s.reaper_interval_s == 60
    assert s.reaper_dead_ticks == 2
    assert s.reaper_max_running_s == 3600
    assert s.lease_reclaim_enabled is True


def test_reaper_settings_env_override(monkeypatch):
    """TC-20 / §5 / AC-14: each field is read from its ORCH_* env var."""
    monkeypatch.setenv("ORCH_REAPER_ENABLED", "false")
    monkeypatch.setenv("ORCH_REAPER_INTERVAL_S", "30")
    monkeypatch.setenv("ORCH_REAPER_DEAD_TICKS", "5")
    monkeypatch.setenv("ORCH_REAPER_MAX_RUNNING_S", "1200")
    monkeypatch.setenv("ORCH_LEASE_RECLAIM_ENABLED", "false")
    s = Settings()
    assert s.reaper_enabled is False
    assert s.reaper_interval_s == 30
    assert s.reaper_dead_ticks == 5
    assert s.reaper_max_running_s == 1200
    assert s.lease_reclaim_enabled is False


# ---------------------------------------------------------------------------
# ORCH-065 / TC-19: contracts unchanged — no new stages / QG checks; the
# check_branch_mergeable signature is intact (AC-13).
# ---------------------------------------------------------------------------
def test_tc19_stage_transitions_unchanged():
    """No new pipeline EDGE was introduced by ORCH-065.

    ORCH-090 (adr-0026) adds `cancelled` as a terminal SINK (parallel to `done`),
    which is not a new edge — no exit-gate of any edge changed.
    """
    from src.stages import STAGE_TRANSITIONS
    assert set(STAGE_TRANSITIONS) == {
        "created", "analysis", "architecture", "development", "review",
        "testing", "deploy-staging", "deploy", "done", "cancelled",
    }


def test_tc19_qg_checks_registry_unchanged():
    """No new quality-gate check was added to the registry by ORCH-065."""
    from src.qg.checks import QG_CHECKS
    assert set(QG_CHECKS) == {
        "check_analysis_approved",
        "check_analysis_complete",
        "check_architecture_done",
        "check_ci_green",
        "check_review_approved",
        "check_tests_passed",
        "check_reviewer_verdict",
        "check_tests_local",
        "check_deploy_status",
        "check_staging_status",
        "check_branch_mergeable",
        "check_staging_image_fresh",
        "check_security_gate",
        "check_coverage_gate",
    }


def test_tc19_check_branch_mergeable_signature_intact():
    """check_branch_mergeable still takes exactly (repo, work_item_id, branch)."""
    import inspect
    from src.qg.checks import check_branch_mergeable
    params = list(inspect.signature(check_branch_mergeable).parameters)
    assert params == ["repo", "work_item_id", "branch"]


# ---------------------------------------------------------------------------
# ORCH-093 / TC-13: merge_retry_* settings defaults + env override (AC-5).
# ---------------------------------------------------------------------------
_MERGE_RETRY_ENV = (
    "ORCH_MERGE_RETRY_ENABLED",
    "ORCH_MERGE_RETRY_MAX_ATTEMPTS",
    "ORCH_MERGE_RETRY_BACKOFF_BASE_S",
    "ORCH_MERGE_RETRY_BACKOFF_MAX_S",
)


def test_merge_retry_settings_defaults(monkeypatch):
    """Documented defaults when no ORCH_MERGE_RETRY_* env is set."""
    for name in _MERGE_RETRY_ENV:
        monkeypatch.delenv(name, raising=False)
    s = Settings()
    assert s.merge_retry_enabled is True
    assert s.merge_retry_max_attempts == 3
    assert s.merge_retry_backoff_base_s == 2
    assert s.merge_retry_backoff_max_s == 5


def test_merge_retry_settings_env_override(monkeypatch):
    """Each field is read from its ORCH_MERGE_RETRY_* env var."""
    monkeypatch.setenv("ORCH_MERGE_RETRY_ENABLED", "false")
    monkeypatch.setenv("ORCH_MERGE_RETRY_MAX_ATTEMPTS", "5")
    monkeypatch.setenv("ORCH_MERGE_RETRY_BACKOFF_BASE_S", "1")
    monkeypatch.setenv("ORCH_MERGE_RETRY_BACKOFF_MAX_S", "8")
    s = Settings()
    assert s.merge_retry_enabled is False
    assert s.merge_retry_max_attempts == 5
    assert s.merge_retry_backoff_base_s == 1
    assert s.merge_retry_backoff_max_s == 8


# ---------------------------------------------------------------------------
# ORCH-094: deploy_status_guard_* settings defaults + env override.
# ---------------------------------------------------------------------------
_DEPLOY_GUARD_ENV = (
    "ORCH_DEPLOY_STATUS_GUARD_ENABLED",
    "ORCH_DEPLOY_STATUS_GUARD_REPOS",
)


def test_deploy_status_guard_settings_defaults(monkeypatch):
    """Documented defaults: enabled True, repos empty (self-hosting only)."""
    for name in _DEPLOY_GUARD_ENV:
        monkeypatch.delenv(name, raising=False)
    s = Settings()
    assert s.deploy_status_guard_enabled is True
    assert s.deploy_status_guard_repos == ""


def test_deploy_status_guard_settings_env_override(monkeypatch):
    """Each field is read from its ORCH_DEPLOY_STATUS_GUARD_* env var."""
    monkeypatch.setenv("ORCH_DEPLOY_STATUS_GUARD_ENABLED", "false")
    monkeypatch.setenv("ORCH_DEPLOY_STATUS_GUARD_REPOS", "orchestrator,enduro-trails")
    s = Settings()
    assert s.deploy_status_guard_enabled is False
    assert s.deploy_status_guard_repos == "orchestrator,enduro-trails"


# ---------------------------------------------------------------------------
# ORCH-099 (D8): metrics_endpoint_enabled default + env alias ORCH_METRICS_ENABLED.
# The field carries an explicit validation_alias so the DOCUMENTED env var
# (README / ADR-001 D8) actually controls the flag, overriding the default
# ORCH_ + field-name mapping (which would otherwise be ORCH_METRICS_ENDPOINT_*).
# ---------------------------------------------------------------------------
def test_metrics_endpoint_enabled_default_true(monkeypatch):
    monkeypatch.delenv("ORCH_METRICS_ENABLED", raising=False)
    monkeypatch.delenv("ORCH_METRICS_ENDPOINT_ENABLED", raising=False)
    assert Settings().metrics_endpoint_enabled is True


def test_metrics_endpoint_enabled_reads_documented_env_alias(monkeypatch):
    monkeypatch.setenv("ORCH_METRICS_ENABLED", "false")
    assert Settings().metrics_endpoint_enabled is False