import json
from datetime import date

import pytest

from ccma.rules.loader import RuleLoadError
from ccma.services.housekeeper import Housekeeper
from ccma.storage.repository import MemberRepository


def test_store_rule_overrides_builtin_rule_with_same_filename(tmp_path) -> None:
    repository = MemberRepository(tmp_path)
    repository.initialize()
    member = repository.create_member(first_name="Override", last_name="Test")
    (repository.root / "rules" / "birthdate_check.py").write_text(
        """
from ccma.rules.api import RuleAction

RULE_ID = "birthdate-check"

def evaluate(context):
    return [RuleAction(
        key=f"birthdate-check:{context.member.member_id}:override",
        action="task",
        member_id=context.member.member_id,
        payload={
            "code": "override_active",
            "severity": "info",
            "title": "Store-Override aktiv",
            "detail": "Die eingebaute Regel wurde ersetzt.",
        },
    )]
""".strip(),
        encoding="utf-8",
    )

    findings = Housekeeper(repository).run(today=date(2026, 6, 21))
    state = json.loads((repository.root / "hausmeister.json").read_text(encoding="utf-8"))

    assert any(finding.code == "override_active" for finding in findings)
    rule = next(item for item in state["rules"] if item["filename"] == "birthdate_check.py")
    assert rule["source"] == "store-override"
    assert rule["script_hash"].startswith("sha256:")
    assert member.member_id in {item["member_id"] for item in state["items"]}


def test_housekeeper_claim_actions_are_idempotent(tmp_path) -> None:
    repository = MemberRepository(tmp_path)
    repository.initialize()
    member = repository.create_member(first_name="Contribution", last_name="Test", birth_date="1990-01-01")
    member.status = "active"
    member.accepted_at = "2026-04-15"
    member.membership_started_at = "2026-04-15"
    member.payment_frequency = "semiannual"
    repository.save_member(member)
    housekeeper = Housekeeper(repository)

    housekeeper.run(today=date(2026, 4, 15))
    first_claims = repository.get_contributions(member.member_id).claims
    housekeeper.run(today=date(2026, 4, 15))
    second_claims = repository.get_contributions(member.member_id).claims
    state = json.loads((repository.root / "hausmeister.json").read_text(encoding="utf-8"))

    assert {claim["claim_key"] for claim in first_claims} == {
        "admission-fee",
        "membership-fee:2026:first-half",
        "membership-fee:2026:second-half",
    }
    assert len(second_claims) == len(first_claims) == 3
    amounts = {claim["claim_key"]: claim["amount"] for claim in first_claims}
    assert amounts["membership-fee:2026:first-half"] == "37.50"
    assert amounts["membership-fee:2026:second-half"] == "75.00"
    assert state["run_counter"] == 2
    assert state["last_completed_run"] == "2026-04-15:000002"


def test_housekeeper_resolves_tasks_not_seen_in_current_run(tmp_path) -> None:
    repository = MemberRepository(tmp_path)
    repository.initialize()
    member = repository.create_member(first_name="Missing", last_name="Birthday")
    housekeeper = Housekeeper(repository)

    housekeeper.run(today=date(2026, 6, 21))
    member.birth_date = "1990-01-01"
    repository.save_member(member)
    housekeeper.run(today=date(2026, 6, 21))
    state = json.loads((repository.root / "hausmeister.json").read_text(encoding="utf-8"))
    task = next(item for item in state["items"] if item["key"].endswith(":missing"))

    assert task["status"] == "resolved"
    assert task["first_seen_run"] == "2026-06-21:000001"
    assert task["resolved_run"] == "2026-06-21:000002"


def test_failed_run_does_not_advance_persisted_run_id(tmp_path) -> None:
    repository = MemberRepository(tmp_path)
    repository.initialize()
    repository.create_member(first_name="Failed", last_name="Rule")
    housekeeper = Housekeeper(repository)
    housekeeper.run(today=date(2026, 6, 21))
    state_before = (repository.root / "hausmeister.json").read_bytes()
    (repository.root / "rules" / "broken.py").write_text("this is not python !!!", encoding="utf-8")

    with pytest.raises(RuleLoadError):
        housekeeper.run(today=date(2026, 6, 21))

    assert (repository.root / "hausmeister.json").read_bytes() == state_before
    assert not (repository.root / ".hausmeister.lock").exists()


def test_broken_contributions_file_creates_task_without_overwriting_file(tmp_path) -> None:
    repository = MemberRepository(tmp_path)
    repository.initialize()
    member = repository.create_member(first_name="Broken", last_name="Contributions", birth_date="1990-01-01")
    member.status = "active"
    member.accepted_at = "2026-01-01"
    member.membership_started_at = "2026-01-01"
    repository.save_member(member)
    path = repository.members_root / member.member_id / "contributions.json"
    path.write_bytes(b"")

    findings = Housekeeper(repository).run(today=date(2026, 6, 21))

    assert path.read_bytes() == b""
    assert [finding.code for finding in findings] == ["invalid_contributions_file"]
    state = json.loads((repository.root / "hausmeister.json").read_text(encoding="utf-8"))
    task = next(item for item in state["items"] if item["code"] == "invalid_contributions_file")
    assert task["status"] == "open"