"""ASV benchmarks for ChangeSet models and invocation tracking.

Measures the performance of:
- ChangeEntry creation and validation
- SpecChangeSet sorted_entries and grouped_by_resource
- InMemoryInvocationTracker operations
- Path normalization
"""

from __future__ import annotations

import sys
from datetime import UTC, datetime
from pathlib import Path

try:
    from cleveragents.domain.models.core.change import (
        ChangeEntry,
        ChangeOperation,
        InMemoryInvocationTracker,
        SpecChangeSet,
        ToolInvocation,
        normalize_change_path,
    )
except ModuleNotFoundError:
    sys.path.insert(0, str(Path(__file__).resolve().parents[1] / "src"))
    from cleveragents.domain.models.core.change import (
        ChangeEntry,
        ChangeOperation,
        InMemoryInvocationTracker,
        SpecChangeSet,
        ToolInvocation,
        normalize_change_path,
    )


def _make_entries(n: int) -> list[ChangeEntry]:
    """Create *n* ChangeEntry objects with varied resources."""
    entries: list[ChangeEntry] = []
    for i in range(n):
        minutes, seconds = divmod(i, 60)
        entries.append(
            ChangeEntry(
                plan_id="plan-bench",
                resource_id=f"res-{i % 5}",
                tool_name="builtin/file-write",
                operation=ChangeOperation.CREATE,
                path=f"src/file_{i}.py",
                after_hash=f"hash-{i}",
                timestamp=datetime(2026, 1, 1, 0, minutes, seconds, tzinfo=UTC),
            )
        )
    return entries


class ChangeEntrySuite:
    """Benchmark ChangeEntry creation and validation."""

    def time_create_entry(self) -> None:
        ChangeEntry(
            plan_id="plan-1",
            resource_id="res-1",
            tool_name="builtin/file-write",
            operation=ChangeOperation.CREATE,
            path="src/new.py",
            after_hash="abc123",
        )

    def time_create_entry_with_integrity_check(self) -> None:
        e = ChangeEntry(
            plan_id="plan-1",
            resource_id="res-1",
            tool_name="builtin/file-edit",
            operation=ChangeOperation.MODIFY,
            path="src/edit.py",
            before_hash="before",
            after_hash="after",
        )
        _ = e.has_integrity_hashes


class SpecChangeSetSuite:
    """Benchmark SpecChangeSet operations."""

    def setup(self) -> None:
        self.entries = _make_entries(100)
        self.changeset = SpecChangeSet(plan_id="plan-bench", entries=self.entries)

    def time_sorted_entries(self) -> None:
        self.changeset.sorted_entries()

    def time_grouped_by_resource(self) -> None:
        self.changeset.grouped_by_resource()

    def time_summary(self) -> None:
        self.changeset.summary()

    def time_add_change(self) -> None:
        cs = SpecChangeSet(plan_id="plan-bench")
        for entry in self.entries[:10]:
            cs.add_change(entry)


class InvocationTrackerSuite:
    """Benchmark InMemoryInvocationTracker."""

    def setup(self) -> None:
        self.tracker = InMemoryInvocationTracker()
        for i in range(50):
            self.tracker.track(
                ToolInvocation(
                    plan_id=f"plan-{i % 3}",
                    tool_name=f"tool-{i}",
                    skill_name=f"skill-{i % 5}",
                    sequence_number=i,
                    change_ids=[f"chg-{i}"],
                )
            )

    def time_get_invocations(self) -> None:
        self.tracker.get_invocations("plan-0")

    def time_get_invocations_for_skill(self) -> None:
        self.tracker.get_invocations_for_skill("plan-0", "skill-0")

    def time_get_changes(self) -> None:
        self.tracker.get_changes("plan-0")


class PathNormalizationSuite:
    """Benchmark path normalization."""

    def time_normalize_absolute(self) -> None:
        normalize_change_path("/home/user/project/src/main.py", "/home/user/project")

    def time_normalize_relative(self) -> None:
        normalize_change_path("src/main.py", "")
