"""ASV benchmarks for actor compiler throughput.

Measures the performance of:
- compile_actor() on a simple two-node graph
- compile_actor() on a larger multi-node graph
- Subgraph cycle detection overhead
- Compilation metadata serialization
"""

from __future__ import annotations

import importlib
import sys
from pathlib import Path

_SRC = str(Path(__file__).resolve().parents[1] / "src")
if _SRC not in sys.path:
    sys.path.insert(0, _SRC)

import cleveragents  # noqa: E402

importlib.reload(cleveragents)

from cleveragents.actor.compiler import compile_actor  # noqa: E402
from cleveragents.actor.schema import (  # noqa: E402
    ActorConfigSchema,
    ActorType,
    EdgeDefinition,
    NodeDefinition,
    NodeType,
    RouteDefinition,
)


def _make_graph(node_count: int) -> ActorConfigSchema:
    """Build a linear graph with *node_count* agent nodes."""
    nodes: list[NodeDefinition] = []
    edges: list[EdgeDefinition] = []
    for i in range(node_count):
        nodes.append(
            NodeDefinition(
                id=f"node-{i}",
                type=NodeType.AGENT,
                name=f"Node {i}",
                description=f"Agent node {i}",
                config={"agent": f"agent_{i}"},
            )
        )
        if i > 0:
            edges.append(EdgeDefinition(from_node=f"node-{i - 1}", to_node=f"node-{i}"))
    route = RouteDefinition(
        nodes=nodes,
        edges=edges,
        entry_node="node-0",
        exit_nodes=[f"node-{node_count - 1}"],
    )
    return ActorConfigSchema(
        name="bench/graph",
        type=ActorType.GRAPH,
        description="Benchmark graph",
        model="gpt-4",
        route=route,
    )


class CompileSimpleSuite:
    """Benchmark compile_actor on a simple 2-node graph."""

    timeout = 60

    def setup(self) -> None:
        self.config = _make_graph(2)

    def time_compile_simple(self) -> None:
        compile_actor(self.config)


class CompileLargeSuite:
    """Benchmark compile_actor on a 20-node linear graph."""

    timeout = 60

    def setup(self) -> None:
        self.config = _make_graph(20)

    def time_compile_large(self) -> None:
        compile_actor(self.config)


class MetadataSerializationSuite:
    """Benchmark compilation metadata serialization."""

    timeout = 60

    def setup(self) -> None:
        self.config = _make_graph(10)
        self.compiled = compile_actor(self.config)

    def time_metadata_dump(self) -> None:
        self.compiled.metadata.model_dump(mode="json")


class SubgraphResolutionSuite:
    """Benchmark compile_actor with subgraph resolution."""

    timeout = 60

    def setup(self) -> None:
        inner_nodes = [
            NodeDefinition(
                id="inner",
                type=NodeType.AGENT,
                name="Inner",
                description="Inner agent",
                config={"agent": "inner"},
            ),
        ]
        inner_route = RouteDefinition(
            nodes=inner_nodes,
            edges=[],
            entry_node="inner",
            exit_nodes=["inner"],
        )
        self.inner_config = ActorConfigSchema(
            name="bench/inner",
            type=ActorType.GRAPH,
            description="Inner graph",
            model="gpt-4",
            route=inner_route,
        )

        outer_nodes = [
            NodeDefinition(
                id="main",
                type=NodeType.AGENT,
                name="Main",
                description="Main agent",
                config={"agent": "main"},
            ),
            NodeDefinition(
                id="sub",
                type=NodeType.SUBGRAPH,
                name="Sub",
                description="Subgraph ref",
                config={},
                actor_ref="bench/inner",
            ),
        ]
        outer_edges = [EdgeDefinition(from_node="main", to_node="sub")]
        outer_route = RouteDefinition(
            nodes=outer_nodes,
            edges=outer_edges,
            entry_node="main",
            exit_nodes=["sub"],
        )
        self.outer_config = ActorConfigSchema(
            name="bench/outer",
            type=ActorType.GRAPH,
            description="Outer graph",
            model="gpt-4",
            route=outer_route,
        )
        self.resolver = lambda name: (
            self.inner_config if name == "bench/inner" else None
        )

    def time_compile_with_subgraph(self) -> None:
        compile_actor(self.outer_config, actor_resolver=self.resolver)