"""Public contract for the automation plugin.

Exposes models, services, scheduler, and agent communication for other plugins.
"""

from __future__ import annotations

from app.plugins.builtins.automation.agent_comm import send_agent_message
from app.plugins.builtins.automation.agent_runner import run_agent
from app.plugins.builtins.automation.execution_engine import run_automation
from app.plugins.builtins.automation.models import (
    AgentDefinition,
    AgentRun,
    AgentVersion,
    AutomationCronJob,
    AutomationDefinition,
    AutomationRun,
    AutomationVersion,
)
from app.plugins.builtins.automation.scheduler import (
    calculate_next_run,
    scheduler_tick,
)
from app.plugins.builtins.automation.services import (
    AgentService,
    AutomationService,
    CronJobService,
    RunLogService,
)
from app.plugins.builtins.contracts import get_contract_registry


class AutomationContract:
    """Public API surface for the automation plugin."""

    contract_name = "automation"

    # ─── models ───
    AgentDefinition = AgentDefinition
    Automation = AutomationDefinition
    CronJob = AutomationCronJob
    AgentRun = AgentRun
    AgentVersion = AgentVersion
    AutomationRun = AutomationRun
    AutomationVersion = AutomationVersion

    # ─── services ───
    AgentService = AgentService
    AutomationService = AutomationService
    CronJobService = CronJobService
    RunLogService = RunLogService

    # ─── agent_runner ───
    run_agent = staticmethod(run_agent)

    # ─── execution_engine ───
    run_automation = staticmethod(run_automation)

    # ─── scheduler ───
    calculate_next_run = staticmethod(calculate_next_run)
    scheduler_tick = staticmethod(scheduler_tick)

    # ─── agent_comm ───
    send_agent_message = staticmethod(send_agent_message)

    @classmethod
    def get_function(cls, name: str):
        """Return a callable exposed by this contract, or None if absent."""
        return getattr(cls, name, None)


# ─── self-registration ───

_contract = AutomationContract()
get_contract_registry().register("automation", _contract)


__all__ = [
    "AutomationContract",
    "AgentDefinition",
    "AgentService",
    "AutomationService",
    "CronJobService",
    "RunLogService",
]