"""Cayce Ops CLI (Typer).

Component sub-apps are imported lazily so the skeleton CLI works before every
component module lands, and so one broken component can't take down the CLI.
"""

from __future__ import annotations

import typer

from cayceops import __version__

app = typer.Typer(name="cayceops", help="Cayce autonomous operations stack", no_args_is_help=True)

db_app = typer.Typer(name="db", help="Schema lifecycle")
app.add_typer(db_app)


@db_app.command("init")
def db_init() -> None:
    """Create all tables from ORM metadata (dev/test)."""
    from cayceops.db import init_db

    init_db()
    typer.echo("schema created (metadata.create_all)")


@db_app.command("upgrade")
def db_upgrade() -> None:
    """Run Alembic migrations to head (production path)."""
    from cayceops.db import upgrade_db

    upgrade_db()
    typer.echo("migrations applied")


@app.command()
def version() -> None:
    """Print the version."""
    typer.echo(f"cayce-ops {__version__}")


def _load_component(name: str):
    """Import a component module by name (lazy)."""
    import importlib

    return importlib.import_module(f"cayceops.components.{name}")


# --- scanner -----------------------------------------------------------------
scanner_app = typer.Typer(name="scanner", help="Opportunity discovery (read-only)")
app.add_typer(scanner_app)


@scanner_app.command("run")
def scanner_run() -> None:
    """Scan configured sources and file proposals. Never executes anything."""
    raise typer.Exit(_load_component("scanner").run())


# --- executor ----------------------------------------------------------------
executor_app = typer.Typer(name="executor", help="Execute approved proposals")
app.add_typer(executor_app)


@executor_app.command("run")
def executor_run() -> None:
    """Process approved proposals through registered action plugins."""
    raise typer.Exit(_load_component("executor").run())


@executor_app.command("approve")
def executor_approve(
    proposal_id: int, actor: str = typer.Option(..., help="Human approver id")
) -> None:
    """Approve a proposal (human action, audited)."""
    raise typer.Exit(_load_component("executor").approve(proposal_id, actor))


@executor_app.command("reject")
def executor_reject(proposal_id: int, actor: str = typer.Option(...)) -> None:
    """Reject a proposal (human action, audited)."""
    raise typer.Exit(_load_component("executor").reject(proposal_id, actor))


# --- maild -------------------------------------------------------------------
maild_app = typer.Typer(name="maild", help="Merchant mail negotiation")
app.add_typer(maild_app)


@maild_app.command("poll")
def maild_poll() -> None:
    """Poll IMAP, classify inbound mail, draft replies."""
    raise typer.Exit(_load_component("maild").poll())


@maild_app.command("approve-draft")
def maild_approve(msg_id: int, actor: str = typer.Option(...)) -> None:
    """Approve a drafted reply so SMTP may send it."""
    raise typer.Exit(_load_component("maild").approve_draft(msg_id, actor))


@maild_app.command("send-approved")
def maild_send() -> None:
    """Send all approved drafts via SMTP."""
    raise typer.Exit(_load_component("maild").send_approved())


# --- publisher ---------------------------------------------------------------
publisher_app = typer.Typer(name="publisher", help="Themed content calendar")
app.add_typer(publisher_app)


@publisher_app.command("plan")
def publisher_plan() -> None:
    """Fill the calendar with drafts for the coming days (per theme rotation)."""
    raise typer.Exit(_load_component("publisher").plan())


@publisher_app.command("image")
def publisher_image(item_id: int) -> None:
    """Render the brand image for a content item."""
    raise typer.Exit(_load_component("publisher").make_image(item_id))


@publisher_app.command("approve")
def publisher_approve(item_id: int, actor: str = typer.Option(...)) -> None:
    """Approve a draft content item."""
    raise typer.Exit(_load_component("publisher").approve(item_id, actor))


@publisher_app.command("publish-due")
def publisher_publish() -> None:
    """Publish approved content items that are due."""
    raise typer.Exit(_load_component("publisher").publish_due())


# --- monitor -----------------------------------------------------------------
monitor_app = typer.Typer(name="monitor", help="Static status page")
app.add_typer(monitor_app)


@monitor_app.command("build")
def monitor_build() -> None:
    """Render the static status page (no sensitive data)."""
    raise typer.Exit(_load_component("monitor").build())


def main() -> None:  # pragma: no cover
    app()


if __name__ == "__main__":  # pragma: no cover
    main()