# -*- coding: utf-8 -*-
"""Runtime/state support helpers extracted from the main Gateway module."""

from __future__ import annotations

from typing import Any

from backend.data.provider_utils import normalize_symbol


def _normalize_schedule_mode(value: Any) -> str:
    mode = str(value or "daily").strip().lower()
    if mode == "intraday":
        return "interval"
    return mode or "daily"


def normalize_watchlist(raw_tickers: Any) -> list[str]:
    """Parse watchlist payloads from websocket messages."""
    if raw_tickers is None:
        return []

    if isinstance(raw_tickers, str):
        candidates = raw_tickers.split(",")
    elif isinstance(raw_tickers, list):
        candidates = raw_tickers
    else:
        candidates = [raw_tickers]

    tickers: list[str] = []
    for candidate in candidates:
        symbol = normalize_symbol(str(candidate).strip().strip("\"'"))
        if symbol and symbol not in tickers:
            tickers.append(symbol)
    return tickers


def normalize_agent_workspace_filename(
    raw_name: Any,
    *,
    allowlist: set[str],
) -> str | None:
    """Restrict editable workspace files to a safe allowlist."""
    filename = str(raw_name or "").strip()
    if filename in allowlist:
        return filename
    return None


def apply_runtime_config(gateway: Any, runtime_config: dict[str, Any]) -> dict[str, Any]:
    """Apply runtime config to gateway-owned services and state."""
    warnings: list[str] = []

    ticker_changes = gateway.market_service.update_tickers(
        runtime_config.get("tickers", []),
    )
    gateway.config["tickers"] = ticker_changes["active"]

    gateway.pipeline.max_comm_cycles = int(runtime_config["max_comm_cycles"])
    gateway.config["max_comm_cycles"] = gateway.pipeline.max_comm_cycles
    gateway.config["schedule_mode"] = _normalize_schedule_mode(
        runtime_config.get(
            "schedule_mode",
            gateway.config.get("schedule_mode", "daily"),
        ),
    )
    gateway.config["interval_minutes"] = int(
        runtime_config.get(
            "interval_minutes",
            gateway.config.get("interval_minutes", 60),
        ),
    )
    gateway.config["trigger_time"] = runtime_config.get(
        "trigger_time",
        gateway.config.get("trigger_time", "09:30"),
    )

    if gateway.scheduler:
        gateway.scheduler.reconfigure(
            mode=gateway.config["schedule_mode"],
            trigger_time=gateway.config["trigger_time"],
            interval_minutes=gateway.config["interval_minutes"],
        )

    pm_apply_result = gateway.pipeline.pm.apply_runtime_portfolio_config(
        margin_requirement=runtime_config["margin_requirement"],
    )
    gateway.config["margin_requirement"] = gateway.pipeline.pm.portfolio.get(
        "margin_requirement",
        runtime_config["margin_requirement"],
    )

    requested_initial_cash = float(runtime_config["initial_cash"])
    current_initial_cash = float(gateway.storage.initial_cash)
    initial_cash_applied = requested_initial_cash == current_initial_cash
    if not initial_cash_applied:
        if (
            gateway.storage.can_apply_initial_cash()
            and gateway.pipeline.pm.can_apply_initial_cash()
        ):
            initial_cash_applied = gateway.storage.apply_initial_cash(
                requested_initial_cash,
            )
            if initial_cash_applied:
                gateway.pipeline.pm.apply_runtime_portfolio_config(
                    initial_cash=requested_initial_cash,
                )
                gateway.config["initial_cash"] = gateway.storage.initial_cash
        else:
            warnings.append(
                "initial_cash changed in BOOTSTRAP.md but was not applied "
                "because the run already has positions, margin usage, or trades.",
            )

    requested_enable_memory = bool(runtime_config["enable_memory"])
    current_enable_memory = bool(gateway.config.get("enable_memory", False))
    if requested_enable_memory != current_enable_memory:
        warnings.append(
            "enable_memory changed in BOOTSTRAP.md but still requires a restart "
            "because long-term memory contexts are created at startup.",
        )

    sync_runtime_state(gateway)

    return {
        "runtime_config_requested": runtime_config,
        "runtime_config_applied": {
            "tickers": list(gateway.config.get("tickers", [])),
            "schedule_mode": gateway.config.get("schedule_mode", "daily"),
            "interval_minutes": gateway.config.get("interval_minutes", 60),
            "trigger_time": gateway.config.get("trigger_time", "09:30"),
            "initial_cash": gateway.storage.initial_cash,
            "margin_requirement": gateway.config["margin_requirement"],
            "max_comm_cycles": gateway.config["max_comm_cycles"],
            "enable_memory": gateway.config.get("enable_memory", False),
        },
        "runtime_config_status": {
            "tickers": True,
            "schedule_mode": True,
            "interval_minutes": True,
            "trigger_time": True,
            "initial_cash": initial_cash_applied,
            "margin_requirement": pm_apply_result["margin_requirement"],
            "max_comm_cycles": True,
            "enable_memory": requested_enable_memory == current_enable_memory,
        },
        "ticker_changes": ticker_changes,
        "runtime_config_warnings": warnings,
    }


def sync_runtime_state(gateway: Any) -> None:
    """Refresh persisted state after runtime config changes."""
    gateway.state_sync.update_state("tickers", gateway.config.get("tickers", []))
    gateway.state_sync.update_state(
        "runtime_config",
        {
            "tickers": gateway.config.get("tickers", []),
            "schedule_mode": gateway.config.get("schedule_mode", "daily"),
            "interval_minutes": gateway.config.get("interval_minutes", 60),
            "trigger_time": gateway.config.get("trigger_time", "09:30"),
            "initial_cash": gateway.storage.initial_cash,
            "margin_requirement": gateway.config.get("margin_requirement"),
            "max_comm_cycles": gateway.config.get("max_comm_cycles"),
            "enable_memory": gateway.config.get("enable_memory", False),
        },
    )

    gateway.storage.update_server_state_from_dashboard(gateway.state_sync.state)
    gateway.state_sync.save_state()