import { getChannelPlugin, getLoadedChannelPlugin } from "../../channels/plugins/index.js";
import type { ChannelPlugin } from "../../channels/plugins/types.plugin.js";
import type { OpenClawConfig } from "../../config/types.openclaw.js";
import { getActivePluginRegistry } from "../../plugins/runtime.js";
import {
  isDeliverableMessageChannel,
  normalizeMessageChannel,
  type DeliverableMessageChannel,
} from "../../utils/message-channel.js";
import {
  bootstrapOutboundChannelPlugin,
  resetOutboundChannelBootstrapStateForTests,
} from "./channel-bootstrap.runtime.js";

export function resetOutboundChannelResolutionStateForTest(): void {
  resetOutboundChannelBootstrapStateForTests();
}

export function normalizeDeliverableOutboundChannel(
  raw?: string | null,
): DeliverableMessageChannel | undefined {
  const normalized = normalizeMessageChannel(raw);
  if (!normalized || !isDeliverableMessageChannel(normalized)) {
    return undefined;
  }
  return normalized;
}

function maybeBootstrapChannelPlugin(params: {
  channel: DeliverableMessageChannel;
  cfg?: OpenClawConfig;
}): void {
  bootstrapOutboundChannelPlugin(params);
}

function resolveDirectFromActiveRegistry(
  channel: DeliverableMessageChannel,
): ChannelPlugin | undefined {
  const activeRegistry = getActivePluginRegistry();
  if (!activeRegistry) {
    return undefined;
  }
  for (const entry of activeRegistry.channels) {
    const plugin = entry?.plugin;
    if (plugin?.id === channel) {
      return plugin;
    }
  }
  return undefined;
}

export function resolveOutboundChannelPlugin(params: {
  channel: string;
  cfg?: OpenClawConfig;
}): ChannelPlugin | undefined {
  const normalized = normalizeDeliverableOutboundChannel(params.channel);
  if (!normalized) {
    return undefined;
  }

  const resolveLoaded = () => getLoadedChannelPlugin(normalized);
  const resolve = () => getChannelPlugin(normalized);
  const current = resolveLoaded();
  if (current) {
    return current;
  }
  const directCurrent = resolveDirectFromActiveRegistry(normalized);
  if (directCurrent) {
    return directCurrent;
  }

  maybeBootstrapChannelPlugin({ channel: normalized, cfg: params.cfg });
  return resolveLoaded() ?? resolveDirectFromActiveRegistry(normalized) ?? resolve();
}