import { imessageOutbound } from "../channels/plugins/outbound/imessage.js";
import type {
  ChannelCapabilities,
  ChannelId,
  ChannelOutboundAdapter,
  ChannelPlugin,
} from "../channels/plugins/types.js";
import type { PluginRegistry } from "../plugins/registry.js";
import { normalizeIMessageHandle } from "../imessage/targets.js";

export const createTestRegistry = (channels: PluginRegistry["channels"] = []): PluginRegistry => ({
  plugins: [],
  tools: [],
  hooks: [],
  typedHooks: [],
  channels,
  providers: [],
  gatewayHandlers: {},
  httpHandlers: [],
  cliRegistrars: [],
  services: [],
  commands: [],
  diagnostics: [],
});

export const createIMessageTestPlugin = (params?: {
  outbound?: ChannelOutboundAdapter;
}): ChannelPlugin => ({
  id: "imessage",
  meta: {
    id: "imessage",
    label: "iMessage",
    selectionLabel: "iMessage (imsg)",
    docsPath: "/channels/imessage",
    blurb: "iMessage test stub.",
    aliases: ["imsg"],
  },
  capabilities: { chatTypes: ["direct", "group"], media: true },
  config: {
    listAccountIds: () => [],
    resolveAccount: () => ({}),
  },
  status: {
    collectStatusIssues: (accounts) =>
      accounts.flatMap((account) => {
        const lastError = typeof account.lastError === "string" ? account.lastError.trim() : "";
        if (!lastError) return [];
        return [
          {
            channel: "imessage",
            accountId: account.accountId,
            kind: "runtime",
            message: `Channel error: ${lastError}`,
          },
        ];
      }),
  },
  outbound: params?.outbound ?? imessageOutbound,
  messaging: {
    targetResolver: {
      looksLikeId: (raw) => {
        const trimmed = raw.trim();
        if (!trimmed) return false;
        if (/^(imessage:|sms:|auto:|chat_id:|chat_guid:|chat_identifier:)/i.test(trimmed)) {
          return true;
        }
        if (trimmed.includes("@")) return true;
        return /^\+?\d{3,}$/.test(trimmed);
      },
      hint: "<handle|chat_id:ID>",
    },
    normalizeTarget: (raw) => normalizeIMessageHandle(raw),
  },
});

export const createOutboundTestPlugin = (params: {
  id: ChannelId;
  outbound: ChannelOutboundAdapter;
  label?: string;
  docsPath?: string;
  capabilities?: ChannelCapabilities;
}): ChannelPlugin => ({
  id: params.id,
  meta: {
    id: params.id,
    label: params.label ?? String(params.id),
    selectionLabel: params.label ?? String(params.id),
    docsPath: params.docsPath ?? `/channels/${params.id}`,
    blurb: "test stub.",
  },
  capabilities: params.capabilities ?? { chatTypes: ["direct"] },
  config: {
    listAccountIds: () => [],
    resolveAccount: () => ({}),
  },
  outbound: params.outbound,
});