import type { ClawdbotConfig } from "../../../src/config/config.js";
import type { DmPolicy } from "../../../src/config/types.js";
import { DEFAULT_ACCOUNT_ID } from "../../../src/routing/session-key.js";
import { formatDocsLink } from "../../../src/terminal/links.js";
import type { WizardPrompter } from "../../../src/wizard/prompts.js";
import type {
  ChannelOnboardingAdapter,
  ChannelOnboardingDmPolicy,
} from "../../../src/channels/plugins/onboarding-types.js";
import { addWildcardAllowFrom } from "../../../src/channels/plugins/onboarding/helpers.js";

import { resolveMSTeamsCredentials } from "./token.js";

const channel = "msteams" as const;

function setMSTeamsDmPolicy(cfg: ClawdbotConfig, dmPolicy: DmPolicy) {
  const allowFrom =
    dmPolicy === "open"
      ? addWildcardAllowFrom(cfg.channels?.msteams?.allowFrom)?.map((entry) => String(entry))
      : undefined;
  return {
    ...cfg,
    channels: {
      ...cfg.channels,
      msteams: {
        ...cfg.channels?.msteams,
        dmPolicy,
        ...(allowFrom ? { allowFrom } : {}),
      },
    },
  };
}

async function noteMSTeamsCredentialHelp(prompter: WizardPrompter): Promise<void> {
  await prompter.note(
    [
      "1) Azure Bot registration → get App ID + Tenant ID",
      "2) Add a client secret (App Password)",
      "3) Set webhook URL + messaging endpoint",
      "Tip: you can also set MSTEAMS_APP_ID / MSTEAMS_APP_PASSWORD / MSTEAMS_TENANT_ID.",
      `Docs: ${formatDocsLink("/channels/msteams", "msteams")}`,
    ].join("\n"),
    "MS Teams credentials",
  );
}

const dmPolicy: ChannelOnboardingDmPolicy = {
  label: "MS Teams",
  channel,
  policyKey: "channels.msteams.dmPolicy",
  allowFromKey: "channels.msteams.allowFrom",
  getCurrent: (cfg) => cfg.channels?.msteams?.dmPolicy ?? "pairing",
  setPolicy: (cfg, policy) => setMSTeamsDmPolicy(cfg, policy),
};

export const msteamsOnboardingAdapter: ChannelOnboardingAdapter = {
  channel,
  getStatus: async ({ cfg }) => {
    const configured = Boolean(resolveMSTeamsCredentials(cfg.channels?.msteams));
    return {
      channel,
      configured,
      statusLines: [`MS Teams: ${configured ? "configured" : "needs app credentials"}`],
      selectionHint: configured ? "configured" : "needs app creds",
      quickstartScore: configured ? 2 : 0,
    };
  },
  configure: async ({ cfg, prompter }) => {
    const resolved = resolveMSTeamsCredentials(cfg.channels?.msteams);
    const hasConfigCreds = Boolean(
      cfg.channels?.msteams?.appId?.trim() &&
      cfg.channels?.msteams?.appPassword?.trim() &&
      cfg.channels?.msteams?.tenantId?.trim(),
    );
    const canUseEnv = Boolean(
      !hasConfigCreds &&
      process.env.MSTEAMS_APP_ID?.trim() &&
      process.env.MSTEAMS_APP_PASSWORD?.trim() &&
      process.env.MSTEAMS_TENANT_ID?.trim(),
    );

    let next = cfg;
    let appId: string | null = null;
    let appPassword: string | null = null;
    let tenantId: string | null = null;

    if (!resolved) {
      await noteMSTeamsCredentialHelp(prompter);
    }

    if (canUseEnv) {
      const keepEnv = await prompter.confirm({
        message:
          "MSTEAMS_APP_ID + MSTEAMS_APP_PASSWORD + MSTEAMS_TENANT_ID detected. Use env vars?",
        initialValue: true,
      });
      if (keepEnv) {
        next = {
          ...next,
          channels: {
            ...next.channels,
            msteams: { ...next.channels?.msteams, enabled: true },
          },
        };
      } else {
        appId = String(
          await prompter.text({
            message: "Enter MS Teams App ID",
            validate: (value) => (value?.trim() ? undefined : "Required"),
          }),
        ).trim();
        appPassword = String(
          await prompter.text({
            message: "Enter MS Teams App Password",
            validate: (value) => (value?.trim() ? undefined : "Required"),
          }),
        ).trim();
        tenantId = String(
          await prompter.text({
            message: "Enter MS Teams Tenant ID",
            validate: (value) => (value?.trim() ? undefined : "Required"),
          }),
        ).trim();
      }
    } else if (hasConfigCreds) {
      const keep = await prompter.confirm({
        message: "MS Teams credentials already configured. Keep them?",
        initialValue: true,
      });
      if (!keep) {
        appId = String(
          await prompter.text({
            message: "Enter MS Teams App ID",
            validate: (value) => (value?.trim() ? undefined : "Required"),
          }),
        ).trim();
        appPassword = String(
          await prompter.text({
            message: "Enter MS Teams App Password",
            validate: (value) => (value?.trim() ? undefined : "Required"),
          }),
        ).trim();
        tenantId = String(
          await prompter.text({
            message: "Enter MS Teams Tenant ID",
            validate: (value) => (value?.trim() ? undefined : "Required"),
          }),
        ).trim();
      }
    } else {
      appId = String(
        await prompter.text({
          message: "Enter MS Teams App ID",
          validate: (value) => (value?.trim() ? undefined : "Required"),
        }),
      ).trim();
      appPassword = String(
        await prompter.text({
          message: "Enter MS Teams App Password",
          validate: (value) => (value?.trim() ? undefined : "Required"),
        }),
      ).trim();
      tenantId = String(
        await prompter.text({
          message: "Enter MS Teams Tenant ID",
          validate: (value) => (value?.trim() ? undefined : "Required"),
        }),
      ).trim();
    }

    if (appId && appPassword && tenantId) {
      next = {
        ...next,
        channels: {
          ...next.channels,
          msteams: {
            ...next.channels?.msteams,
            enabled: true,
            appId,
            appPassword,
            tenantId,
          },
        },
      };
    }

    return { cfg: next, accountId: DEFAULT_ACCOUNT_ID };
  },
  dmPolicy,
  disable: (cfg) => ({
    ...cfg,
    channels: {
      ...cfg.channels,
      msteams: { ...cfg.channels?.msteams, enabled: false },
    },
  }),
};