import { days, hours } from "@hogsend/core";
import { defineJourney, sendEmail } from "@hogsend/engine";
import { Events, Templates } from "./constants/index.js";

export const onboarding = defineJourney({
  meta: {
    id: "onboarding",
    name: "Onboarding",
    enabled: true,
    trigger: { event: Events.USER_CREATED }, // PostHog signup → enrol
    entryLimit: "once",                       // a re-signup never restarts it
    suppress: hours(12),                      // never two emails within 12h
    exitOn: [{ event: Events.USER_ACTIVATED }, { event: Events.USER_DELETED }],
  },

  run: async (user, ctx) => {
    // Welcome, immediately. One next step.
    await sendEmail({
      to: user.email,
      userId: user.id,
      journeyStateId: user.stateId,
      template: Templates.ACTIVATION_WELCOME,
      subject: "Welcome — here's your first step",
      journeyName: user.journeyName,
    });

    // Park — durably — until they set up, or 3 days pass.
    const { timedOut } = await ctx.waitForEvent({
      event: Events.SETUP_COMPLETED,
      timeout: days(3),
    });

    // Two people, two emails.
    await sendEmail({
      to: user.email,
      userId: user.id,
      journeyStateId: user.stateId,
      template: timedOut
        ? Templates.ACTIVATION_NUDGE            // stalled → specific help
        : Templates.ACTIVATION_FEATURE_HIGHLIGHT, // moved → first win
      subject: timedOut
        ? "Stuck on setup?"
        : "You're set up — here's what's next",
      journeyName: user.journeyName,
    });
  },
});