import { describe, expect, it } from "vitest";
import {
  RULE_STAKEHOLDER_INVITE_LOGO_PATH,
  RULE_STAKEHOLDER_INVITER_FALLBACK,
  buildRuleStakeholderInviteMail,
  ruleStakeholderInviteCopyUrl,
  stakeholderInviteInviterLabel,
  stakeholderInviteReplyTo,
} from "../../lib/server/ruleStakeholderInviteMail";

const VERIFY_URL =
  "https://communityrule.info/api/invites/rule-stakeholder/verify?token=abc";

describe("stakeholder invite reply address", () => {
  it("uses a mailbox as Reply-To and keeps a missing address out of the header", () => {
    expect(stakeholderInviteReplyTo("  Maya@Example.org ")).toBe(
      "maya@example.org",
    );
    expect(stakeholderInviteReplyTo(RULE_STAKEHOLDER_INVITER_FALLBACK)).toBe(
      undefined,
    );
    expect(stakeholderInviteReplyTo("CommunityRule")).toBe(undefined);
  });

  it("names a missing inviter without turning the label into an address", () => {
    expect(stakeholderInviteInviterLabel("")).toBe(
      RULE_STAKEHOLDER_INVITER_FALLBACK,
    );
    expect(stakeholderInviteInviterLabel("Maya@Example.org")).toBe(
      "maya@example.org",
    );
    const mail = buildRuleStakeholderInviteMail({
      to: "rosa@example.org",
      verifyUrl: VERIFY_URL,
      origin: "https://communityrule.info",
      communityName: "Juniper Street Food Share",
      inviterEmail: RULE_STAKEHOLDER_INVITER_FALLBACK,
    });
    expect(mail.text).toContain(
      `${RULE_STAKEHOLDER_INVITER_FALLBACK} sent the invitation.`,
    );
  });
});

describe("ruleStakeholderInviteCopyUrl", () => {
  it("adds copy=1 to the invitation link", () => {
    expect(ruleStakeholderInviteCopyUrl(VERIFY_URL)).toBe(
      `${VERIFY_URL}&copy=1`,
    );
  });
});

describe("buildRuleStakeholderInviteMail", () => {
  const mail = buildRuleStakeholderInviteMail({
    to: "rosa@example.org",
    verifyUrl: VERIFY_URL,
    origin: "https://communityrule.info",
    communityName: "Juniper Street Food Share",
    inviterEmail: "maya@example.org",
    summary:
      "A food share that runs every Sunday on Juniper Street. Volunteers collect surplus from two grocers and a farm stand and share it with neighbors.",
    document: {
      sections: [
        {
          categoryName: "Values",
          entries: [
            { title: "Care", body: "We care." },
            { title: "Share", body: "We share." },
            { title: "Listen", body: "We listen." },
          ],
        },
        {
          categoryName: "Communication",
          entries: Array.from({ length: 6 }, (_, i) => ({
            title: `Card ${i + 1}`,
            body: "Body",
          })),
        },
      ],
    },
  });

  it("uses the launch subject, preview, and privacy line", () => {
    expect(mail.subject).toBe(
      "Juniper Street Food Share invited you to read their Rule",
    );
    expect(mail.previewText).toBe(
      "It covers how they talk, who belongs, how they decide and what happens when they disagree.",
    );
    expect(mail.text).toContain(
      "Every Rule starts private. Only the people Juniper Street Food Share invites can read it until the person who holds the pen turns on a link. A Rule is public and featured only when a community asks us in writing.",
    );
    expect(mail.html).toContain("Every Rule starts private.");
  });

  it("names the inviter by email and points replies at that address in copy", () => {
    expect(mail.text).toContain("maya@example.org sent the invitation.");
    expect(mail.text).toContain(
      "how they talk, who belongs, how they decide and what happens when they disagree.",
    );
    expect(mail.html).not.toContain("Maya Ortiz");
  });

  it("includes read and copy links, footer, and the 2x mark", () => {
    expect(mail.text).toContain(VERIFY_URL);
    expect(mail.text).toContain(`${VERIFY_URL}&copy=1`);
    expect(mail.html).toContain(`href="${VERIFY_URL}"`);
    expect(mail.html).toContain(`href="${VERIFY_URL}&copy=1"`);
    expect(mail.html).toContain("Read the Rule");
    expect(mail.html).toContain("Make a copy");
    expect(mail.html).toContain("3 VALUES AND 6 CARDS");
    expect(mail.html).toContain("JS");
    expect(mail.html).toContain("#e4e4e4");
    expect(mail.html).toContain("font-size:14px;line-height:20px;color:#464646");
    expect(mail.html).toContain(
      `https://communityrule.info${RULE_STAKEHOLDER_INVITE_LOGO_PATH}`,
    );
    expect(mail.html).toContain("https://communityrule.info/privacy");
    expect(mail.html).toContain("https://communityrule.info/about");
    expect(mail.text).toContain(
      "Juniper Street Food Share’s Rule on CommunityRule",
    );
  });
});