import { describe, expect, it } from "vitest";
import { mapWizardDraftToFormValues } from "@/domain/work-orders/mappers/wizard-draft-mapper";
import {
  EMPTY_WIZARD_DRAFT,
  canContinueWizardStep1,
  canContinueWizardStep2,
  canCreateWorkOrderFromWizard,
  isWizardStepValid,
  isWizardWoNumberValid,
  wizardStep1ContinueHint,
  wizardStep2ContinueHint,
} from "@/domain/work-orders/types/work-order-wizard";

describe("mapWizardDraftToFormValues", () => {
  it("maps minimal draft with type and site to valid form values", () => {
    const draft = {
      ...EMPTY_WIZARD_DRAFT,
      type: "PM" as const,
      locationId: "42",
      locationName: "DFW8 · Dallas, TX",
      woNumber: "24818",
      assigneeName: "Sarah Chen",
      status: "Incomplete" as const,
    };

    const values = mapWizardDraftToFormValues(draft);

    expect(values.title).toBe("PM — #24818");
    expect(values.workOrderNumber).toBe("24818");
    expect(values.locationId).toBe("42");
    expect(values.assignedTo).toBe("Sarah Chen");
    expect(values.status).toBe("Open");
    expect(values.priority).toBe("Sev 3");
    expect(values.source).toBe("PM");
    expect(values.createdDate).toMatch(/^\d{4}-\d{2}-\d{2}$/);
  });

  it("maps emergency type to Sev 1 priority", () => {
    const values = mapWizardDraftToFormValues({
      ...EMPTY_WIZARD_DRAFT,
      type: "Emergency",
      locationId: "1",
      locationName: "Site A",
    });

    expect(values.priority).toBe("Sev 1");
    expect(values.title).toBe("Emergency — Site A");
  });

  it("includes appointment and notes in description", () => {
    const values = mapWizardDraftToFormValues({
      ...EMPTY_WIZARD_DRAFT,
      type: "Reactive",
      locationId: "1",
      locationName: "Site A",
      apptStart: "09:00",
      apptEnd: "11:00",
      pocNotes: "Call ahead",
      vendorName: "Roto-Rooter",
      vendorNotes: "Prefers morning",
    });

    expect(values.description).toContain("Appt:");
    expect(values.description).toContain("POC notes: Call ahead");
    expect(values.description).toContain("Vendor: Roto-Rooter");
  });
});

describe("wizard step validation", () => {
  it("allows step 1 with a blank woNumber for backend SH generation", () => {
    expect(canContinueWizardStep1(EMPTY_WIZARD_DRAFT)).toBe(true);
    expect(isWizardStepValid(1, EMPTY_WIZARD_DRAFT)).toBe(true);
  });

  it("allows step 1 without type when woNumber is set", () => {
    const draft = { ...EMPTY_WIZARD_DRAFT, woNumber: "12345" };
    expect(canContinueWizardStep1(draft)).toBe(true);
    expect(isWizardStepValid(1, draft)).toBe(true);
  });

  it("allows step 1 without woNumber when type is set", () => {
    const draft = { ...EMPTY_WIZARD_DRAFT, type: "PM" as const };
    expect(canContinueWizardStep1(draft)).toBe(true);
    expect(isWizardStepValid(1, draft)).toBe(true);
  });

  it("allows step 1 when type and woNumber are set (schedule optional)", () => {
    const draft = {
      ...EMPTY_WIZARD_DRAFT,
      type: "PM" as const,
      woNumber: "12345",
    };
    expect(canContinueWizardStep1(draft)).toBe(true);
    expect(isWizardStepValid(1, draft)).toBe(true);
  });

  it("blocks step 1 for Emergency without severity", () => {
    const draft = {
      ...EMPTY_WIZARD_DRAFT,
      type: "Emergency" as const,
      woNumber: "12345",
    };
    expect(canContinueWizardStep1(draft)).toBe(false);
  });

  it("allows step 1 for Emergency with severity", () => {
    const draft = {
      ...EMPTY_WIZARD_DRAFT,
      type: "Emergency" as const,
      woNumber: "12345",
      severity: 2 as const,
    };
    expect(canContinueWizardStep1(draft)).toBe(true);
  });

  it("blocks step 2 without POC name/phone", () => {
    const draft = {
      ...EMPTY_WIZARD_DRAFT,
      type: "PM" as const,
      woNumber: "12345",
      locationId: "99",
      siteCode: "BK5",
    };
    expect(canContinueWizardStep2(draft)).toBe(false);
    expect(isWizardStepValid(2, draft)).toBe(false);
  });

  it("allows step 2 without an account when site and POC are set", () => {
    const draft = {
      ...EMPTY_WIZARD_DRAFT,
      type: "PM" as const,
      woNumber: "12345",
      locationId: "99",
      siteCode: "BK5",
      pocName: "Jordan",
      pocPhone: "555-0100",
    };
    expect(canContinueWizardStep2(draft)).toBe(true);
    expect(isWizardStepValid(2, draft)).toBe(true);
    expect(wizardStep2ContinueHint(draft)).toBeNull();
  });

  it("hints pick a site when step 2 has no location", () => {
    expect(wizardStep2ContinueHint(EMPTY_WIZARD_DRAFT)).toBe("Pick a site to continue");
  });

  it("hints POC when step 2 has site but no phone", () => {
    const draft = {
      ...EMPTY_WIZARD_DRAFT,
      locationId: "99",
      siteCode: "BK5",
      pocName: "Jordan",
    };
    expect(wizardStep2ContinueHint(draft)).toBe("Enter POC name and phone to continue");
  });

  it("allows step 2 when site and POC are set", () => {
    const draft = {
      ...EMPTY_WIZARD_DRAFT,
      type: "PM" as const,
      woNumber: "12345",
      locationId: "99",
      siteCode: "BK5",
      pocName: "Jordan",
      pocPhone: "555-0100",
    };
    expect(canContinueWizardStep2(draft)).toBe(true);
    expect(isWizardStepValid(2, draft)).toBe(true);
    expect(wizardStep2ContinueHint(draft)).toBeNull();
  });

  it("blocks create without siteCode", () => {
    const draft = {
      ...EMPTY_WIZARD_DRAFT,
      type: "PM" as const,
      woNumber: "12345",
      locationId: "99",
    };
    expect(canCreateWorkOrderFromWizard(draft)).toBe(false);
    expect(isWizardStepValid(2, draft)).toBe(false);
  });

  it("allows create when type, woNumber, site, and POC are set", () => {
    const draft = {
      ...EMPTY_WIZARD_DRAFT,
      type: "PM" as const,
      woNumber: "12345678901",
      locationId: "99",
      siteCode: "BK5",
      pocName: "Jordan",
      pocPhone: "555-0100",
    };
    expect(canCreateWorkOrderFromWizard(draft)).toBe(true);
    expect(isWizardStepValid(2, draft)).toBe(true);
  });

  it("does not require Appt Time for wizard step 3 or create", () => {
    const draft = {
      ...EMPTY_WIZARD_DRAFT,
      type: "PM" as const,
      woNumber: "12345678901",
      locationId: "99",
      siteCode: "BK5",
      pocName: "Jordan",
      pocPhone: "555-0100",
      apptStart: "",
      apptEnd: "",
    };
    expect(isWizardStepValid(3, draft)).toBe(true);
    expect(canCreateWorkOrderFromWizard(draft)).toBe(true);
  });

  it("allows provisional SH-prefixed woNumber", () => {
    const draft = {
      ...EMPTY_WIZARD_DRAFT,
      type: "PM" as const,
      woNumber: "SH12345",
    };
    expect(isWizardWoNumberValid(draft.woNumber)).toBe(true);
    expect(canContinueWizardStep1(draft)).toBe(true);
  });

  it("accepts whitespace-only woNumber for backend SH generation", () => {
    const draft = {
      ...EMPTY_WIZARD_DRAFT,
      type: "PM" as const,
      woNumber: "   ",
    };
    expect(isWizardWoNumberValid(draft.woNumber)).toBe(true);
    expect(canContinueWizardStep1(draft)).toBe(true);
  });

  it("rejects non-alphanumeric woNumber", () => {
    expect(isWizardWoNumberValid("!!!")).toBe(false);
    expect(canContinueWizardStep1({ ...EMPTY_WIZARD_DRAFT, type: "PM", woNumber: "!!!" })).toBe(
      false,
    );
  });

  it("accepts alphanumeric woNumber", () => {
    expect(isWizardWoNumberValid("ABC123")).toBe(true);
  });

  it("hints alphanumeric WO number or severity when step 1 is incomplete", () => {
    expect(wizardStep1ContinueHint(EMPTY_WIZARD_DRAFT)).toBeNull();
    expect(wizardStep1ContinueHint({ ...EMPTY_WIZARD_DRAFT, type: "PM", woNumber: "!!!" })).toBe(
      "WO number must be alphanumeric",
    );
    expect(wizardStep1ContinueHint({ ...EMPTY_WIZARD_DRAFT, type: "Emergency" })).toBe(
      "Select severity to continue",
    );
  });
});