import { describe, expect, it } from "vitest";
import type { WorkOrderDetail } from "@/domain/work-orders/types/work-order-detail";
import type { WoClosabilityInput } from "@/domain/work-orders/utils/wo-closability";
import {
  detailToClosabilityInput,
  formatClosabilityMissingTitle,
  getClosabilityGaps,
  isRealWoNumber,
  wizardDraftToClosabilityInput,
} from "@/domain/work-orders/utils/wo-closability";
import { EMPTY_WIZARD_DRAFT } from "@/domain/work-orders/types/work-order-wizard";

function makeInput(overrides: Partial<WoClosabilityInput> = {}): WoClosabilityInput {
  return {
    dispatcherId: "u1",
    dispatcherName: "Alice",
    company: "ACME",
    tech: "Bob",
    completedDate: "2026-07-15",
    woNumber: "20260623001",
    pm: "HVAC",
    docStatus: "Yes",
    mediaCount: 2,
    type: "PM",
    ...overrides,
  };
}

describe("isRealWoNumber", () => {
  it("rejects empty and SH-prefixed placeholders", () => {
    expect(isRealWoNumber("")).toBe(false);
    expect(isRealWoNumber("   ")).toBe(false);
    expect(isRealWoNumber("SH-123")).toBe(false);
    expect(isRealWoNumber("sh999")).toBe(false);
  });

  it("accepts non-SH numbers", () => {
    expect(isRealWoNumber("20260623001")).toBe(true);
    expect(isRealWoNumber(" 42 ")).toBe(true);
  });
});

describe("getClosabilityGaps", () => {
  it("returns empty when all requirements are met", () => {
    expect(getClosabilityGaps(makeInput())).toEqual([]);
  });

  it("lists universal gaps", () => {
    expect(
      getClosabilityGaps(
        makeInput({
          dispatcherId: "",
          dispatcherName: "",
          company: "",
          tech: "",
          completedDate: "",
          woNumber: "SH-1",
          pm: "",
        }),
      ),
    ).toEqual(["Dispatcher", "Company", "Completed Date", "WO number", "Service"]);
  });

  it("treats dispatcherName alone as sufficient", () => {
    expect(getClosabilityGaps(makeInput({ dispatcherId: "", dispatcherName: "Alice" }))).toEqual(
      [],
    );
  });

  it("allows company without technician (SH-183)", () => {
    const gaps = getClosabilityGaps(makeInput({ company: "ACME", tech: "" }));
    expect(gaps).toEqual([]);
    expect(gaps).not.toContain("Technician");
    expect(gaps).not.toContain("Company");
  });

  it("blocks missing company even when technician is set", () => {
    expect(getClosabilityGaps(makeInput({ company: "", tech: "Bob" }))).toEqual(["Company"]);
    expect(getClosabilityGaps(makeInput({ company: "  ", tech: "Bob" }))).toEqual(["Company"]);
  });

  it("requires completion document for PM and Overdue", () => {
    expect(getClosabilityGaps(makeInput({ type: "PM", docStatus: "No" }))).toEqual([
      "Completion document",
    ]);
    expect(getClosabilityGaps(makeInput({ type: "Overdue", docStatus: "" }))).toEqual([
      "Completion document",
    ]);
    expect(getClosabilityGaps(makeInput({ type: "PM", docStatus: "NN" }))).toEqual([]);
    expect(getClosabilityGaps(makeInput({ type: "Overdue", docStatus: "Yes" }))).toEqual([]);
  });

  it("requires at least one photo for Emergency and Reactive", () => {
    expect(
      getClosabilityGaps(makeInput({ type: "Emergency", mediaCount: 0, docStatus: "No" })),
    ).toEqual(["At least 1 photo"]);
    expect(getClosabilityGaps(makeInput({ type: "Reactive", mediaCount: 0 }))).toEqual([
      "At least 1 photo",
    ]);
    expect(
      getClosabilityGaps(makeInput({ type: "Emergency", mediaCount: 1, docStatus: "No" })),
    ).toEqual([]);
  });

  it("blocks missing service on every type", () => {
    expect(getClosabilityGaps(makeInput({ type: "Reactive", pm: "", mediaCount: 1 }))).toEqual([
      "Service",
    ]);
    expect(getClosabilityGaps(makeInput({ type: "PM", pm: "  ", docStatus: "Yes" }))).toEqual([
      "Service",
    ]);
  });
});

describe("formatClosabilityMissingTitle", () => {
  it("joins gaps for tooltip copy", () => {
    expect(formatClosabilityMissingTitle(["Dispatcher", "Service"])).toBe(
      "Missing: Dispatcher, Service",
    );
  });
});

describe("wizardDraftToClosabilityInput", () => {
  it("maps vendorName to company and leaves tech empty", () => {
    const input = wizardDraftToClosabilityInput({
      ...EMPTY_WIZARD_DRAFT,
      assigneeId: "u1",
      assigneeName: "Alice",
      vendorName: "ACME",
      woNumber: "20260623001",
      pm: "HVAC",
      type: "PM",
    });

    expect(input).toEqual({
      dispatcherId: "u1",
      dispatcherName: "Alice",
      company: "ACME",
      tech: "",
      completedDate: "",
      woNumber: "20260623001",
      pm: "HVAC",
      docStatus: "",
      mediaCount: 0,
      type: "PM",
    });
    expect(getClosabilityGaps(input)).toContain("Completed Date");
    expect(getClosabilityGaps(input)).toContain("Completion document");
    expect(getClosabilityGaps(input)).not.toContain("Company");
    expect(getClosabilityGaps(input)).not.toContain("Technician");
  });

  it("blocks Completed for a sparse create draft", () => {
    const gaps = getClosabilityGaps(wizardDraftToClosabilityInput(EMPTY_WIZARD_DRAFT));
    expect(gaps.length).toBeGreaterThan(0);
    expect(gaps).toEqual(
      expect.arrayContaining(["Dispatcher", "Company", "Completed Date", "WO number", "Service"]),
    );
    expect(gaps).not.toContain("Technician");
  });
});

describe("detailToClosabilityInput", () => {
  it("maps problem/source and vendorName so Done is not permanently blocked", () => {
    const detail = {
      assignedTo: "Alice",
      completedDate: "2026-07-15",
      workOrderNumber: "20260623001",
      internalWONumber: "SH-1",
      problem: "HVAC PM",
      source: "Add-On",
      dispatches: [{ vendorName: "ACME Tech" }],
    } as WorkOrderDetail;

    const input = detailToClosabilityInput(detail);
    expect(input.dispatcherName).toBe("Alice");
    expect(input.company).toBe("ACME Tech");
    expect(input.tech).toBe("");
    expect(input.completedDate).toBe("2026-07-15");
    expect(input.woNumber).toBe("20260623001");
    expect(input.pm).toBe("HVAC PM");
    expect(input.type).toBe("Add-On");
    expect(getClosabilityGaps(input)).not.toContain("Service");
    expect(getClosabilityGaps(input)).not.toContain("Company");
    expect(getClosabilityGaps(input)).not.toContain("Technician");
    expect(getClosabilityGaps(input)).toEqual([]);
  });

  it("fails closed on missing service when problem is empty", () => {
    const detail = {
      assignedTo: "Alice",
      completedDate: "2026-07-15",
      workOrderNumber: "20260623001",
      internalWONumber: "SH-1",
      problem: "",
      source: "Reactive",
      dispatches: [{ vendorName: "ACME Tech" }],
    } as WorkOrderDetail;

    const input = detailToClosabilityInput(detail);
    expect(input.pm).toBe("");
    expect(input.type).toBe("Reactive");
    expect(getClosabilityGaps(input)).toContain("Service");
  });
});