import { describe, expect, it } from "vitest";
import { formatBoardAuditAction } from "@/domain/work-orders/utils/format-board-audit-action";

describe("formatBoardAuditAction", () => {
  it("keeps human sentences from action as-is", () => {
    expect(
      formatBoardAuditAction({
        action: 'Changed status to "Incomplete"',
        fieldName: "",
        oldValue: "",
        newValue: "",
      }),
    ).toBe('Changed status to "Incomplete"');
  });

  it("formats lifecycle status from field/newValue", () => {
    expect(
      formatBoardAuditAction({
        action: "StatusChanged",
        fieldName: "LifecycleStatus",
        oldValue: "Scheduled",
        newValue: "Incomplete",
      }),
    ).toBe('Changed status from "Scheduled" to "Incomplete"');
  });

  it("includes the previous status in the audit sentence when present", () => {
    const sentence = formatBoardAuditAction({
      action: "StatusChanged",
      fieldName: "LifecycleStatus",
      oldValue: "Pending",
      newValue: "En Route",
    });
    expect(sentence).toBe('Changed status from "Pending" to "En Route"');
  });

  it("omits from when the previous status is empty", () => {
    expect(
      formatBoardAuditAction({
        action: "StatusChanged",
        fieldName: "LifecycleStatus",
        oldValue: "",
        newValue: "Scheduled",
      }),
    ).toBe('Changed status to "Scheduled"');
  });

  it("formats WeekRolled / CarriedOver with increment", () => {
    expect(
      formatBoardAuditAction({
        action: "WeekRolled",
        fieldName: "CarriedOver",
        oldValue: "0",
        newValue: "1",
      }),
    ).toBe("Carried over to the next week (increment #1)");
  });

  it("formats schedule changes", () => {
    expect(
      formatBoardAuditAction({
        action: "Rescheduled",
        fieldName: "ScheduledDate",
        oldValue: "2026-07-10",
        newValue: "2026-07-16",
      }),
    ).toBe('Changed schedule to "07/16/2026"');
  });

  it("formats appt time ISO range as mm/dd/yyyy", () => {
    expect(
      formatBoardAuditAction({
        action: "ApptTimeChanged",
        fieldName: "ApptTime",
        oldValue: "",
        newValue: "2026-07-13T05:30:00.0000000|2026-07-13T07:00:00.0000000",
      }),
    ).toBe('Changed appt time to "07/13/2026"');
  });

  it("formats past due system message", () => {
    expect(
      formatBoardAuditAction({
        action: "MarkedPastDue",
        fieldName: "IsPastDue",
        oldValue: "false",
        newValue: "true",
      }),
    ).toBe("WO marked as Past Due. Schedule On has passed without completion.");
  });

  it("formats type correction with the previous and new type (SH-363)", () => {
    expect(
      formatBoardAuditAction({
        action: "FieldChanged",
        fieldName: "WorkOrderType",
        oldValue: "PM",
        newValue: "Reactive",
      }),
    ).toBe('Changed Type from "PM" to "Reactive"');
  });

  it("formats a first type assignment without a from clause", () => {
    expect(
      formatBoardAuditAction({
        action: "FieldChanged",
        fieldName: "WorkOrderType",
        oldValue: "",
        newValue: "Emergency",
      }),
    ).toBe('Changed Type to "Emergency"');
  });

  it("formats severity with the previous and new SEV labels", () => {
    expect(
      formatBoardAuditAction({
        action: "FieldChanged",
        fieldName: "Severity",
        oldValue: "3",
        newValue: "1",
      }),
    ).toBe('Changed Severity from "SEV 3" to "SEV 1"');
  });

  it("formats severity cleared by a type correction instead of a raw FieldChanged (SH-363)", () => {
    expect(
      formatBoardAuditAction({
        action: "FieldChanged",
        fieldName: "Severity",
        oldValue: "3",
        newValue: "",
      }),
    ).toBe('Changed Severity from "SEV 3" to "—"');
  });

  it("never renders a raw audit action enum for a cleared unknown field", () => {
    const cleared = formatBoardAuditAction({
      action: "FieldChanged",
      fieldName: "VendorNte",
      oldValue: "100",
      newValue: "",
    });
    const empty = formatBoardAuditAction({
      action: "FieldChanged",
      fieldName: "VendorNte",
      oldValue: "",
      newValue: "",
    });

    expect(cleared).toBe('Changed vendor nte from "100" to "—"');
    expect(empty).toBe("Updated vendor nte");
    expect([cleared, empty]).not.toContain("FieldChanged");
  });

  it("falls back to from → to for unknown fields", () => {
    expect(
      formatBoardAuditAction({
        action: "FieldPatched",
        fieldName: "VendorNte",
        oldValue: "100",
        newValue: "250",
      }),
    ).toBe('Changed vendor nte from "100" to "250"');
  });

  it("formats JSON array values as comma-separated quoted items", () => {
    expect(
      formatBoardAuditAction({
        action: "FieldPatched",
        fieldName: "ExtraServices",
        oldValue: "",
        newValue: '["Other","Installation","Preventive Maintenance"]',
      }),
    ).toBe('Changed extra services to "Other", "Installation", "Preventive Maintenance"');
  });

  it("formats AssignmentChanged as AAP Assigned To copy", () => {
    expect(
      formatBoardAuditAction({
        action: "AssignmentChanged",
        fieldName: "AssignTo",
        oldValue: "Unassigned",
        newValue: "Morgan Blake",
      }),
    ).toBe('Changed Assigned To to "Morgan Blake"');
  });

  it("formats empty AssignTo as an em dash", () => {
    expect(
      formatBoardAuditAction({
        action: "AssignmentChanged",
        fieldName: "AssignedTo",
        oldValue: "Morgan Blake",
        newValue: "",
      }),
    ).toBe('Changed Assigned To to "—"');
  });

  it("falls back to Updated work order when empty", () => {
    expect(
      formatBoardAuditAction({
        action: "",
        fieldName: "Something",
        oldValue: "",
        newValue: "",
      }),
    ).toBe("Updated work order");
  });
});