import { describe, expect, it } from "vitest"

import { dictionaries, getDictionary } from "@/i18n/dictionaries"

describe("admin users unified form dictionary", () => {
  it("provides unified form Person field keys in English admin.users.form", () => {
    const form = getDictionary("en").admin.users.form

    expect(form.firstNameLabel).toBe("First Name")
    expect(form.firstNamePlaceholder).toBe("First name")
    expect(form.lastNameLabel).toBe("Last Name")
    expect(form.lastNamePlaceholder).toBe("Last name")
    expect(form.departmentLabel).toBe("Department")
    expect(form.departmentPlaceholder).toBe("Select a department")
    expect(form.phoneLabel).toBe("Phone")
    expect(form.phonePlaceholder).toBe("Phone")
  })

  it("provides unified form Person field keys in Spanish admin.users.form", () => {
    const form = getDictionary("es").admin.users.form

    expect(form.firstNameLabel).toBe("Nombre")
    expect(form.firstNamePlaceholder).toBe("Nombre")
    expect(form.lastNameLabel).toBe("Apellido")
    expect(form.lastNamePlaceholder).toBe("Apellido")
    expect(form.departmentLabel).toBe("Departamento")
    expect(form.departmentPlaceholder).toBe("Selecciona un departamento")
    expect(form.phoneLabel).toBe("Teléfono")
    expect(form.phonePlaceholder).toBe("Teléfono")
  })

  it("maintains structural parity for admin.users.form between English and Spanish after Person keys", () => {
    const enKeys = extractKeyPaths(dictionaries.en.admin.users.form)
    const esKeys = extractKeyPaths(dictionaries.es.admin.users.form)

    expect(esKeys).toEqual(enKeys)
  })
})

function extractKeyPaths(value: unknown, prefix = ""): string[] {
  if (!isPlainObject(value)) return [prefix]

  return Object.keys(value)
    .sort()
    .flatMap((key) =>
      extractKeyPaths(value[key], prefix ? `${prefix}.${key}` : key),
    )
}

function isPlainObject(value: unknown): value is Record<string, unknown> {
  return typeof value === "object" && value !== null && !Array.isArray(value)
}