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

import {
  buildUnifiedCreateSchema,
  unifiedFormRoleSchema,
  type UnifiedSchemaCopy,
} from "@/schemas/user.schema"

const enCopy: UnifiedSchemaCopy = {
  firstNameRequired: "First name is required",
  lastNameRequired: "Last name is required",
  departmentRequired: "Department is required",
  emailInvalid: "Invalid email",
  passwordMinLength: "Password must be at least 8 characters",
  nameRequired: "Name is required",
  userIdRequired: "User id is required",
  idRequired: "ID is required",
  userIdInvalid: "User ID must be a valid UUID",
}

const esCopy: UnifiedSchemaCopy = {
  firstNameRequired: "El nombre es obligatorio",
  lastNameRequired: "El apellido es obligatorio",
  departmentRequired: "El departamento es obligatorio",
  emailInvalid: "Correo electrónico no válido",
  passwordMinLength: "La contraseña debe tener al menos 8 caracteres",
  nameRequired: "El nombre es obligatorio",
  userIdRequired: "El ID de usuario es obligatorio",
  idRequired: "El ID es obligatorio",
  userIdInvalid: "El ID de usuario debe ser un UUID válido",
}

const validPersonOnlyData = {
  firstName: "John",
  lastName: "Doe",
  department: "IT",
  email: "john@example.test",
  phone: null,
  role: "NO_USER" as const,
  password: undefined,
  isActive: true,
}

const validPersonWithUserData = {
  firstName: "Jane",
  lastName: "Smith",
  department: "ENGINEERING",
  email: "jane@example.test",
  phone: "1234567890",
  role: "ADMIN" as const,
  password: "securepassword",
  isActive: true,
}

describe("unifiedFormRoleSchema", () => {
  it("accepts all standard roles plus NO_USER", () => {
    const roles = ["ADMIN", "MANAGER", "STAFF", "VIEWER", "NO_USER"]
    for (const role of roles) {
      expect(unifiedFormRoleSchema.safeParse(role).success).toBe(true)
    }
  })

  it("rejects invalid roles", () => {
    const result = unifiedFormRoleSchema.safeParse("SUPER_ADMIN")
    expect(result.success).toBe(false)
  })
})

describe("buildUnifiedCreateSchema", () => {
  describe("with NO_USER role (person-only creation)", () => {
    it("accepts valid data without password when role is NO_USER", () => {
      const schema = buildUnifiedCreateSchema(enCopy)
      const result = schema.safeParse(validPersonOnlyData)

      expect(result.success).toBe(true)
      if (result.success) {
        expect(result.data.firstName).toBe("John")
        expect(result.data.lastName).toBe("Doe")
        expect(result.data.role).toBe("NO_USER")
        expect(result.data.password).toBeUndefined()
      }
    })

    it("accepts valid data with empty string password when role is NO_USER", () => {
      const schema = buildUnifiedCreateSchema(enCopy)
      const result = schema.safeParse({
        ...validPersonOnlyData,
        password: "",
      })

      expect(result.success).toBe(true)
    })

    it("uses localized error messages for required fields", () => {
      const schema = buildUnifiedCreateSchema(esCopy)
      const result = schema.safeParse({
        firstName: "",
        lastName: "",
        department: "",
        email: "not-an-email",
        role: "NO_USER",
        phone: null,
        isActive: true,
      })

      expect(result.success).toBe(false)
      if (!result.success) {
        const errors = result.error.flatten().fieldErrors
        expect(errors.firstName).toContain(esCopy.firstNameRequired)
        expect(errors.lastName).toContain(esCopy.lastNameRequired)
        expect(errors.department).toContain(esCopy.departmentRequired)
        expect(errors.email).toContain(esCopy.emailInvalid)
      }
    })
  })

  describe("with a real User role (person + user creation)", () => {
    it("accepts valid data with password when role is ADMIN", () => {
      const schema = buildUnifiedCreateSchema(enCopy)
      const result = schema.safeParse(validPersonWithUserData)

      expect(result.success).toBe(true)
      if (result.success) {
        expect(result.data.firstName).toBe("Jane")
        expect(result.data.role).toBe("ADMIN")
        expect(result.data.password).toBe("securepassword")
      }
    })

    it("accepts valid data with password for all real roles", () => {
      const schema = buildUnifiedCreateSchema(enCopy)
      for (const role of ["ADMIN", "MANAGER", "STAFF", "VIEWER"] as const) {
        const result = schema.safeParse({
          ...validPersonWithUserData,
          role,
        })
        expect(result.success).toBe(true)
      }
    })

    it("rejects short password when role is not NO_USER", () => {
      const schema = buildUnifiedCreateSchema(enCopy)
      const result = schema.safeParse({
        ...validPersonWithUserData,
        password: "short",
      })

      expect(result.success).toBe(false)
      if (!result.success) {
        const errors = result.error.flatten().fieldErrors
        expect(errors.password).toContain(enCopy.passwordMinLength)
      }
    })

    it("rejects missing password when role is not NO_USER", () => {
      const schema = buildUnifiedCreateSchema(enCopy)
      const result = schema.safeParse({
        ...validPersonWithUserData,
        password: undefined,
      })

      expect(result.success).toBe(false)
      if (!result.success) {
        const errors = result.error.flatten().fieldErrors
        expect(errors.password).toContain(enCopy.passwordMinLength)
      }
    })

    it("rejects empty string password when role is not NO_USER", () => {
      const schema = buildUnifiedCreateSchema(enCopy)
      const result = schema.safeParse({
        ...validPersonWithUserData,
        password: "",
      })

      expect(result.success).toBe(false)
      if (!result.success) {
        const errors = result.error.flatten().fieldErrors
        expect(errors.password).toContain(enCopy.passwordMinLength)
      }
    })

    it("uses localized password error message", () => {
      const schema = buildUnifiedCreateSchema(esCopy)
      const result = schema.safeParse({
        firstName: "Jane",
        lastName: "Smith",
        department: "ENGINEERING",
        email: "jane@example.test",
        role: "ADMIN",
        password: "corta",
        phone: null,
        isActive: true,
      })

      expect(result.success).toBe(false)
      if (!result.success) {
        const errors = result.error.flatten().fieldErrors
        expect(errors.password).toContain(esCopy.passwordMinLength)
      }
    })
  })

  describe("email validation", () => {
    it("rejects invalid email format", () => {
      const schema = buildUnifiedCreateSchema(enCopy)
      const result = schema.safeParse({
        ...validPersonOnlyData,
        email: "not-an-email",
      })

      expect(result.success).toBe(false)
      if (!result.success) {
        expect(result.error.flatten().fieldErrors.email).toContain(
          enCopy.emailInvalid,
        )
      }
    })

    it("accepts valid email", () => {
      const schema = buildUnifiedCreateSchema(enCopy)
      const result = schema.safeParse({
        ...validPersonOnlyData,
        email: "valid@example.com",
      })

      expect(result.success).toBe(true)
    })
  })

  describe("department validation", () => {
    it("rejects invalid department", () => {
      const schema = buildUnifiedCreateSchema(enCopy)
      const result = schema.safeParse({
        ...validPersonOnlyData,
        department: "INVALID_DEPT",
      })

      expect(result.success).toBe(false)
    })

    it("accepts valid departments", () => {
      const schema = buildUnifiedCreateSchema(enCopy)
      const validDepartments = [
        "IT",
        "ENGINEERING",
        "TRAFFIC",
        "DRIVER",
        "LOGISTICS",
        "ADMINISTRATION",
        "SALES",
        "OTHER",
      ]
      for (const dept of validDepartments) {
        const result = schema.safeParse({
          ...validPersonOnlyData,
          department: dept,
        })
        expect(result.success).toBe(true)
      }
    })
  })
})