/**
 * auth API 纯函数测试
 * - normalizeUser
 */
import { describe, it, expect } from "vitest"
import { normalizeUser } from "@/api/auth"

describe("normalizeUser", () => {
  it("应该正确映射标准用户数据", () => {
    const input = {
      id: "123",
      user_id: "123",
      email: "test@example.com",
      username: "testuser",
      display_name: "Test User",
      is_email_verified: true,
      email_verified: true,
      created_at: "2024-01-01T00:00:00Z",
    }

    const result = normalizeUser(input)

    expect(result.id).toBe("123")
    expect(result.user_id).toBe("123")
    expect(result.email).toBe("test@example.com")
    expect(result.username).toBe("testuser")
    expect(result.display_name).toBe("Test User")
    expect(result.is_email_verified).toBe(true)
    expect(result.email_verified).toBe(true)
    expect(result.created_at).toBe("2024-01-01T00:00:00Z")
  })

  it("id 优先于 user_id", () => {
    const input = {
      id: "id-from-id",
      user_id: "id-from-user-id",
      email: "a@b.com",
      username: "user",
    }

    const result = normalizeUser(input)
    expect(result.id).toBe("id-from-id")
    expect(result.user_id).toBe("id-from-id")
  })

  it("没有 id 时使用 user_id", () => {
    const input = {
      user_id: "fallback-user-id",
      email: "a@b.com",
      username: "user",
    }

    const result = normalizeUser(input as any)
    expect(result.id).toBe("fallback-user-id")
    expect(result.user_id).toBe("fallback-user-id")
  })

  it("id 和 user_id 都没有时返回空字符串", () => {
    const input = {
      email: "a@b.com",
      username: "user",
    }

    const result = normalizeUser(input as any)
    expect(result.id).toBe("")
    expect(result.user_id).toBe("")
  })

  it("is_email_verified 优先于 email_verified", () => {
    const input = {
      id: "1",
      email: "a@b.com",
      username: "user",
      is_email_verified: true,
      email_verified: false,
    }

    const result = normalizeUser(input)
    expect(result.is_email_verified).toBe(true)
    expect(result.email_verified).toBe(true)
  })

  it("没有 is_email_verified 时使用 email_verified", () => {
    const input = {
      id: "1",
      email: "a@b.com",
      username: "user",
      email_verified: true,
    }

    const result = normalizeUser(input as any)
    expect(result.is_email_verified).toBe(true)
    expect(result.email_verified).toBe(true)
  })

  it("两个都没有时默认为 false", () => {
    const input = {
      id: "1",
      email: "a@b.com",
      username: "user",
    }

    const result = normalizeUser(input as any)
    expect(result.is_email_verified).toBe(false)
    expect(result.email_verified).toBe(false)
  })

  it("缺失可选字段时返回 undefined", () => {
    const input = {
      id: "1",
      email: "a@b.com",
      username: "user",
    }

    const result = normalizeUser(input as any)
    expect(result.display_name).toBeUndefined()
    expect(result.created_at).toBeUndefined()
  })
})