import { createRequire } from 'node:module'
import { describe, expect, it, vi } from 'vitest'

const require = createRequire(import.meta.url)
const {
  isTextBuildFile,
  resolveH5BuildPolicy,
  tencentMapKeyPlaceholder
} = require('../../scripts/finalize-h5-build-policy.cjs') as {
  isTextBuildFile: (filePath: string) => boolean
  resolveH5BuildPolicy: (options: {
    args?: string[]
    projectRoot: string
    environment?: Record<string, string | undefined>
    loadProductionEnv?: (root: string) => Record<string, string | undefined>
  }) => {
    allowPlaceholder: boolean
    requireTencentMapKey: boolean
    tencentMapKey: string
  }
  tencentMapKeyPlaceholder: string
}

const projectRoot = 'C:/museum-guide'
const validTencentMapKey = 'ABCDE-FGHIJ-KLMNO-PQRST-UVWXY-12345'

describe('finalize H5 build policy', () => {
  it('keeps test builds isolated from production map credentials', () => {
    const loadProductionEnv = vi.fn(() => ({
      VITE_TENCENT_MAP_KEY: validTencentMapKey
    }))

    expect(resolveH5BuildPolicy({
      args: ['--allow-placeholder'],
      projectRoot,
      environment: { VITE_TENCENT_MAP_KEY: validTencentMapKey },
      loadProductionEnv
    })).toEqual({
      allowPlaceholder: true,
      requireTencentMapKey: false,
      tencentMapKey: ''
    })
    expect(loadProductionEnv).not.toHaveBeenCalled()
  })

  it('loads a well-formed production key only for the production gate', () => {
    const loadProductionEnv = vi.fn(() => ({
      VITE_TENCENT_MAP_KEY: validTencentMapKey
    }))

    expect(resolveH5BuildPolicy({
      args: ['--require-tencent-map-key'],
      projectRoot,
      environment: {},
      loadProductionEnv
    })).toEqual({
      allowPlaceholder: false,
      requireTencentMapKey: true,
      tencentMapKey: validTencentMapKey
    })
    expect(loadProductionEnv).toHaveBeenCalledWith(projectRoot)
  })

  it('rejects conflicting flags, placeholders, and malformed production keys', () => {
    expect(() => resolveH5BuildPolicy({
      args: ['--allow-placeholder', '--require-tencent-map-key'],
      projectRoot,
      environment: {}
    })).toThrow('cannot require a Tencent map key')

    for (const key of ['', tencentMapKeyPlaceholder, 'fake-key']) {
      expect(() => resolveH5BuildPolicy({
        args: ['--require-tencent-map-key'],
        projectRoot,
        environment: { VITE_TENCENT_MAP_KEY: key },
        loadProductionEnv: () => ({})
      })).toThrow('well-formed non-placeholder')
    }
  })

  it('scans source maps as text build artifacts', () => {
    expect(isTextBuildFile('assets/index.js.map')).toBe(true)
    expect(isTextBuildFile('assets/index.js')).toBe(true)
    expect(isTextBuildFile('assets/model.glb')).toBe(false)
  })
})