const API_BASE = '/api/v1/admin'

export const api = {
  async login(username, password) {
    const res = await fetch(`${API_BASE}/login`, {
      method: 'POST',
      headers: { 'Content-Type': 'application/json' },
      body: JSON.stringify({ username, password }),
    })
    if (!res.ok) {
      const err = await res.json()
      throw new Error(err.detail || 'Login failed')
    }
    return res.json()
  },

  async uploadApp(file, onProgress) {
    const token = localStorage.getItem('auth_token')
    const formData = new FormData()
    formData.append('file', file)

    return new Promise((resolve, reject) => {
      const xhr = new XMLHttpRequest()
      xhr.open('POST', `${API_BASE}/apps/upload`)
      xhr.setRequestHeader('Authorization', `Bearer ${token}`)

      xhr.upload.onprogress = (e) => {
        if (e.lengthComputable && onProgress) {
          onProgress(Math.round((e.loaded / e.total) * 100))
        }
      }

      xhr.onload = () => {
        if (xhr.status >= 200 && xhr.status < 300) {
          resolve(JSON.parse(xhr.responseText))
        } else {
          try {
            const err = JSON.parse(xhr.responseText)
            reject(new Error(err.detail || 'Upload failed'))
          } catch {
            reject(new Error('Upload failed'))
          }
        }
      }

      xhr.onerror = () => reject(new Error('Network error'))
      xhr.send(formData)
    })
  },

  async getApps() {
    const res = await fetch('/api/v1/apps')
    if (!res.ok) throw new Error('Failed to fetch apps')
    return res.json()
  },
}