/**
 * 文件系统相关 API
 */
import request from '@/utils/request'

/**
 * 获取项目目录树
 */
export function getProjectTree(projectId) {
  return request({
    url: `/files/${projectId}/tree`,
    method: 'get',
  })
}

/**
 * 获取文件内容
 */
export function getFileContent(projectId, path) {
  // 直接在 URL 中拼接参数，避免 axios 自动编码
  // 手动编码一次，确保不会双重编码
  const encodedPath = encodeURIComponent(path)

  return request({
    url: `/files/${projectId}/file?path=${encodedPath}`,
    method: 'get',
  })
}

/**
 * 保存文件内容
 */
export function saveFile(projectId, data) {
  return request({
    url: `/files/${projectId}/file`,
    method: 'post',
    data,
  })
}

/**
 * 文件操作（重命名/删除/创建）
 */
export function operateFile(projectId, data) {
  return request({
    url: `/files/${projectId}/file/operate`,
    method: 'post',
    data,
  })
}

/**
 * 上传文件
 */
export function uploadFile(projectId, file, subfolder = 'images') {
  const formData = new FormData()
  formData.append('file', file)

  return request({
    url: `/files/${projectId}/upload?subfolder=${subfolder}`,
    method: 'post',
    data: formData,
    headers: {
      'Content-Type': 'multipart/form-data',
    },
  })
}

/**
 * 获取资源文件 URL（公开访问，支持分享）
 */
export function getAssetUrl(projectId, subfolder, filename) {
  return `/api/v1/files/${projectId}/assets/${subfolder}/${filename}`
}

/**
 * 批量导入Markdown文档
 */
export function importDocuments(projectId, files, targetPath = '') {
  const formData = new FormData()
  files.forEach((file) => {
    formData.append('files', file)
  })

  return request({
    url: `/files/${projectId}/import-documents?target_path=${targetPath}`,
    method: 'post',
    data: formData,
    headers: {
      'Content-Type': 'multipart/form-data',
    },
  })
}

/**
 * 导出目录为ZIP
 */
export function exportDirectory(projectId, directoryPath = '') {
  return request({
    url: `/files/${projectId}/export-directory`,
    method: 'get',
    params: { directory_path: directoryPath },
    responseType: 'blob',
  })
}

/**
 * 上传文档文件（PDF等）
 */
export function uploadDocument(projectId, file, targetDir = '') {
  const formData = new FormData()
  formData.append('file', file)

  return request({
    url: `/files/${projectId}/upload-document?target_dir=${encodeURIComponent(targetDir)}`,
    method: 'post',
    data: formData,
    headers: {
      'Content-Type': 'multipart/form-data',
    },
  })
}

/**
 * 获取文档文件URL（PDF等）
 */
export function getDocumentUrl(projectId, path) {
  // 将路径的每个部分分别编码，但保留斜杠
  const encodedPath = path.split('/').map(part => encodeURIComponent(part)).join('/')
  return `/api/v1/files/${projectId}/document/${encodedPath}`
}