import request from '@/utils/request'

// 教材管理：教材信息（JCXX 实体）
// 接口依据 api.txt：/teachingMaterial/*（前端 baseURL 为 /api，此处不重复 /api 前缀）

/**
 * 教材信息分页查询
 * GET /teachingMaterial/list
 * 查询参数（TeachingMaterialMapper.xml 支持）：bh/mc/isbn/cbs/zz 模糊，jcfl/jclx 等值，ty 等值
 */
export function listTeachingMaterial(params) {
  return request({
    url: '/teachingMaterial/list',
    method: 'get',
    params
  })
}

/** 根据编号查询 GET /teachingMaterial/getByBh?bh= */
export function getTeachingMaterialByBh(bh) {
  return request({
    url: '/teachingMaterial/getByBh',
    method: 'get',
    params: { bh }
  })
}

/** 根据ID查询 GET /teachingMaterial/getById?id= */
export function getTeachingMaterialById(id) {
  return request({
    url: '/teachingMaterial/getById',
    method: 'get',
    params: { id }
  })
}

/** 新增教材信息 POST /teachingMaterial/add */
export function addTeachingMaterial(data) {
  return request({
    url: '/teachingMaterial/add',
    method: 'post',
    data
  })
}

/** 根据ID修改 POST /teachingMaterial/update（body 需携带 id） */
export function updateTeachingMaterial(data) {
  return request({
    url: '/teachingMaterial/update',
    method: 'post',
    data
  })
}

/** 删除 POST /teachingMaterial/delete?id= */
export function deleteTeachingMaterial(id) {
  return request({
    url: '/teachingMaterial/delete',
    method: 'post',
    params: { id }
  })
}

/** 教材导入模板下载 GET /download/teaching-material */
export function downloadTeachingMaterialTemplate() {
  return request({
    url: '/download/teaching-material',
    method: 'get',
    responseType: 'blob'
  })
}

/** 教材导入 POST /teachingMaterial/import（form-data，字段名 file） */
export function importTeachingMaterial(file) {
  const formData = new FormData()
  formData.append('file', file)
  return request({
    url: '/teachingMaterial/import',
    method: 'post',
    data: formData,
    headers: { 'Content-Type': 'multipart/form-data' }
  })
}