/*

  Based on the markdown-it-wikilinks, which is distributed under the MIT license.

  https://github.com/jsepia/markdown-it-wikilinks @ 79fe609a03917f7df11128231118a66a559076d0
  
  Copyright (c) 2016 Julio Sepia

  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  SOFTWARE.

*/

const Plugin = require('markdown-it-regexp')

module.exports = new Plugin(/\[\[([\w'\s/]+)(\|([\w'\s/]+))?\]\]/, match => {
    let label = ""
    let page = ""

    if (match[3] != null) {
      label = match[3]
      page = encodeURIComponent(match[1])
    } else {
      label = match[1]
      page = encodeURIComponent(label)
    }

    if (label == "" || page == "") {
      return match.input
    }

    return `<a class="wiki-link" href="https://wiki.aiterp.net?title=${page}">${label}</a>`
  }
)