// Copyright (C) 2017 GerritForge Ltd
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package com.gerritforge.analytics.gitcommits.model

import com.google.gerrit.extensions.api.GerritApi
import com.google.inject.Inject
import org.json4s.native.JsonMethods.parse

import scala.io.Source
import scala.util.Try

case class GerritProject(id: String, name: String)

class GerritProjectsSupport @Inject()(gerritApi: GerritApi) {

  def getProject(projectName: String): Try[GerritProject] = {
    val projectApi = gerritApi.projects().name(projectName)
    Try {
      val project = projectApi.get()
      GerritProject(project.id, project.name)
    }
  }
}

object GerritProjectsSupport {

  val GERRIT_PREFIX = ")]}'\n"
  private val GERRIT_PREFIX_LEN = GERRIT_PREFIX.length

  def parseJsonProjectListResponse(jsonSource: Source): Seq[GerritProject] = {
    parse(jsonSource.drop(GERRIT_PREFIX_LEN).mkString)
      .values
      .asInstanceOf[Map[String, Map[String, String]]]
      .mapValues(projectAttributes => projectAttributes("id"))
      .toSeq
      .map {
        case (name, id) => GerritProject(id, name)
      }
  }
}

case class ProjectContributionSource(name: String, contributorsUrl: Option[String])