class IssuesController < ApplicationController
  before_action :require_login
  before_action :set_project
  before_action :check_project_public, only: [:index ,:show]
  before_action :check_issue_permission, except: [:index, :show]
  before_action :set_issue, only: [:edit, :update, :destroy, :show]

  def index


  end

  def new
    @issue_chosen = issue_left_chosen(@project, nil)
  end

  def create
    if params[:subject].blank?
      normal_status(-1, "标题不能为空")
    else
      issue_params = {
        subject: params[:subject],
        description: params[:description],
        is_private: params[:is_private],
        assigned_to_id: params[:assigned_to_id],
        tracker_id: params[:tracker_id],
        status_id: params[:status_id],
        priority_id: params[:priority_id],
        fixed_version_id: params[:fixed_version_id],
        start_date: params[:start_date].to_s.to_date,
        due_date: params[:due_date].to_s.to_date,
        estimated_hours: params[:estimated_hours],
        done_ratio: params[:done_ratio]
      }
      @issue = Issue.new(issue_params.merge(author_id: current_user.id, project_id: @project.id))
      if @issue.save!
        if params[:attachment_ids].present?
          params[:attachment_ids].each do |id|
            attachment = Attachment.select(:id, :container_id, :container_type)&.find_by_id(id)
            unless attachment.blank?
              attachment.container = @issue
              attachment.save
            end
          end
        end
        if params[:assigned_to_id].present?
          Tiding.create!(user_id: params[:assigned_to_id], trigger_user_id: current_user.id,
                         container_id: @issue.id, container_type: 'Issue',
                         parent_container_id: @project.id, parent_container_type: "Project",
                         tiding_type: 'issue', status: 0)
        end
        normal_status(0, "创建成功")
      else
        normal_status(-1, "创建失败")
      end
    end

  end

  def edit
    @issue_chosen = issue_left_chosen(@project, @issue.id)
    @issue_attachments = @issue.attachments
  end

  def update
    issue_params = {
      subject: params[:subject],
      description: params[:description],
      is_private: params[:is_private],
      assigned_to_id: params[:assigned_to_id],
      tracker_id: params[:tracker_id],
      status_id: params[:status_id],
      priority_id: params[:priority_id],
      fixed_version_id: params[:fixed_version_id],
      start_date: params[:start_date].to_s.to_date,
      due_date: params[:due_date].to_s.to_date,
      estimated_hours: params[:estimated_hours],
      done_ratio: params[:done_ratio]
    }

    if @issue.update_attributes(issue_params)
      issue_files = params[:attachment_ids]
      change_files = false
      issue_file_ids = []
      if issue_files.present?
        issue_attachments = @issue&.attachments
        issue_file_ids = issue_attachments&.pluck(:id)
        left_file_ids = issue_file_ids - issue_files
        new_file_ids = issue_files - issue_file_ids
        if left_file_ids.size > 0
          change_files = true
          issue_attachments.where(id: left_file_ids).delete_all
        end
        if new_file_ids.size > 0
          change_files = true
          new_file_ids.each do |id|
            attachment = Attachment.select(:id, :container_id, :container_type)&.find_by_id(id)
            unless attachment.blank?
              attachment.container = @issue
              attachment.save
            end
          end
        end
      end

      @issue.create_journal_detail(change_files, issue_files, issue_file_ids)
      normal_status(0, "更新成功")
    else
      normal_status(-1, "更新失败")
    end

  end

  def show
    @issue_attachments = @issue.attachments
    @issue_user = @issue.user
    @issue_assign_to = @issue.get_assign_user
    @journals = @issue.journals.journal_includes.order("created_on desc")
  end

  def destroy
    if @issue.destroy
      normal_status(0, "删除成功")
    else
      normal_status(-1, "删除失败")
    end

  end


  private
  def set_project
    @project = Project.find_by_id(params[:project_id])
    unless @project.present?
      normal_status(-1, "项目不存在")
    end
  end

  def check_project_public
    unless @project.is_public || @project.member?(current_user) || current_user.admin?
      normal_status(-1, "您没有权限")
    end
  end

  def set_issue
    @issue = Issue.find_by_id(params[:id])
    unless @issue.present?
      normal_status(-1, "标签不存在")
    end
  end

  def check_issue_permission
    unless @project.member?(current_user) || current_user.admin?
      normal_status(-1, "您没有权限")
    end
  end

  def issue_left_chosen(project,issue_id)
    issue_info = Array.new(9)
    if issue_id.present?
      select_arrays = [:assigned_to_id, :tracker_id, :status_id, :priority_id, :fixed_version_id, :start_date, :due_date, :estimated_hours, :done_ratio]
      issue_info = Issue.select(select_arrays).where(id: issue_id).pluck(select_arrays)
      issue_info = issue_info[0]
    end
    project_members = project.members_user_infos
    project_members_info = []  #指派给
    project_members.each do |member|
      real_name = member[2] + member[3]
      unless real_name.present?
        real_name = member[1]
      end
      user_id = member[0]
      is_chosen = ((member[0].to_s == issue_info[0].to_s) ? "1" : "0")
      member_info = {id: user_id, name: real_name, is_chosen: is_chosen}
      project_members_info.push(member_info)
    end

    tracker_info = project.trackers&.pluck(:id, :name, :position)
    new_tracker_info = []  #类型
    if tracker_info.size > 0
      tracker_info.each do |t|
        is_chosen = (t[0] == issue_info[1]) ? "1" : "0"
        new_tracker = {id: t[0], name: t[1], position: t[2], is_chosen: is_chosen}
        new_tracker_info.push(new_tracker)
      end
    end


    issue_status = IssueStatus&.pluck(:id,:name,:position)
    new_status_info = []  #缺陷类型
    if issue_status.size > 0
      issue_status.each do |t|
        is_chosen = (t[0] == issue_info[2]) ? "1" : "0"
        new_issue = {id: t[0], name: t[1], position: t[2], is_chosen: is_chosen}
        new_status_info.push(new_issue)
      end
    end


    issue_priority = project.issue_tags&.pluck(:id,:title, :color)
    new_priority_info = []  #issue标签，（优先程度）
    if issue_priority.size > 0
      issue_priority.each do |t|
        is_chosen = (t[0] == issue_info[3]) ? "1" : "0"
        new_issue = {id: t[0], name: t[1], color: t[2], is_chosen: is_chosen}
        new_priority_info.push(new_issue)
      end
    end


    issue_versions = project.versions&.pluck(:id,:name, :status)
    new_version_info = []  #issue里程碑
    if issue_versions.size > 0
      issue_versions.each do |t|
        is_chosen = (t[0] == issue_info[4]) ? "1" : "0"
        new_issue = {id: t[0], name: t[1], status: t[2], is_chosen: is_chosen}
        new_version_info.push(new_issue)
      end
    end

    issue_done_ratio = %w(0 10 20 30 40 50 60 70 80 90 100)
    new_done_info = []  #完成度
    if issue_done_ratio.size > 0
      issue_done_ratio.each do |t|
        is_chosen = (t == issue_info[8].to_s) ? "1" : "0"
        new_issue = {ratio: (t.to_s + "%"), is_chosen: is_chosen}
        new_done_info.push(new_issue)
      end
    end


    {
      "assign_user": project_members_info,
      "tracker": new_tracker_info,
      "issue_status": new_status_info,
      "issue_tag": new_priority_info,
      "issue_version": new_version_info,
      "start_date": issue_info[5],
      "due_date": issue_info[6],
      "estimated_hours": issue_info[7],
      "done_ratio": new_done_info
    }

  end
end