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

  def index
    issues = @project.issues.includes(:user,:tracker, :issue_tag, :version, :issue_status, :journals)

    issues = issues.where(is_private: false) unless current_user.present? && (current_user.admin? || @project.member?(current_user))
    @all_issues_size = issues.size
    @open_issues_size = issues.where.not(status_id: 5).size
    @close_issues_size = issues.where(status_id: 5).size
    @assign_to_me_size = issues.where(assigned_to_id: current_user&.id).size
    @my_published_size = issues.where(author_id: current_user&.id).size

    status_type = params[:status_type].to_s  #issue状态的选择
    search_name = params[:search].to_s
    start_time = params[:start_date]
    end_time = params[:due_date]

    if status_type.to_s == "1"  #表示开启中的
      issues = issues.where.not(status_id: 5)
    elsif status_type.to_s == "2"   #表示关闭中的
      issues = issues.where(status_id: 5)
    end

    if search_name.present?
      issues = issues.where("subject like ?", "%#{search_name}%")
    end

    if start_time&.present? || end_time&.present?
      issues = issues.where("start_date between ? and ?",start_time&.present? ? start_time.to_date : Time.now.to_date, end_time&.present? ? end_time.to_date : Time.now.to_date)
    end

    issues = issues.where(author_id: params[:author_id]) if params[:author_id].present?
    issues = issues.where(assigned_to_id: params[:assigned_to_id]) if params[:assigned_to_id].present?
    issues = issues.where(tracker_id: params[:tracker_id]) if params[:tracker_id].present?
    issues = issues.where(status_id: params[:status_id]) if params[:status_id].present?
    issues = issues.where(priority_id: params[:priority_id]) if params[:priority_id].present?
    issues = issues.where(fixed_version_id: params[:fixed_version_id]) if params[:fixed_version_id].present?
    issues = issues.where(done_ratio: params[:done_ratio].to_i) if params[:done_ratio].present?

    order_type = params[:order_type] || "desc"   #或者"asc"
    order_name = params[:order_name] || "created_on"   #或者"updated_on"

    @page = params[:page]
    @limit = params[:limit] || "15"
    @issues = issues.order("#{order_name} #{order_type}")
    @issues_size = issues.size
    @issues = issues.order("#{order_name} #{order_type}").page(@page).per(@limit)

    respond_to do |format|
      format.json
      format.xlsx{
        set_export_cookies
        export_issues(@issues)
        export_name = "#{@project.name}_issues列表_#{Time.now.strftime('%Y%m%d_%H%M%S')}"
        render xlsx: "#{export_name.strip}",template: "issues/index.xlsx.axlsx",locals: {table_columns:@table_columns,issues:@export_issues}
      }
    end
  end

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

  def commit_issues
    issues = @project.issues.includes(:user,:tracker)
    issues = issues.where(is_private: false) unless current_user.present? && (current_user.admin? || @project.member?(current_user))
    @all_issues_size = issues.size
    @open_issues_size = issues.where.not(status_id: 5).size
    @close_issues_size = issues.where(status_id: 5).size

    status_type = params[:status_type].to_s

    if status_type.to_s == "1"  #表示开启中的
      issues = issues.where.not(status_id: 5)
    elsif status_type.to_s == "2"   #表示关闭中的
      issues = issues.where(status_id: 5)
    end

    @commit_issues = []
    total_commit_issues = {
      name: "合计",
      user_login: nil,
      all_count: issues.size,
      trackers: trackers_size(issues)
    }
    @commit_issues.push(total_commit_issues)

    members = issues.pluck(:assigned_to_id).uniq
    members.each do |m|
      user = User.select(:id, :login, :firstname, :lastname).find(m)
      user_issues = issues.where(assigned_to_id: m)  #指派给
      member_params = {
        name: user.try(:show_real_name),
        user_login: user.try(:login),
        all_count: issues.size,
        trackers: trackers_size(user_issues)
      }
      @commit_issues.push(member_params)
    end

    un_assign = issues.where(assigned_to_id: nil)
    total_commit_issues = {
      name: "未指派",
      user_login: nil,
      all_count: un_assign.size,
      trackers: trackers_size(un_assign)
    }
    @commit_issues.push(total_commit_issues)

  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],
      closed_on: (params[:status_id].to_i == 5) ? Time.now : nil
    }

    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
  end

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

  def copy
    @new_issue = @issue.dup
    if @new_issue.save
      @status = 1
    else
      @status = -1
    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 = {id:t.to_i, 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

  def export_issues(issues)
    @table_columns = %w(ID 类型 标题	描述	状态	指派给	优先级	发布人	创建时间	里程碑	开始时间	截止时间	完成度)
    @export_issues = []
    issues.each do |i|
      issue_array = [i.id, i.tracker.try(:name), i.subject, i.description, i.issue_status.try(:name),i.get_assign_user.try(:show_real_name),
                     i.issue_tag.try(:title), i.user.try(:show_real_name), format_time(i.created_on), i.version.try(:title), i.start_date.to_s, i.due_date.to_s, i.done_ratio.to_s + "%" ]

      @export_issues.push(issue_array)

    end
  end

  def trackers_size(issues)
    trackers_id = Tracker.pluck(:id,:name)
    tracker_array = []
    trackers_id.each do |t|
      tracker_info = {
        id: t[0],
        name: t[1],
        issues_count: issues.issues_count(t[0])
      }
      tracker_array.push(tracker_info)
    end
    tracker_array
  end
end