class Api::Pm::IssuesController < Api::Pm::BaseController
  before_action :require_login, except: [:index]
  before_action :load_project
  before_action :load_issue, only: %i[show update destroy link_index]
  before_action :load_issues, only: %i[batch_update batch_destroy]
  before_action :check_issue_operate_permission, only: %i[update destroy]

  def index
    @object_result = Api::V1::Issues::ListService.call(@project, query_params, current_user)
    @total_issues_count = @object_result[:total_issues_count]
    @opened_issues_count = @object_result[:opened_issues_count]
    @closed_issues_count = @object_result[:closed_issues_count]
    if params[:only_name].present?
      @issues = kaminary_select_paginate(
        @object_result[:data].select(:id, :subject, :project_issues_index, :updated_on, :created_on))
    else
      @issues = kaminari_paginate(@object_result[:data])
    end
    render 'api/v1/issues/index'
  end

  def link_index
    pm_issue_type = params[:pm_issue_type] || [1, 2, 3]
    not_join_id = @issue.pm_links.pluck(:be_linkable_id)
    not_join_id << @issue.id
    object_issues = Issue.includes(:pm_links).where(
      pm_project_id: params[:pm_project_id],
      root_id: nil,
      pm_issue_type: pm_issue_type
    ).where.not(id: not_join_id)
    @issues = kaminari_paginate(object_issues)
    render 'api/v1/issues/index'
  end


  def show
    @issue.associate_attachment_container
    render 'api/v1/issues/show'
  end

  def create
    @object_result = Api::V1::Issues::CreateService.call(@project, issue_params, current_user)
    render 'api/v1/issues/create'
  end

  def update
    @object_result = Api::V1::Issues::UpdateService.call(@project, @issue, issue_params, current_user)
    render 'api/v1/issues/update'
  end

  def batch_update
    @object_result = Api::V1::Issues::BatchUpdateService.call(@project, @issues, batch_issue_params, current_user)
    if @object_result
      render_ok
    else
      render_error('批量更新疑修失败！')
    end
  end

  def batch_destroy
    @object_result = Api::V1::Issues::BatchDeleteService.call(@project, @issues, current_user)
    if @object_result
      render_ok
    else
      render_error('批量删除疑修失败！')
    end
  end

  def priorities
    @priorities = IssuePriority.order(position: :asc)
    @priorities = @priorities.ransack(name_cont: params[:keyword]).result if params[:keyword]
    @priorities = kaminary_select_paginate(@priorities)
    render "api/v1/issues/issue_priorities/index"
  end

  def tags
    IssueTag.pm_init_data(params[:pm_project_id]) unless $redis_cache.hget("pm_project_init_issue_tags", params[:pm_project_id])
    @issue_tags = IssueTag.where(pm_project_id: params[:pm_project_id]).reorder("#{tag_sort_by} #{tag_sort_direction}")
    @issue_tags = @issue_tags.ransack(name_cont: params[:keyword]).result if params[:keyword].present?
    params[:only_name] = true #强制渲染 不走project
    @issue_tags = kaminary_select_paginate(@issue_tags.select(:id, :name, :color))
    render "api/v1/issues/issue_tags/index"
  end

  def statues
    @statues = IssueStatus.order("position asc")
    @statues = @statues.ransack(name_cont: params[:keyword]).result if params[:keyword].present?
    @statues = kaminary_select_paginate(@statues)
    render "api/v1/issues/statues/index"
  end



  def destroy
    @object_result = Api::V1::Issues::DeleteService.call(@project, @issue, current_user)
    if @object_result
      render_ok
    else
      render_error('删除疑修失败！')
    end
  end

  private
  def check_issue_operate_permission
    return if params[:project_id].to_i.zero?
    render_forbidden('您没有操作权限！') unless @project.member?(current_user) || current_user.admin? || @issue.user == current_user
  end

  def load_issue
    return render_parameter_missing if params[:pm_project_id].blank?
    @issue = Issue.issue_issue.where(pm_project_id: params[:pm_project_id]).find_by_id(params[:id])
    render_not_found('疑修不存在!') if @issue.blank?
  end

  def load_issues
    return render_error('请输入正确的ID数组！') unless params[:ids].is_a?(Array)
    params[:ids].each do |id|
      @issue = Issue.find_by(id: id, pm_project_id: params[:pm_project_id])
      if @issue.blank?
        return render_not_found("ID为#{id}的疑修不存在!")
      end
    end
    @issues = Issue.where(id: params[:ids], pm_project_id: params[:pm_project_id])
  end


  def query_params
    params.permit(
      :only_name,
      :category,
      :participant_category,
      :keyword, :author_id,
      :milestone_id, :assigner_id,
      :status_id,
      :begin_date, :end_date,
      :sort_by, :sort_direction, :root_id,
      :issue_tag_ids, :pm_project_id, :pm_sprint_id, :pm_issue_type
    )
  end



  def issue_params
    params.permit(
      :status_id, :priority_id, :milestone_id,
      :branch_name, :start_date, :due_date, :time_scale,
      :subject, :description, :blockchain_token_num,
      :pm_project_id, :pm_sprint_id, :pm_issue_type, :root_id,
      issue_tag_ids: [],
      assigner_ids: [],
      attachment_ids: [],
      receivers_login: []
    )
  end

  def batch_issue_params
    params.permit(
      :status_id, :priority_id, :milestone_id, :pm_sprint_id, :pm_issue_type, :root_id, :target_pm_project_id,
      :issue_tag_ids => [],
      :assigner_ids => [] )
  end

  def tag_sort_by
    sort_by = params.fetch(:sort_by, "created_at")
    sort_by = IssueTag.column_names.include?(sort_by) ? sort_by : "created_at"
    sort_by
  end

  def tag_sort_direction
    sort_direction = params.fetch(:sort_direction, "desc").downcase
    sort_direction = %w(desc asc).include?(sort_direction) ? sort_direction : "desc"
    sort_direction
  end

end