// Copyright © 2017-2018 Mikael Berthe <mikael@lilotux.net>

//

// Licensed under the MIT license.

// Please see the LICENSE file is this directory.

package cmd

import (

	"os"

	"strings"

	"github.com/spf13/cobra"

	"github.com/McKael/madon"

)

var timelineOpts struct {

	local, onlyMedia bool

	limit, keep      uint

	sinceID, maxID   int64

}

// timelineCmd represents the timelines command

var timelineCmd = &cobra.Command{

	Use:     "timeline [home|public|:HASHTAG|!list_id] [--local]",

	Aliases: []string{"tl"},

	Short:   "Fetch a timeline",

	Long: `

The timeline command fetches a timeline (home, local or federated).

It can also get a hashtag-based timeline if the keyword or prefixed with

':' or '#', or a list-based timeline (use !ID with the list ID).`,

	Example: `  madonctl timeline

  madonctl timeline public --local

  madonctl timeline '!42'

  madonctl timeline :mastodon`,

	RunE:      timelineRunE,

	ValidArgs: []string{"home", "public"},

}

func init() {

	RootCmd.AddCommand(timelineCmd)

	timelineCmd.Flags().BoolVar(&timelineOpts.local, "local", false, "Posts from the local instance")

	timelineCmd.Flags().BoolVar(&timelineOpts.onlyMedia, "only-media", false, "Only statuses with media attachments")

	timelineCmd.Flags().UintVarP(&timelineOpts.limit, "limit", "l", 0, "Limit number of API results")

	timelineCmd.Flags().UintVarP(&timelineOpts.keep, "keep", "k", 0, "Limit number of results")

	timelineCmd.PersistentFlags().Int64Var(&timelineOpts.sinceID, "since-id", 0, "Request IDs greater than a value")

	timelineCmd.PersistentFlags().Int64Var(&timelineOpts.maxID, "max-id", 0, "Request IDs less (or equal) than a value")

}

func timelineRunE(cmd *cobra.Command, args []string) error {

	opt := timelineOpts

	var limOpts *madon.LimitParams

	if opt.limit > 0 || opt.sinceID > 0 || opt.maxID > 0 {

		limOpts = new(madon.LimitParams)

	}

	if opt.limit > 0 {

		limOpts.Limit = int(opt.limit)

	}

	if opt.maxID > 0 {

		limOpts.MaxID = opt.maxID

	}

	if opt.sinceID > 0 {

		limOpts.SinceID = opt.sinceID

	}

	tl := "home"

	if len(args) > 0 {

		tl = args[0]

	}

	// Home timeline and list-based timeline require to be logged in

	if err := madonInit(tl == "home" || strings.HasPrefix(tl, "!")); err != nil {

		return err

	}

	sl, err := gClient.GetTimelines(tl, opt.local, opt.onlyMedia, limOpts)

	if err != nil {

		errPrint("Error: %s", err.Error())

		os.Exit(1)

	}

	if opt.keep > 0 && len(sl) > int(opt.keep) {

		sl = sl[:opt.keep]

	}

	p, err := getPrinter()

	if err != nil {

		errPrint("Error: %s", err.Error())

		os.Exit(1)

	}

	return p.printObj(sl)

}