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

//

// Licensed under the MIT license.

// Please see the LICENSE file is this directory.

package cmd

import (

	"io/ioutil"

	"os"

	"strings"

	"github.com/pkg/errors"

	"github.com/spf13/cobra"

	flag "github.com/spf13/pflag"

	"github.com/McKael/madon/v2"

)

var statusPostFlags *flag.FlagSet

var statusOpts struct {

	statusID int64

	unset    bool // TODO remove eventually?

	// The following fields are used for the post/toot command

	visibility     string

	sensitive      bool

	spoiler        string

	inReplyToID    int64

	mediaIDs       string

	mediaFilePath  string

	textFilePath   string

	stdin          bool

	addMentions    bool

	sameVisibility bool

	// Used for several subcommands to limit the number of results

	limit, keep uint

	//sinceID, maxID int64

	all bool

}

func init() {

	RootCmd.AddCommand(statusCmd)

	// Subcommands

	statusCmd.AddCommand(statusSubcommands...)

	// Global flags

	statusCmd.PersistentFlags().Int64VarP(&statusOpts.statusID, "status-id", "s", 0, "Status ID number")

	statusCmd.PersistentFlags().UintVarP(&statusOpts.limit, "limit", "l", 0, "Limit number of API results")

	statusCmd.PersistentFlags().UintVarP(&statusOpts.keep, "keep", "k", 0, "Limit number of results")

	//statusCmd.PersistentFlags().Int64Var(&statusOpts.sinceID, "since-id", 0, "Request IDs greater than a value")

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

	statusCmd.PersistentFlags().BoolVar(&statusOpts.all, "all", false, "Fetch all results (for reblogged-by/favourited-by)")

	// Subcommand flags

	statusReblogSubcommand.Flags().BoolVar(&statusOpts.unset, "unset", false, "Unreblog the status (deprecated)")

	statusFavouriteSubcommand.Flags().BoolVar(&statusOpts.unset, "unset", false, "Remove the status from the favourites (deprecated)")

	statusPinSubcommand.Flags().BoolVar(&statusOpts.unset, "unset", false, "Unpin the status (deprecated)")

	statusPostSubcommand.Flags().BoolVar(&statusOpts.sensitive, "sensitive", false, "Mark post as sensitive (NSFW)")

	statusPostSubcommand.Flags().StringVar(&statusOpts.visibility, "visibility", "", "Visibility (direct|private|unlisted|public)")

	statusPostSubcommand.Flags().StringVar(&statusOpts.spoiler, "spoiler", "", "Spoiler warning (CW)")

	statusPostSubcommand.Flags().StringVar(&statusOpts.mediaIDs, "media-ids", "", "Comma-separated list of media IDs")

	statusPostSubcommand.Flags().StringVarP(&statusOpts.mediaFilePath, "file", "f", "", "Media file name")

	statusPostSubcommand.Flags().StringVar(&statusOpts.textFilePath, "text-file", "", "Text file name (message content)")

	statusPostSubcommand.Flags().Int64VarP(&statusOpts.inReplyToID, "in-reply-to", "r", 0, "Status ID to reply to")

	statusPostSubcommand.Flags().BoolVar(&statusOpts.stdin, "stdin", false, "Read message content from standard input")

	statusPostSubcommand.Flags().BoolVar(&statusOpts.addMentions, "add-mentions", false, "Add mentions when replying")

	statusPostSubcommand.Flags().BoolVar(&statusOpts.sameVisibility, "same-visibility", false, "Use same visibility as original message (for replies)")

	// Deprecated flags

	statusReblogSubcommand.Flags().MarkDeprecated("unset", "please use unboost instead")

	statusFavouriteSubcommand.Flags().MarkDeprecated("unset", "please use unfavourite instead")

	statusPinSubcommand.Flags().MarkDeprecated("unset", "please use unpin instead")

	// Flag completion

	annotation := make(map[string][]string)

	annotation[cobra.BashCompCustom] = []string{"__madonctl_visibility"}

	statusPostSubcommand.Flags().Lookup("visibility").Annotations = annotation

	// This one will be used to check if the options were explicitly set or not

	statusPostFlags = statusPostSubcommand.Flags()

}

// statusCmd represents the status command

// This command does nothing without a subcommand

var statusCmd = &cobra.Command{

	Use:     "status --status-id ID subcommand",

	Aliases: []string{"st"},

	Short:   "Get status details",

	//Long:    `TBW...`, // TODO

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

		// This is common to status and all status subcommands but "post"

		if statusOpts.statusID < 1 && cmd.Name() != "post" {

			return errors.New("missing status ID")

		}

		return madonInit(true)

	},

}

var statusSubcommands = []*cobra.Command{

	&cobra.Command{

		Use:     "show",

		Aliases: []string{"display"},

		Short:   "Get the status",

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

			return statusSubcommandRunE(cmd.Name(), args)

		},

	},

	&cobra.Command{

		Use:   "context",

		Short: "Get the status context",

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

			return statusSubcommandRunE(cmd.Name(), args)

		},

	},

	&cobra.Command{

		Use:   "card",

		Short: "Get the status card",

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

			return statusSubcommandRunE(cmd.Name(), args)

		},

	},

	&cobra.Command{

		Use:   "reblogged-by",

		Short: "Display accounts which reblogged the status",

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

			return statusSubcommandRunE(cmd.Name(), args)

		},

	},

	&cobra.Command{

		Use:     "favourited-by",

		Aliases: []string{"favorited-by"},

		Short:   "Display accounts which favourited the status",

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

			return statusSubcommandRunE(cmd.Name(), args)

		},

	},

	&cobra.Command{

		Use:     "delete",

		Aliases: []string{"rm"},

		Short:   "Delete the status",

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

			return statusSubcommandRunE(cmd.Name(), args)

		},

	},

	&cobra.Command{

		Use:     "mute-conversation",

		Aliases: []string{"mute"},

		Short:   "Mute the conversation containing the status",

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

			return statusSubcommandRunE(cmd.Name(), args)

		},

	},

	&cobra.Command{

		Use:     "unmute-conversation",

		Aliases: []string{"unmute"},

		Short:   "Unmute the conversation containing the status",

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

			return statusSubcommandRunE(cmd.Name(), args)

		},

	},

	statusReblogSubcommand,

	statusUnreblogSubcommand,

	statusFavouriteSubcommand,

	statusUnfavouriteSubcommand,

	statusPinSubcommand,

	statusUnpinSubcommand,

	statusPostSubcommand,

}

var statusReblogSubcommand = &cobra.Command{

	Use:     "boost",

	Aliases: []string{"reblog"},

	Short:   "Boost (reblog) a status message",

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

		return statusSubcommandRunE(cmd.Name(), args)

	},

}

var statusUnreblogSubcommand = &cobra.Command{

	Use:     "unboost",

	Aliases: []string{"unreblog"},

	Short:   "Cancel boost (reblog) of a status message",

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

		return statusSubcommandRunE(cmd.Name(), args)

	},

}

var statusFavouriteSubcommand = &cobra.Command{

	Use:     "favourite",

	Aliases: []string{"favorite", "fave"},

	Short:   "Mark the status as favourite",

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

		return statusSubcommandRunE(cmd.Name(), args)

	},

}

var statusUnfavouriteSubcommand = &cobra.Command{

	Use:     "unfavourite",

	Aliases: []string{"unfavorite", "unfave"},

	Short:   "Unmark the status as favourite",

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

		return statusSubcommandRunE(cmd.Name(), args)

	},

}

var statusPinSubcommand = &cobra.Command{

	Use:   "pin",

	Short: "Pin a status",

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

		return statusSubcommandRunE(cmd.Name(), args)

	},

}

var statusUnpinSubcommand = &cobra.Command{

	Use:   "unpin",

	Short: "Unpin a status",

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

		return statusSubcommandRunE(cmd.Name(), args)

	},

}

var statusPostSubcommand = &cobra.Command{

	Use:     "post",

	Aliases: []string{"toot", "pouet"},

	Short:   "Post a message (same as 'madonctl toot')",

	Example: `  madonctl status post "Hello, World"

  madonctl status post --spoiler Warning "Spoiled"

  madonctl status toot --visibility private "To my followers only"

  madonctl status toot --sensitive --file image.jpg Image

  madonctl status post --media-ids ID1,ID2,ID3 Image

  madonctl status toot --text-file message.txt

  madonctl status post --in-reply-to STATUSID "@user response"

  madonctl status post --in-reply-to STATUSID --add-mentions "response"

  echo "Hello from #madonctl" | madonctl status toot --stdin

The default visibility can be set in the configuration file with the option

'default_visibility' (or with an environmnent variable).`,

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

		return statusSubcommandRunE(cmd.Name(), args)

	},

}

func statusSubcommandRunE(subcmd string, args []string) error {

	opt := statusOpts

	var obj interface{}

	var err error

	var limOpts *madon.LimitParams

	if opt.all || opt.limit > 0 /* || opt.sinceID > 0 || opt.maxID > 0 */ {

		limOpts = new(madon.LimitParams)

		limOpts.All = opt.all

	}

	if opt.limit > 0 {

		limOpts.Limit = int(opt.limit)

	}

	/*

		if opt.maxID > 0 {

			limOpts.MaxID = int64(opt.maxID)

		}

		if opt.sinceID > 0 {

			limOpts.SinceID = int64(opt.sinceID)

		}

	*/

	switch subcmd {

	case "show":

		var status *madon.Status

		status, err = gClient.GetStatus(opt.statusID)

		obj = status

	case "context":

		var context *madon.Context

		context, err = gClient.GetStatusContext(opt.statusID)

		obj = context

	case "card":

		var context *madon.Card

		context, err = gClient.GetStatusCard(opt.statusID)

		obj = context

	case "reblogged-by":

		var accountList []madon.Account

		accountList, err = gClient.GetStatusRebloggedBy(opt.statusID, limOpts)

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

			accountList = accountList[:opt.keep]

		}

		obj = accountList

	case "favourited-by":

		var accountList []madon.Account

		accountList, err = gClient.GetStatusFavouritedBy(opt.statusID, limOpts)

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

			accountList = accountList[:opt.keep]

		}

		obj = accountList

	case "delete":

		err = gClient.DeleteStatus(opt.statusID)

	case "boost", "unboost":

		if opt.unset || subcmd == "unboost" {

			err = gClient.UnreblogStatus(opt.statusID)

		} else {

			err = gClient.ReblogStatus(opt.statusID)

		}

	case "favourite", "unfavourite":

		if opt.unset || subcmd == "unfavourite" {

			err = gClient.UnfavouriteStatus(opt.statusID)

		} else {

			err = gClient.FavouriteStatus(opt.statusID)

		}

	case "pin", "unpin":

		if opt.unset || subcmd == "unpin" {

			err = gClient.UnpinStatus(opt.statusID)

		} else {

			err = gClient.PinStatus(opt.statusID)

		}

	case "mute-conversation":

		var s *madon.Status

		s, err = gClient.MuteConversation(opt.statusID)

		obj = s

	case "unmute-conversation":

		var s *madon.Status

		s, err = gClient.UnmuteConversation(opt.statusID)

		obj = s

	case "post": // toot

		var s *madon.Status

		text := strings.Join(args, " ")

		if opt.textFilePath != "" {

			var b []byte

			if b, err = ioutil.ReadFile(opt.textFilePath); err != nil {

				break

			}

			text = string(b)

		} else if opt.stdin {

			var b []byte

			if b, err = ioutil.ReadAll(os.Stdin); err != nil {

				break

			}

			text = string(b)

		}

		s, err = toot(text)

		obj = s

	default:

		return errors.New("statusSubcommand: internal error")

	}

	if err != nil {

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

		os.Exit(1)

	}

	if obj == nil {

		return nil

	}

	p, err := getPrinter()

	if err != nil {

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

		os.Exit(1)

	}

	return p.printObj(obj)

}