package cli

import (
	"context"
	"fmt"
	"strings"

	"coopcloud.tech/abra/client"
	"coopcloud.tech/abra/config"

	"github.com/docker/cli/cli/command/formatter"
	"github.com/docker/cli/cli/command/idresolver"
	"github.com/docker/docker/api/types"
	"github.com/docker/docker/api/types/swarm"
	"github.com/schultz-is/passgen"
	"github.com/sirupsen/logrus"
	"github.com/urfave/cli/v2"
)

var appNewCommand = &cli.Command{
	Name: "new",
	Flags: []cli.Flag{
		ServerFlag,
		DomainFlag,
		AppNameFlag,
		PassFlag,
		SecretsFlag,
	},
}
var appDeployCommand = &cli.Command{
	Name: "deploy",
	Flags: []cli.Flag{
		UpdateFlag,
		ForceFlag,
		SkipVersionCheckFlag,
		NoDomainPollFlag,
	},
}
var appUndeployCommand = &cli.Command{
	Name: "undeploy",
}
var appBackupCommand = &cli.Command{
	Name:  "backup",
	Flags: []cli.Flag{AllFlag},
}
var appRestoreCommand = &cli.Command{
	Name:      "restore",
	Flags:     []cli.Flag{AllFlag},
	ArgsUsage: "<service> [<backup file>]",
}
var appListCommand = &cli.Command{
	Name:    "list",
	Aliases: []string{"ls"},
	Flags:   []cli.Flag{StatusFlag, ServerFlag, TypeFlag},
	Action: func(c *cli.Context) error {
		// FIXME: Needs status flag implementing
		// TODO: Sorting of output to make servers in alphabetical
		// Looks like sorting a 2d slice of strings might be messy though
		apps, err := config.LoadAppFiles(Server)
		if err != nil {
			logrus.Fatal(err)
		}
		tableCol := []string{"Name", "Type", "Server"}
		table := createTable(tableCol)
		for name, appFile := range apps {
			app, err := config.GetApp(apps, name)
			if err != nil {
				logrus.Fatal(err.Error())
			}
			if app.Type == Type || Type == "" {
				// If type flag is set, check for it, if not, Type == ""
				tableRow := []string{name, app.Type, appFile.Server}
				table.Append(tableRow)
			}

		}
		table.Render()
		return nil
	},
}
var appCheckCommand = &cli.Command{
	Name: "check",
}
var appCpCommand = &cli.Command{
	Name:      "cp",
	ArgsUsage: "<src> <dst>",
}
var appConfigCommand = &cli.Command{
	Name: "config",
}
var appLogsCommand = &cli.Command{
	Name:      "logs",
	ArgsUsage: "[<service>]",
}

var appPsCommand = &cli.Command{
	Name: "ps",
	Action: func(c *cli.Context) error {
		ctx := context.Background()
		cl, err := client.NewClientWithContext(Context)
		if err != nil {
			logrus.Fatal(err)
		}
		tasks, err := cl.TaskList(ctx, types.TaskListOptions{})
		if err != nil {
			logrus.Fatal(err)
		}
		for _, task := range tasks {
			resolver := idresolver.New(cl, false)
			serviceName, err := resolver.Resolve(ctx, swarm.Service{}, task.ServiceID)
			if err != nil {
				return err
			}
			fmt.Printf("%#v\n", serviceName)
		}
		containers, err := cl.ContainerList(ctx, types.ContainerListOptions{})
		if err != nil {
			logrus.Fatal(err)
		}
		table := createTable([]string{"ID", "Image", "Command", "Created", "Status", "Ports", "Names"})
		var conTable [][]string
		for _, container := range containers {
			conRow := []string{
				shortenID(container.ID),
				removeSha(container.Image),
				truncate(container.Command),
				humanDuration(container.Created),
				container.Status,
				formatter.DisplayablePorts(container.Ports),
				strings.Join(container.Names, ","),
			}
			conTable = append(conTable, conRow)
		}
		table.AppendBulk(conTable)
		table.Render()
		return nil
	},
}
var appRemoveCommand = &cli.Command{
	Name:  "remove",
	Flags: []cli.Flag{VolumesFlag, SecretsFlag},
}
var appRunCommand = &cli.Command{
	Name: "run",
	Flags: []cli.Flag{
		NoTTYFlag,
		UserFlag,
	},
	ArgsUsage: "<service> <args>...",
}

var appRollbackCommand = &cli.Command{
	Name:      "rollback",
	ArgsUsage: "[<version>]",
}

// TODO: Replicating what the bash abra does might be hard
// with the mix of subcommands and flags
var appSecretCommand = &cli.Command{
	Name:  "secret",
	Flags: []cli.Flag{AllFlag, PassFlag},
	Action: func(c *cli.Context) error {
		passwords, err := passgen.GeneratePassphrases(
			1,
			passgen.PassphraseWordCountDefault,
			rune('-'),
			passgen.PassphraseCasingDefault,
			passgen.WordListDefault,
		)
		if err != nil {
			logrus.Fatal(err)
		}

		for _, password := range passwords {
			fmt.Println(password)
		}
		return nil
	},
}

var AppCommand = &cli.Command{
	Name:     "app",
	HideHelp: true,
	Subcommands: []*cli.Command{
		appNewCommand,
		appConfigCommand,
		appDeployCommand,
		appUndeployCommand,
		appBackupCommand,
		appRestoreCommand,
		appRemoveCommand,
		appCheckCommand,
		appListCommand,
		appPsCommand,
		appLogsCommand,
		appCpCommand,
		appRunCommand,
		appRollbackCommand,
		appSecretCommand,
	},
}