package cli

import (
	"fmt"

	"coopcloud.tech/abra/client"
	"coopcloud.tech/abra/config"
	"github.com/sirupsen/logrus"
	"github.com/urfave/cli/v2"
)

var serverListCommand = &cli.Command{
	Name:      "list",
	Aliases:   []string{"ls"},
	Usage:     "List locally-defined servers.",
	ArgsUsage: emptyArgsUsage,
	HideHelp:  true,
	Action: func(c *cli.Context) error {
		dockerContextStore := client.NewDefaultDockerContextStore()
		contexts, err := dockerContextStore.Store.List()
		if err != nil {
			logrus.Fatal(err)
		}
		tableColumns := []string{"Name", "Connection"}
		table := createTable(tableColumns)
		defer table.Render()

		serverNames, err := config.ReadServerNames()
		if err != nil {
			logrus.Fatal(err)
		}
		for _, serverName := range serverNames {

			var row []string
			for _, ctx := range contexts {
				endpoint, err := client.GetContextEndpoint(ctx)
				if err != nil {
					// This most likely means its a non-docker swarm context and we can ignore
					continue
				}
				if ctx.Name == serverName {
					row = []string{serverName, endpoint}
				}
			}
			if len(row) == 0 {
				row = []string{serverName, "UNKNOWN"}
			}
			table.Append(row)

		}
		return nil

	},
}

var serverAddCommand = &cli.Command{
	Name:        "add",
	Usage:       "Add a server, reachable on <host>.",
	ArgsUsage:   "<host> [<user>] [<port>]",
	Description: "[<user>], [<port>]    SSH connection details",
	Action: func(c *cli.Context) error {
		arg_len := c.Args().Len()
		args := c.Args().Slice()
		if arg_len < 3 {
			args = append(args, make([]string, 3-arg_len)...)
		}
		if err := client.CreateContext(args[0], args[1], args[2]); err != nil {
			logrus.Fatal(err)
		}
		fmt.Println(args[0])
		return nil
	},
}

var serverNewCommand = &cli.Command{
	Name:        "new",
	Usage:       "Creates a VPS from a provider in your terminal!",
	Description: "Use a provider plugin to create an actual new server resource (VPS or otherwise) which can then be used to house a new Co-op Cloud installation.",
	ArgsUsage:   "<provider>",
	HideHelp:    true,
}

var serverRemoveCommand = &cli.Command{
	Name:     "remove",
	Aliases:  []string{"rm"},
	Usage:    "Remove server <host>",
	HideHelp: true,
}

var serverInitCommand = &cli.Command{
	Name:      "init",
	Usage:     "Set up a server for Docker swarm",
	HideHelp:  true,
	ArgsUsage: "<host>",
	Description: `This initialisation explicitly chooses the "single host swarm" mode
which uses the default IPv4 address as the advertising address. This
can be re-configured later for more advanced use cases.
		
POWERED BY
docker swarm init
docker network create ...`,
}

var serverAppsCommand = &cli.Command{
	Name:      "apps",
	Usage:     `Alias for "abra app ls --server <host>"`,
	HideHelp:  true,
	ArgsUsage: " ", // Removes "[arguments]" from help. Empty str's are ignored
	Flags: []cli.Flag{
		&cli.BoolFlag{
			Name:  "status",
			Value: false,
		},
	},
}

// Reminder: The list commands are in is the order they appear in the help menu
var ServerCommand = &cli.Command{
	Name:      "server",
	ArgsUsage: "<host>",
	Usage:     "Interact with the servers hosting your apps",
	HideHelp:  true,
	Subcommands: []*cli.Command{
		serverNewCommand,
		serverInitCommand,
		serverAddCommand,
		serverListCommand,
		serverRemoveCommand,
		serverAppsCommand,
	},
	Action: func(c *cli.Context) error { fmt.Println("server"); return nil },
}