package tfexec

import (
	"context"
	"fmt"
	"os/exec"
	"strings"
)

// WorkspaceShow represents the workspace show subcommand to the Terraform CLI.
func (tf *Terraform) WorkspaceShow(ctx context.Context) (string, error) {
	workspaceShowCmd, err := tf.workspaceShowCmd(ctx)
	if err != nil {
		return "", err
	}

	var outBuffer strings.Builder
	workspaceShowCmd.Stdout = &outBuffer

	err = tf.runTerraformCmd(ctx, workspaceShowCmd)
	if err != nil {
		return "", err
	}

	return strings.TrimSpace(outBuffer.String()), nil
}

func (tf *Terraform) workspaceShowCmd(ctx context.Context) (*exec.Cmd, error) {
	err := tf.compatible(ctx, tf0_10_0, nil)
	if err != nil {
		return nil, fmt.Errorf("workspace show was first introduced in Terraform 0.10.0: %w", err)
	}

	return tf.buildTerraformCmd(ctx, nil, "workspace", "show", "-no-color"), nil
}