/*
/*
 * Copyright (c) 2024 Augur AI, Inc.
 * This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0. 
 * If a copy of the MPL was not distributed with this file, you can obtain one at https://mozilla.org/MPL/2.0/.
 *
 
 * Copyright (c) 2024 Augur AI, Inc.
 *
 * This file is licensed under the Augur AI Proprietary License.
 *
 * Attribution:
 * This work is based on code from https://github.com/hofstadter-io/hof, licensed under the Apache License 2.0.
 */

package os

import (
	"bufio"
	"fmt"

	"cuelang.org/go/cue"

	hofcontext "github.com/opentofu/opentofu/internal/hof/flow/context"
)

type Stdout struct{}

func NewStdout(val cue.Value) (hofcontext.Runner, error) {
	return &Stdout{}, nil
}

func (T *Stdout) Run(ctx *hofcontext.Context) (interface{}, error) {
	bufStdout := bufio.NewWriter(ctx.Stdout)
	defer bufStdout.Flush()

	v := ctx.Value
	var m string
	var err error

	ferr := func() error {
		ctx.CUELock.Lock()
		defer func() {
			ctx.CUELock.Unlock()
		}()

		msg := v.LookupPath(cue.ParsePath("text"))
		if msg.Err() != nil {
			return msg.Err()
		} else if msg.Exists() {
			m, err = msg.String()
			if err != nil {
				return err
			}
		} else {
			err := fmt.Errorf("unknown msg:", msg)
			return err
		}
		return nil
	}()
	if ferr != nil {
		return nil, ferr
	}

	fmt.Fprint(bufStdout, m)
	return nil, nil
}
