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package screen
import (
"bufio"
"fmt"
"os"
"strconv"
"strings"
)
// TermMessage sends a message to the user in the terminal. This usually occurs before
// micro has been fully initialized -- ie if there is an error in the syntax highlighting
// regular expressions
// The function must be called when the Screen is not initialized
// This will write the message, and wait for the user
// to press and key to continue
func TermMessage(msg ...any) {
screenb := TempFini()
fmt.Println(msg...)
fmt.Print("\nPress enter to continue")
reader := bufio.NewReader(os.Stdin)
reader.ReadString('\n')
TempStart(screenb)
}
// TermPrompt prints a prompt and requests the user for a response
// The result is matched against a list of options and the index of
// the match is returned
// If wait is true, the prompt re-prompts until a valid option is
// chosen, otherwise if wait is false, -1 is returned for no match
func TermPrompt(prompt string, options []string, wait bool) int {
screenb := TempFini()
idx := -1
// same behavior as do { ... } while (wait && idx == -1)
for ok := true; ok; ok = wait && idx == -1 {
reader := bufio.NewReader(os.Stdin)
fmt.Print(prompt)
resp, _ := reader.ReadString('\n')
resp = strings.TrimSpace(resp)
for i, opt := range options {
if resp == opt {
idx = i
}
}
if wait && idx == -1 {
fmt.Println("\nInvalid choice.")
}
}
TempStart(screenb)
return idx
}
// TermError sends an error to the user in the terminal. Like TermMessage except formatted
// as an error
func TermError(filename string, lineNum int, err string) {
TermMessage(filename + ", " + strconv.Itoa(lineNum) + ": " + err)
}
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