Start on "cloudy"

dotfiles/local/lib/bash/tui.sh

@@ -0,0 +1,107 @@
+#!/usr/bin/env bash
+
+# verify array support
+if eval '_t=(1)' 2>/dev/null; then
+  unset _t
+else
+  echo "Error: This script requires a shell with array and local variable support (like Bash or Zsh)." >&2
+  (return 0 2>/dev/null) && return 1 || exit 1
+fi
+
+select_entry() {
+  # interactive selection from a list
+  # usage: select_entry "$prompt" "$default"
+  local prompt="${1:-Select an entry}"
+  local default_choice="${2:-}"
+  local input_data
+
+  if [[ -t 0 ]] ; then
+    echo "select_entry should be used with piped input" >&2
+    return 1
+  fi
+
+  input_data=$(cat)
+
+  if [[ -z "$input_data" ]]; then
+    return 1
+  fi
+
+  local display_prompt="$prompt"
+  if [[ -n "$default_choice" ]]; then
+    display_prompt="$prompt [$default_choice]"
+  fi
+
+  if [[ -z "${NO_FZF:-}" ]] && command -v fzf >/dev/null 2>&1; then
+    local fzf_input="$input_data"
+
+    # If a default is provided, move that line to the very top
+    # so fzf's cursor starts on it.
+    if [[ -n "$default_choice" ]]; then
+      local default_line
+      default_line=$(echo "$input_data" | grep "^$default_choice\([[:space:]]\|$\)")
+      if [[ -n "$default_line" ]]; then
+        # Remove the original line and prepend it to the top
+        fzf_input=$(printf "%s\n%s" "$default_line" "$(echo "$input_data" | grep -v "^$default_choice\([[:space:]]\|$\)")")
+      fi
+    fi
+
+    local choice
+    choice=$(echo "$fzf_input" | \
+      fzf --prompt="$prompt: " --accept-nth 1 --height '~100%' --reverse)
+    if [[ -z "$choice" ]]; then
+      [[ -n "$default_choice" ]] && echo "$default_choice" && return 0
+      return 1
+    fi
+    echo "${choice}"
+    return 0
+  else
+    local i=1
+    local lines=()
+
+    printf "\n--- %s ---\n" "$prompt" >&2
+
+    # Load lines into an array
+    while IFS= read -r line; do
+      [[ -z "$line" ]] && continue
+      printf "%2d) %s\n" "$i" "$line"
+      lines[i]="$line"
+      ((i++))
+    done <<< "$input_data"
+
+    local count=$((i - 1))
+
+    printf "%s (1-%d or word): " "$display_prompt" "$count" >&2
+    read -r choice
+
+    if [[ -z "$choice" ]]; then
+      if [[ -n "$default_choice" ]]; then
+        echo "$default_choice"
+        return 0
+      else
+        return 1
+      fi
+    fi
+
+    # Match logic
+    if [[ "$choice" =~ ^[0-9]+$ ]] && (( choice >= 1 && choice <= count )); then
+      echo "${lines[$choice]}" | awk '{print $1}'
+    else
+      # Iterate to find word match
+      local found=0
+      for (( j=1; j<=count; j++ )); do
+        local current_line="${lines[$j]}"
+        local first_word="${current_line%%[[:space:]]*}"
+        if [[ "$choice" == "$first_word" ]]; then
+          echo "$first_word"
+          found=1
+          break
+        fi
+      done
+
+      if [[ $found -eq 0 ]]; then
+        echo "Invalid selection: $choice" >&2
+        return 1
+      fi
+    fi
+  fi
+}