fullscreen TUI from start: pretty box drawings, module selection with y/N, progress bar during execution

lib/tui-fs.sh

@@ -3,14 +3,12 @@
 TUI_FS_ACTIVE=0
 TUI_FS_ROWS=0
 TUI_FS_COLS=0
-TUI_FS_OVERALL_CURRENT=0
-TUI_FS_OVERALL_TOTAL=0
-TUI_FS_MODULE_LABEL=""
+TUI_FS_CURRENT=0
+TUI_FS_TOTAL=0
+TUI_FS_LABEL=""
 TUI_FS_SAVED_STTY=""
 
 tui_fs_init() {
-  ((OMERON_HAS_GUM)) || return 1
-
   TUI_FS_SAVED_STTY=$(stty -g 2>/dev/null || true)
   TUI_FS_ROWS=$(tput lines 2>/dev/null || echo 24)
   TUI_FS_COLS=$(tput cols 2>/dev/null || echo 80)
@@ -20,6 +18,7 @@ tui_fs_init() {
   tput clear 2>/dev/null || true
 
   TUI_FS_ACTIVE=1
+  _tui_fs_draw_selection_banner
 }
 
 tui_fs_exit() {
@@ -30,50 +29,156 @@ tui_fs_exit() {
   [[ -n "$TUI_FS_SAVED_STTY" ]] && stty "$TUI_FS_SAVED_STTY" 2>/dev/null || true
 }
 
-tui_fs_set_overall() {
-  TUI_FS_OVERALL_CURRENT=$1
-  TUI_FS_OVERALL_TOTAL=$2
-  TUI_FS_MODULE_LABEL="${3:-}"
-  _tui_fs_draw_screen
+_tui_fs_hline() {
+  local len=$1
+  local i
+  for ((i=0; i<len; i++)); do printf '─'; done
 }
 
-_tui_fs_draw_screen() {
+_tui_fs_title() {
+  local cols=$TUI_FS_COLS
+  local c=$((cols - 4))
+  ((c < 30)) && c=30
+  printf '\033[1;36m╭%s╮\033[0m\n' "$(_tui_fs_hline "$c")"
+  printf '\033[1;36m│\033[0m  \033[1;37m◆  Omeron\033[0m  —  \033[2mModular System Setup\033[0m  \033[1;36m│\033[0m\n'
+  printf '\033[1;36m╰%s╯\033[0m\n' "$(_tui_fs_hline "$c")"
+  printf '\n'
+}
+
+_tui_fs_draw_selection_banner() {
+  [[ "$TUI_FS_ACTIVE" -eq 0 ]] && return
+  tput clear 2>/dev/null || true
+  _tui_fs_title
+}
+
+tui_fs_show_msg() {
+  [[ "$TUI_FS_ACTIVE" -eq 0 ]] && { printf '%s\n' "$*"; return; }
+  printf '  \033[1;34m▶\033[0m %s\n' "$*"
+}
+
+tui_fs_show_ok() {
+  [[ "$TUI_FS_ACTIVE" -eq 0 ]] && { printf '%s\n' "$*"; return; }
+  printf '  \033[1;32m✓\033[0m %s\n' "$*"
+}
+
+tui_fs_start_execution() {
+  [[ "$TUI_FS_ACTIVE" -eq 0 ]] && return
+  TUI_FS_CURRENT=0
+  TUI_FS_TOTAL=0
+  TUI_FS_LABEL=""
+}
+
+tui_fs_set_step() {
+  [[ "$TUI_FS_ACTIVE" -eq 0 ]] && return
+  TUI_FS_CURRENT=$1
+  TUI_FS_TOTAL=$2
+  TUI_FS_LABEL="${3:-}"
+  _tui_fs_draw_exec_header
+}
+
+_tui_fs_draw_exec_header() {
   [[ "$TUI_FS_ACTIVE" -eq 0 ]] && return
   tput cup 0 0 2>/dev/null || true
   tput clear 2>/dev/null || true
 
   local cols=$TUI_FS_COLS
-  local cols_safe=$((cols > 60 ? cols : 60))
+  local c=$((cols - 4))
+  ((c < 30)) && c=30
+  local hline
+  hline="$(_tui_fs_hline "$c")"
 
-  printf "\033[7m  %-*s\033[0m\n" $((cols_safe - 2)) " Omeron — Modular System Setup"
-
-  if [[ -n "$TUI_FS_MODULE_LABEL" ]]; then
-    printf "  Module: %-*s" $((cols_safe - 18)) "$TUI_FS_MODULE_LABEL"
-    if ((TUI_FS_OVERALL_TOTAL > 0)); then
-      printf "  [%d/%d]" "$TUI_FS_OVERALL_CURRENT" "$TUI_FS_OVERALL_TOTAL"
-    fi
-    printf "\n"
-  else
-    printf "\n"
+  printf '\033[1;36m╭%s╮\033[0m\n' "$hline"
+  local title="◆  Omeron"
+  if [[ -n "$TUI_FS_LABEL" ]]; then
+    title+="  —  ${TUI_FS_LABEL}"
   fi
-
-  local bar_width=$((cols_safe - 16))
-  ((bar_width < 10)) && bar_width=10
+  printf '\033[1;36m│\033[0m  \033[1;37m%-*s\033[0m  \033[1;36m│\033[0m\n' "$c" "$title"
 
   local progress=0
-  if ((TUI_FS_OVERALL_TOTAL > 0)); then
-    progress=$(( TUI_FS_OVERALL_CURRENT * 100 / TUI_FS_OVERALL_TOTAL ))
+  if ((TUI_FS_TOTAL > 0)); then
+    progress=$(( TUI_FS_CURRENT * 100 / TUI_FS_TOTAL ))
     ((progress > 100)) && progress=100
   fi
 
-  printf "  "
+  local bar_width=$((c - 24))
+  ((bar_width < 10)) && bar_width=10
   local filled=$(( progress * bar_width / 100 ))
+  local bar=""
   local i
-  for ((i=0; i<filled && i<bar_width; i++)); do printf '▓'; done
-  for ((i=filled; i<bar_width; i++)); do printf '░'; done
-  printf " %3d%%\n" "$progress"
+  for ((i=0; i<filled && i<bar_width; i++)); do bar+='▓'; done
+  for ((i=filled; i<bar_width; i++)); do bar+='░'; done
 
-  printf "  "
-  printf '%*s' $((cols_safe - 3)) '' | tr ' ' '─'
-  printf "\n"
+  local counter="[$TUI_FS_CURRENT/$TUI_FS_TOTAL]"
+  printf '\033[1;36m│\033[0m  %s  %s  \033[1;33m%3d%%\033[0m  \033[1;36m│\033[0m\n' "$counter" "$bar" "$progress"
+  printf '\033[1;36m╰%s╯\033[0m\n' "$hline"
+  printf '\n'
+}
+
+tui_fs_select_module() {
+  local idx="$1"
+  local total="$2"
+  local label="$3"
+  local description="${4:-$label}"
+  local required="${5:-0}"
+
+  [[ "$TUI_FS_ACTIVE" -eq 0 ]] && {
+    if ((required)); then return 0; fi
+    printf '  '
+    tui_confirm "$description" && return 0 || return 1
+  }
+
+  tput cup 4 0 2>/dev/null || true
+  tput ed 2>/dev/null || true
+
+  printf '  \033[1;36m┌─\033[0m  \033[1;37mModule %d/%d\033[0m\n' "$idx" "$total"
+  printf '  \033[1;36m│\033[0m\n'
+  printf '  \033[1;36m│\033[0m  \033[1;37m%s\033[0m\n' "$description"
+  printf '  \033[1;36m│\033[0m  \033[2m%s\033[0m\n' "$label"
+  printf '  \033[1;36m└─\033[0m\n'
+  printf '\n'
+
+  if ((required)); then
+    printf '  \033[1;33m▶\033[0m  required module\n'
+    printf '\n'
+    printf '  Press any key to continue... '
+    read -n 1 -s -r
+    printf '\n'
+    return 0
+  fi
+
+  if ((OMERON_HAS_GUM)); then
+    gum confirm "Include this module?"
+    return $?
+  fi
+
+  printf '  \033[1;36m?\033[0m  Include this module? \033[1m[Y/n]\033[0m '
+  read -r response
+  response="${response:-Y}"
+  [[ "$response" =~ ^[yY](es)?$ ]]
+  return $?
+}
+
+tui_fs_confirm_start() {
+  local count="$1"
+  [[ "$TUI_FS_ACTIVE" -eq 0 ]] && return 0
+
+  tput cup 4 0 2>/dev/null || true
+  tput ed 2>/dev/null || true
+
+  printf '  \033[1;36m┌─\033[0m  \033[1;37mSelection Complete\033[0m\n'
+  printf '  \033[1;36m│\033[0m\n'
+  printf '  \033[1;36m│\033[0m  \033[1;37m%d\033[0m module(s) selected\n' "$count"
+  printf '  \033[1;36m└─\033[0m\n'
+  printf '\n'
+
+  if ((OMERON_HAS_GUM)); then
+    gum confirm "Start installation?"
+    return $?
+  fi
+
+  printf '  \033[1;36m?\033[0m  Start installation? \033[1m[Y/n]\033[0m '
+  read -r response
+  response="${response:-Y}"
+  [[ "$response" =~ ^[yY](es)?$ ]]
+  return $?
 }