feat(easy-docker): add production stack wizard flow and modularize tui screens

scripts/easy-docker/lib/app/run.sh

@@ -1,14 +1,95 @@
 #!/usr/bin/env bash
 
+get_easy_docker_repo_root() {
+  local app_lib_dir=""
+  app_lib_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+  (cd "${app_lib_dir}/../../../.." && pwd)
+}
+
+get_easy_docker_stacks_dir() {
+  printf '%s/.easy-docker/stacks\n' "$(get_easy_docker_repo_root)"
+}
+
+is_valid_stack_name() {
+  local stack_name="${1}"
+
+  if [ -z "${stack_name}" ]; then
+    return 1
+  fi
+
+  case "${stack_name}" in
+  *[!A-Za-z0-9._-]*)
+    return 1
+    ;;
+  *)
+    return 0
+    ;;
+  esac
+}
+
+create_stack_env_file() {
+  local result_var="${1}"
+  local stack_name="${2}"
+  local stacks_dir=""
+  local env_path=""
+
+  stacks_dir="$(get_easy_docker_stacks_dir)"
+  env_path="${stacks_dir}/${stack_name}.env"
+
+  if ! mkdir -p "${stacks_dir}"; then
+    return 1
+  fi
+
+  if [ -e "${env_path}" ]; then
+    return 2
+  fi
+
+  : >"${env_path}"
+
+  printf -v "${result_var}" "%s" "${env_path}"
+  return 0
+}
+
+prompt_stack_name_with_cancel() {
+  local result_var="${1}"
+  local input_value=""
+  local input_status=0
+
+  input_value="$(prompt_new_stack_name)"
+  input_status=$?
+  if [ "${input_status}" -ne 0 ]; then
+    return 3
+  fi
+
+  input_value="$(printf '%s' "${input_value}" | tr -d '\r\n')"
+
+  case "${input_value}" in
+  /cancel | /CANCEL | /Cancel)
+    return 3
+    ;;
+  esac
+
+  printf -v "${result_var}" "%s" "${input_value}"
+  return 0
+}
+
 run_easy_docker_app() {
   local action=""
   local local_env_action=""
+  local local_production_action=""
+  local local_production_sub_action=""
+  local stack_name=""
+  local stack_env_path=""
+  local create_stack_status=0
+  local stack_input_status=0
 
   enter_alt_screen
   render_main_screen 1
 
   while true; do
     local_env_action=""
+    local_production_action=""
+    local_production_sub_action=""
     action="$(show_main_menu || true)"
 
     if [ -z "${action}" ]; then
@@ -16,6 +97,96 @@ run_easy_docker_app() {
     fi
 
     case "${action}" in
+    "Production setup")
+      while true; do
+        local_production_action="$(show_production_setup_menu || true)"
+        case "${local_production_action}" in
+        "Create new stack")
+          while true; do
+            stack_name=""
+            if ! prompt_stack_name_with_cancel stack_name; then
+              stack_input_status=$?
+              if [ "${stack_input_status}" -eq 3 ]; then
+                break
+              fi
+
+              show_warning_message "Input canceled."
+              sleep 1
+              break
+            fi
+
+            if [ -z "${stack_name}" ]; then
+              break
+            fi
+
+            if ! is_valid_stack_name "${stack_name}"; then
+              show_warning_message "Invalid stack name. Use letters, numbers, dot, underscore, or hyphen."
+              sleep 2
+              continue
+            fi
+
+            stack_env_path=""
+            if create_stack_env_file stack_env_path "${stack_name}"; then
+              local_production_sub_action="$(show_create_stack_created "${stack_name}" "${stack_env_path}" || true)"
+            else
+              create_stack_status=$?
+              if [ "${create_stack_status}" -eq 2 ]; then
+                show_warning_message "Stack already exists: ${stack_name}"
+                sleep 2
+                continue
+              else
+                show_warning_message "Could not create stack env file for: ${stack_name}"
+                sleep 2
+                break
+              fi
+            fi
+
+            case "${local_production_sub_action}" in
+            "Continue stack wizard")
+              show_warning_message "Next wizard step is coming soon."
+              sleep 2
+              ;;
+            "Back to production setup" | "") ;;
+            *)
+              show_warning_message "Unknown create-stack action: ${local_production_sub_action}"
+              sleep 1
+              ;;
+            esac
+
+            break
+          done
+          ;;
+        "Manage existing stacks")
+          local_production_sub_action="$(show_manage_stacks_placeholder || true)"
+          case "${local_production_sub_action}" in
+          "Back to production setup") ;;
+          "Back to main menu" | "")
+            render_main_screen 1
+            break
+            ;;
+          "Exit and close easy-docker")
+            return 0
+            ;;
+          *)
+            show_warning_message "Unknown manage-stacks action: ${local_production_sub_action}"
+            sleep 1
+            ;;
+          esac
+          ;;
+        "Back to main menu" | "")
+          render_main_screen 1
+          break
+          ;;
+        "Exit and close easy-docker")
+          return 0
+          ;;
+        *)
+          show_warning_message "Unknown production action: ${local_production_action}"
+          sleep 1
+          ;;
+        esac
+      done
+      ;;
     "Environment check")
       local_env_action="$(show_environment_status || true)"
       case "${local_env_action}" in

scripts/easy-docker/lib/ui/screens.sh

@@ -1,69 +1,15 @@
 #!/usr/bin/env bash
 
-render_main_screen() {
+load_ui_screen_modules() {
-  local clear_screen="${1:-0}"
+  local screens_dir=""
-  local header_text=""
+  screens_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)/screens"
 
-  if [ "${clear_screen}" = "1" ]; then
+  # shellcheck source=scripts/easy-docker/lib/ui/screens/base.sh
-    clear
+  source "${screens_dir}/base.sh"
-  fi
+  # shellcheck source=scripts/easy-docker/lib/ui/screens/production.sh
-
+  source "${screens_dir}/production.sh"
-  header_text="$(printf "Easy Frappe Docker\nManage Docker setups quickly and easily")"
+  # shellcheck source=scripts/easy-docker/lib/ui/screens/environment.sh
-
+  source "${screens_dir}/environment.sh"
-  gum style \
-    --border rounded \
-    --border-foreground 63 \
-    --padding "1 2" \
-    --margin "1 2" \
-    --foreground 252 \
-    "${header_text}"
 }
 
-show_main_menu() {
+load_ui_screen_modules
-  gum choose \
-    --height 7 \
-    --header "Choose an action" \
-    --cursor.foreground 63 \
-    --selected.foreground 45 \
-    "Environment check" \
-    "Exit"
-}
-
-show_environment_status() {
-  local docker_status="not installed"
-  local docker_daemon_status="not running"
-  local status_text=""
-
-  if command_exists docker; then
-    docker_status="installed"
-
-    if docker_daemon_running; then
-      docker_daemon_status="running"
-    fi
-  fi
-
-  render_main_screen 1 >&2
-
-  status_text="$(printf "Environment status\n\n- docker: %s\n- docker daemon: %s" "${docker_status}" "${docker_daemon_status}")"
-
-  gum style \
-    --border rounded \
-    --border-foreground 63 \
-    --padding "1 2" \
-    --margin "0 2" \
-    --foreground 252 \
-    "${status_text}" >&2
-
-  gum choose \
-    --height 6 \
-    --header "Environment actions" \
-    --cursor.foreground 63 \
-    --selected.foreground 45 \
-    "Back to main menu" \
-    "Exit and close easy-docker"
-}
-
-show_warning_message() {
-  local message="${1}"
-  gum style --foreground 214 "${message}"
-}

scripts/easy-docker/lib/ui/screens/base.sh

@@ -0,0 +1,89 @@
+#!/usr/bin/env bash
+
+get_terminal_cols() {
+  local cols="80"
+
+  if command_exists tput; then
+    cols="$(tput cols 2>/dev/null || printf "80")"
+  fi
+
+  if ! [[ "${cols}" =~ ^[0-9]+$ ]] || [ "${cols}" -le 0 ]; then
+    cols="80"
+  fi
+
+  printf '%s\n' "${cols}"
+}
+
+get_box_wrap_width() {
+  local cols=""
+  local width=""
+
+  cols="$(get_terminal_cols)"
+  width="$((cols - 16))"
+
+  if [ "${width}" -lt 12 ]; then
+    width="12"
+  fi
+
+  printf '%s\n' "${width}"
+}
+
+wrap_box_text() {
+  local raw_text="${1}"
+  local wrap_width=""
+
+  wrap_width="$(get_box_wrap_width)"
+
+  if command_exists fold; then
+    printf '%s' "${raw_text}" | fold -s -w "${wrap_width}"
+    return
+  fi
+
+  printf '%s' "${raw_text}"
+}
+
+render_box_message() {
+  local raw_text="${1}"
+  local margin="${2:-0 2}"
+  local padding="${3:-0 1}"
+  local wrapped_text=""
+
+  wrapped_text="$(wrap_box_text "${raw_text}")"
+
+  gum style \
+    --border rounded \
+    --border-foreground 63 \
+    --padding "${padding}" \
+    --margin "${margin}" \
+    --foreground 252 \
+    "${wrapped_text}"
+}
+
+render_main_screen() {
+  local clear_screen="${1:-0}"
+  local header_text=""
+
+  if [ "${clear_screen}" = "1" ]; then
+    clear
+  fi
+
+  header_text="$(printf "Easy Frappe Docker\nManage Docker setups quickly and easily")"
+
+  render_box_message "${header_text}" "1 2" "0 1"
+}
+
+show_main_menu() {
+  gum choose \
+    --height 7 \
+    --header "Choose an action" \
+    --cursor.foreground 63 \
+    --selected.foreground 45 \
+    "Production setup" \
+    "Environment check" \
+    "Exit"
+}
+
+show_warning_message() {
+  local message="${1}"
+  gum style --foreground 214 "${message}"
+}

scripts/easy-docker/lib/ui/screens/environment.sh

@@ -0,0 +1,29 @@
+#!/usr/bin/env bash
+
+show_environment_status() {
+  local docker_status="not installed"
+  local docker_daemon_status="not running"
+  local status_text=""
+
+  if command_exists docker; then
+    docker_status="installed"
+
+    if docker_daemon_running; then
+      docker_daemon_status="running"
+    fi
+  fi
+
+  render_main_screen 1 >&2
+
+  status_text="$(printf "Environment status\n\n- docker: %s\n- docker daemon: %s" "${docker_status}" "${docker_daemon_status}")"
+
+  render_box_message "${status_text}" "0 2" >&2
+
+  gum choose \
+    --height 6 \
+    --header "Environment actions" \
+    --cursor.foreground 63 \
+    --selected.foreground 45 \
+    "Back to main menu" \
+    "Exit and close easy-docker"
+}

scripts/easy-docker/lib/ui/screens/production.sh

@@ -0,0 +1,75 @@
+#!/usr/bin/env bash
+
+show_production_setup_menu() {
+  local status_text=""
+
+  render_main_screen 1 >&2
+
+  status_text="$(printf "Production setup\n\nChoose whether to create a new stack or manage an existing one.")"
+
+  render_box_message "${status_text}" "0 2" >&2
+
+  gum choose \
+    --height 8 \
+    --header "Production setup actions" \
+    --cursor.foreground 63 \
+    --selected.foreground 45 \
+    "Create new stack" \
+    "Manage existing stacks" \
+    "Back to main menu" \
+    "Exit and close easy-docker"
+}
+
+prompt_new_stack_name() {
+  local status_text=""
+
+  render_main_screen 1 >&2
+
+  status_text="$(printf "Create new stack\n\nEnter a stack name.\nType /cancel or press Ctrl+C to abort.")"
+
+  render_box_message "${status_text}" "0 2" >&2
+
+  gum input \
+    --header "Stack name (/cancel to abort)" \
+    --prompt "name> " \
+    --placeholder "my-production-stack"
+}
+
+show_create_stack_created() {
+  local stack_name="${1}"
+  local env_path="${2}"
+  local status_text=""
+
+  render_main_screen 1 >&2
+
+  status_text="$(printf "Create new stack\n\nStack created: %s\nEnv file: %s" "${stack_name}" "${env_path}")"
+
+  render_box_message "${status_text}" "0 2" >&2
+
+  gum choose \
+    --height 6 \
+    --header "Create stack actions" \
+    --cursor.foreground 63 \
+    --selected.foreground 45 \
+    "Continue stack wizard" \
+    "Back to production setup"
+}
+
+show_manage_stacks_placeholder() {
+  local status_text=""
+
+  render_main_screen 1 >&2
+
+  status_text="$(printf "Manage existing stacks")"
+
+  render_box_message "${status_text}" "0 2" >&2
+
+  gum choose \
+    --height 7 \
+    --header "Manage stacks actions" \
+    --cursor.foreground 63 \
+    --selected.foreground 45 \
+    "Back to production setup" \
+    "Back to main menu" \
+    "Exit and close easy-docker"
+}