From 5af1faa367d56a70a871c85e3a3f377d11622d98 Mon Sep 17 00:00:00 2001
From: Aaron Kollasch <aaron@kollasch.dev>
Date: Fri, 28 Oct 2022 03:11:39 -0400
Subject: [PATCH] Add plugin for tmux-continuum status

---
 INSTALL.md           | 23 +++++++++++++-
 scripts/continuum.sh | 75 ++++++++++++++++++++++++++++++++++++++++++++
 scripts/dracula.sh   |  4 +++
 3 files changed, 101 insertions(+), 1 deletion(-)
 create mode 100755 scripts/continuum.sh

diff --git a/INSTALL.md b/INSTALL.md
index 6579094..0aadac0 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -318,4 +318,25 @@ Set the label when there is one client, or more than one client
 ```bash
 set -g @dracula-clients-singular client
 set -g @dracula-clients-plural clients
-```
\ No newline at end of file
+```
+
+#### continuum options
+
+Hide output if no save has been performed recently
+(otherwise, show the continuum save interval)
+
+```bash
+set -g @dracula-continuum-mode alert
+```
+
+Show the time since the last continuum save
+
+```bash
+set -g @dracula-continuum-mode time
+```
+
+In alert mode, show if a the last save was performed less then one minute ago (default is 15 seconds)
+
+```bash
+set -g @dracula-continuum-time-threshold 60
+```
diff --git a/scripts/continuum.sh b/scripts/continuum.sh
new file mode 100755
index 0000000..c45c514
--- /dev/null
+++ b/scripts/continuum.sh
@@ -0,0 +1,75 @@
+#!/usr/bin/env bash
+# setting the locale, some users have issues with different locales, this forces the correct one
+export LC_ALL=en_US.UTF-8
+
+# configuration
+# @dracula-continuum-mode default (default|alert|time)
+# @dracula-continuum-time-threshold 15
+
+alert_mode="@dracula-continuum-mode"
+time_threshold="@dracula-continuum-time-threshold"
+warn_threshold=15
+
+last_auto_save_option="@continuum-save-last-timestamp"
+auto_save_interval_option="@continuum-save-interval"
+auto_save_interval_default="15"
+
+current_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+source $current_dir/utils.sh
+
+current_timestamp() {
+  echo "$(date +%s)"
+}
+
+time_since_last_run_passed() {
+  local last_saved_timestamp="$(get_tmux_option "$last_auto_save_option" "0")"
+  printf "%s" "$(($(current_timestamp) - last_saved_timestamp))"
+}
+
+print_status() {
+  local mode="$(get_tmux_option "$alert_mode" "default")"
+  local threshold="$(get_tmux_option "$time_threshold" "15")"
+  local save_int="$(get_tmux_option "$auto_save_interval_option" "$auto_save_interval_default")"
+  local interval_seconds="$((save_int * 60))"
+  local status=""
+  local time_delta="$(time_since_last_run_passed)"
+  local time_delta_minutes="$((time_delta / 60))"
+
+  case "$mode" in
+    time)
+      if [[ $save_int -gt 0 ]]; then
+        if [[ "$time_delta" -gt $((interval_seconds+warn_threshold)) ]]; then
+          status="no save after $time_delta_minutes minutes!"
+        else
+          status="$time_delta_minutes"
+        fi
+      else
+        status="off"
+      fi
+      ;;
+
+    alert)
+      if [[ "$time_delta" -gt $((interval_seconds+warn_threshold)) ]]; then
+        status="no save after $time_delta_minutes minutes!"
+      elif [[ "$time_delta" -le "$threshold" ]]; then
+        status="saved"
+      elif [[ $save_int -gt 0 ]]; then
+        status=""
+      else
+        status="off"
+      fi
+      ;;
+
+    *)
+      if [[ "$time_delta" -le "$threshold" ]]; then
+        status="saved"
+      elif [[ $save_int -gt 0 ]]; then
+        status="$save_int"
+      else
+        status="off"
+      fi
+      ;;
+  esac
+  echo "$status"
+}
+print_status
diff --git a/scripts/dracula.sh b/scripts/dracula.sh
index 2354e76..0bf19c3 100755
--- a/scripts/dracula.sh
+++ b/scripts/dracula.sh
@@ -212,6 +212,10 @@ main()
       IFS=' ' read -r -a colors <<<$(get_tmux_option "@dracula-terraform-colors" "light_purple dark_gray")
       script="#($current_dir/terraform.sh $terraform_label)"
 
+    elif [ $plugin = "continuum" ]; then
+      IFS=' ' read -r -a colors <<<$(get_tmux_option "@dracula-continuum-colors" "cyan dark_gray")
+      script="#($current_dir/continuum.sh)"
+
     elif [ $plugin = "weather" ]; then
       IFS=' ' read -r -a colors <<< $(get_tmux_option "@dracula-weather-colors" "orange dark_gray")
       script="#($current_dir/weather_wrapper.sh $show_fahrenheit $show_location $fixed_location)"