#!/bin/bash
# Switch to the iTerm tab running a given tmux session
# Usage: ~/open-tmux-session <session-name>

export PATH="/opt/homebrew/bin:/usr/local/bin:/usr/bin:/bin:$PATH"

SESSION="$1"
[ -z "$SESSION" ] && echo "Usage: open-tmux-session <session-name>" && exit 1

# Find the tty attached to this tmux session
TARGET_TTY=$(tmux list-clients -t "$SESSION" -F "#{client_tty}" 2>/dev/null | head -1)

if [ -n "$TARGET_TTY" ]; then
    # Find and switch to the iTerm tab with this tty
    osascript << APPLESCRIPT
tell application "iTerm2"
    activate
    set foundIt to false
    repeat with w in windows
        tell w
            set tabCount to count of tabs
            repeat with i from 1 to tabCount
                set theTab to item i of tabs
                repeat with theSession in sessions of theTab
                    set sessionTTY to tty of theSession
                    if sessionTTY is "$TARGET_TTY" then
                        set index of w to 1
                        select theTab
                        set foundIt to true
                        exit repeat
                    end if
                end repeat
                if foundIt then exit repeat
            end repeat
        end tell
        if foundIt then exit repeat
    end repeat
end tell
APPLESCRIPT
else
    # No client attached — create a new iTerm tab and attach
    osascript << APPLESCRIPT
tell application "iTerm2"
    activate
    tell current window
        set newTab to (create tab with default profile)
        tell current session of newTab
            write text "tmux attach -t $SESSION"
        end tell
    end tell
end tell
APPLESCRIPT
fi