#!/usr/bin/env bash

if [[ $# -eq 1 ]]; then
    selected=$1
else
    selected=$(ggman ls \
        | fzf --cycle \
        --bind 'tab:toggle-up,btab:toggle-down' \
        --header "Navigate with ARROW KEYS or TAB/S-TAB. Select with ENTER." \
        --border "double" \
        --border-label "tmux-sessionizer" \
        --ansi \
        --highlight-line \
    )
fi

if [[ -z $selected ]]; then
    exit 0
fi

selected_name="$(echo "$selected" | shasum -a 256 | head -c 4)_$(basename "$selected" | tr . _ | head -c 10)"

if [[ -z $TMUX ]] && ! tmux list-sessions 2>/dev/null; then
    tmux new-session -s "$selected_name" -c "$selected"
    exit 0
fi

if ! tmux has-session -t="$selected_name" 2>/dev/null; then
    tmux new-session -ds "$selected_name" -c "$selected"
fi

tmux switch-client -t "$selected_name"