#!/usr/bin/env bash
set -euo pipefail

# Replace the current zellij tab by opening a layout in a new tab
# and closing the original tab.
#
# Usage:
#   zellij-replace-tab-layout.sh            # uses "dev"
#   zellij-replace-tab-layout.sh dev
#   zellij-replace-tab-layout.sh my-layout

layout="${1:-dev}"

case "${layout}" in
  -h|--help)
    cat <<'EOF'
zellij-replace-tab-layout.sh

Replace the current zellij tab with a new tab created from a layout.
This avoids `zellij action override-layout` glitches.

Usage:
  zellij-replace-tab-layout.sh [layout]

Examples:
  zellij-replace-tab-layout.sh
  zellij-replace-tab-layout.sh dev
  zellij-replace-tab-layout.sh dotfiles
EOF
    exit 0
    ;;
esac

if ! command -v zellij >/dev/null 2>&1; then
  echo "zellij not found in PATH" >&2
  exit 1
fi

if [ -z "${ZELLIJ:-}" ]; then
  echo "Not inside a zellij session (ZELLIJ is not set)" >&2
  exit 1
fi

current_tab_id="$(zellij action current-tab-info | awk '/^id:/ { print $2 }')"

if [ -z "$current_tab_id" ]; then
  echo "Failed to detect current tab id" >&2
  exit 1
fi

zellij action new-tab --layout "$layout" >/dev/null
zellij action close-tab --tab-id "$current_tab_id"