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

# Require container type
if [ "$#" -lt 1 ]; then
echo "Usage: $0 <container-type> [bundle-id]" >/dev/stderr
echo "Examples: $0 data | caches | app [com.example.app]" >/dev/stderr
exit 1
fi
CONTAINER_TYPE="$1"

# Optional bundle id (defaults to Pocket Casts)
if [ "$#" -ge 2 ]; then
BUNDLE_ID="$2"
else
BUNDLE_ID="au.com.shiftyjelly.podcasts"
fi

list="$(
xcrun simctl list devices 2>/dev/null | {
  runtime=""
  while IFS= read -r line; do
	case "$line" in
	  # Header lines: -- iOS 18.5 --
	  --\ *\ --)
		runtime="$(printf '%s\n' "$line" | sed -E 's/^-- (.*) --$/\1/')"
		continue
		;;
	esac

	# Device lines: ... (Booted)
	case "$line" in
	  *"(Booted)"*)
		# Skip Watch/TV
		case "$line" in *Watch*|*TV*) continue ;; esac

		# Trim leading whitespace
		trimmed="$(printf '%s\n' "$line" | sed -E 's/^[[:space:]]+//')"

		name="$(printf '%s\n' "$trimmed" | sed -E 's/^([^()]+) \(([0-9A-Fa-f-]{36})\) \(Booted\).*$/\1/')"
		udid="$(printf '%s\n' "$trimmed"   | sed -nE 's/.*\(([0-9A-Fa-f-]{36})\).*/\1/p')"

		if [ -n "$name" ] && [ -n "$udid" ] && [ -n "$runtime" ]; then
		  printf '%s (%s) (%s)\n' "$name" "$runtime" "$udid"
		fi
		;;
	esac
  done
}
)"

# Count non-empty lines
count="$(printf '%s\n' "$list" | sed '/^[[:space:]]*$/d' | wc -l | tr -d ' ')"
if [ "$count" -eq 0 ]; then
echo "No booted iOS simulators found." >/dev/stderr
exit 1
fi

# Pick with fzf if multiple
if [ "$count" -gt 1 ]; then
selection="$(printf '%s\n' "$list" | fzf --prompt='Select Simulator: ' --height=10 --reverse || true)"
[ -z "$selection" ] && exit 130
else
selection="$(printf '%s\n' "$list" | head -n1)"
fi

# UDID is the final (...) group
udid="$(printf '%s\n' "$selection" | sed -nE 's/.*\(([0-9A-Fa-f-]{36})\)$/\1/p')"

# Resolve container and open
container="$(xcrun simctl get_app_container "$udid" "$BUNDLE_ID" "$CONTAINER_TYPE" 2>/dev/null || true)"
if [ -z "$container" ]; then
echo "App '$BUNDLE_ID' does not have a '$CONTAINER_TYPE' container on: $selection" >/dev/stderr
exit 2
fi

open "$container"