#!/usr/bin/env sh
set -eu

source_dir=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)
target="${XDG_CONFIG_HOME:-$HOME/.config}/zed"
timestamp=$(date +%Y%m%d-%H%M%S)
backup="$target/backups/portable-install-$timestamp"

mkdir -p "$target/scripts" "$backup"
for name in settings.json keymap.json tasks.json; do
  if [ -f "$target/$name" ]; then
    cp "$target/$name" "$backup/$name"
  fi
done

cp "$source_dir/settings.json" "$target/settings.json"
cp "$source_dir/keymap.json" "$target/keymap.json"
cp "$source_dir/scripts/toggle-file-scan-exclusions.mjs" "$target/scripts/toggle-file-scan-exclusions.mjs"
cp "$source_dir/scripts/file-exclusions.json" "$target/scripts/file-exclusions.json"
cp "$source_dir/scripts/zed-settings-sync.mjs" "$target/scripts/zed-settings-sync.mjs"
if [ ! -f "$target/scripts/settings-sync.json" ]; then
  cp "$source_dir/scripts/settings-sync.json" "$target/scripts/settings-sync.json"
fi

node - "$target/scripts/settings-sync.json" <<'NODE_STATE'
const fs = require("node:fs");
const statePath = process.argv[2];
const source = JSON.parse(fs.readFileSync(statePath, "utf8"));
const state = {
  gist_id: typeof source.gist_id === "string" ? source.gist_id : "",
  last_synced_hash: typeof source.last_synced_hash === "string" ? source.last_synced_hash : "",
  auto_sync: source.auto_sync === true,
  interval_minutes: Number.isInteger(source.interval_minutes) && source.interval_minutes >= 5 ? source.interval_minutes : 15,
  last_run_at: typeof source.last_run_at === "string" ? source.last_run_at : "",
  last_result: typeof source.last_result === "string" ? source.last_result : "",
};
fs.writeFileSync(statePath, `${JSON.stringify(state, null, 2)}\n`, "utf8");
NODE_STATE

node - "$source_dir/tasks.json" "$target/tasks.json" "$target/scripts/toggle-file-scan-exclusions.mjs" "$target/scripts/zed-settings-sync.mjs" <<'NODE'
const fs = require("node:fs");
const [source, target, toggleScript, syncScript] = process.argv.slice(2);
const tasks = fs.readFileSync(source, "utf8")
  .replaceAll("__TOGGLE_SCRIPT__", toggleScript)
  .replaceAll("__SYNC_SCRIPT__", syncScript);
fs.writeFileSync(target, tasks);
NODE

printf 'Installed Zed configuration to %s\n' "$target"
printf 'Previous configuration backed up to %s\n' "$backup"