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

OBSIDIAN_BIN="/Applications/Obsidian.app/Contents/MacOS/obsidian"

if [[ -z "${COPILOT_TEST_VAULT_PATH:-}" ]]; then
  cat >&2 <<'EOF'
error: COPILOT_TEST_VAULT_PATH is not set.

Set it once at the user level (e.g. in ~/.zshrc or ~/.config/fish/config.fish)
to the absolute path of an Obsidian vault you've opened at least once:

  export COPILOT_TEST_VAULT_PATH="$HOME/Obsidian/CopilotTestVault"

Then re-run: npm run test:vault
EOF
  exit 1
fi

VAULT_PATH="$COPILOT_TEST_VAULT_PATH"

if [[ ! -d "$VAULT_PATH" ]]; then
  echo "error: vault directory not found: $VAULT_PATH" >&2
  exit 1
fi

if [[ ! -d "$VAULT_PATH/.obsidian" ]]; then
  echo "error: $VAULT_PATH has no .obsidian/ folder." >&2
  echo "Open the folder as a vault in Obsidian once, then re-run." >&2
  exit 1
fi

WORKTREE_ROOT="$(cd "$(dirname "$0")/.." && pwd)"
cd "$WORKTREE_ROOT"

echo "==> Installing dependencies"
npm install --prefer-offline --no-audit --no-fund

echo "==> Building plugin"
npm run build

PLUGIN_ID="$(node -p "require('./manifest.json').id")"
if [[ -z "$PLUGIN_ID" ]]; then
  echo "error: could not read plugin id from manifest.json" >&2
  exit 1
fi

PLUGIN_DIR="$VAULT_PATH/.obsidian/plugins/$PLUGIN_ID"
mkdir -p "$PLUGIN_DIR"

echo "==> Linking artifacts into $PLUGIN_DIR"
for f in main.js styles.css; do
  if [[ ! -f "$WORKTREE_ROOT/$f" ]]; then
    echo "error: expected build artifact missing: $WORKTREE_ROOT/$f" >&2
    exit 1
  fi
  ln -sfn "$WORKTREE_ROOT/$f" "$PLUGIN_DIR/$f"
done

# Write a branch- and timestamp-tagged manifest.json (real file, not a symlink)
# so Obsidian's Community plugins list visibly reflects which worktree/branch
# is loaded and when this build was deployed.
BRANCH="$(git -C "$WORKTREE_ROOT" rev-parse --abbrev-ref HEAD 2>/dev/null || echo unknown)"
BUILD_TS="$(date +%Y%m%d-%H%M%S)"
echo "==> Writing branch-tagged manifest.json (branch: $BRANCH, build: $BUILD_TS)"
rm -f "$PLUGIN_DIR/manifest.json"
SRC="$WORKTREE_ROOT/manifest.json" DEST="$PLUGIN_DIR/manifest.json" BRANCH="$BRANCH" BUILD_TS="$BUILD_TS" node -e '
  const fs = require("fs");
  const m = JSON.parse(fs.readFileSync(process.env.SRC, "utf8"));
  m.name = m.name + " [" + process.env.BRANCH + " @ " + process.env.BUILD_TS + "]";
  m.description = "[branch: " + process.env.BRANCH + " | build: " + process.env.BUILD_TS + "] " + m.description;
  fs.writeFileSync(process.env.DEST, JSON.stringify(m, null, 2) + "\n");
'

echo "==> Reloading plugin in Obsidian"
if [[ ! -x "$OBSIDIAN_BIN" ]]; then
  echo "warning: Obsidian CLI not found at $OBSIDIAN_BIN; skipping reload." >&2
else
  if ! "$OBSIDIAN_BIN" plugin:enable id="$PLUGIN_ID" >/dev/null 2>&1 \
     || ! "$OBSIDIAN_BIN" plugin:reload id="$PLUGIN_ID" >/dev/null 2>&1; then
    echo "warning: Obsidian doesn't appear to be running. Start it and the symlinked plugin will load on next open." >&2
  fi
fi

echo
echo "Done."
echo "  worktree: $WORKTREE_ROOT"
echo "  branch:   $BRANCH"
echo "  build:    $BUILD_TS"
echo "  vault:    $VAULT_PATH"
echo "  plugin:   $PLUGIN_ID"