#!/usr/bin/env bash

#MISE description="Bootstrap a git worktree with local config, databases, and a unique port"

set -e

source "$(git rev-parse --show-toplevel)/scripts/_helpers.sh"

ensure_working_directory!

current_dir="$PWD"

# Detect the main worktree (always the first entry in porcelain output)
main_worktree="$(git worktree list --porcelain | head -1 | sed 's/^worktree //')"

if [[ "$current_dir" == "$main_worktree" ]]; then
  echo "Error: This script should be run from a worktree, not the main working tree."
  echo "Create a worktree first: git worktree add ../music_library-<name> -b <branch>"
  exit 1
fi

if [[ ! -f "$main_worktree/mise.local.toml" ]]; then
  echo "Error: $main_worktree/mise.local.toml not found."
  echo "Set up the main worktree first with 'mise run dev:setup'."
  exit 1
fi

# Determine worktree position for port offset
worktree_index=0
while IFS= read -r line; do
  worktree_index=$((worktree_index + 1))
  worktree_path="${line#worktree }"
  if [[ "$worktree_path" == "$current_dir" ]]; then
    break
  fi
done < <(git worktree list --porcelain | grep '^worktree ')

# Read main PORT and calculate new one
main_port="$(grep '^PORT' "$main_worktree/mise.local.toml" | sed 's/PORT *= *//' | tr -d "' \"")"
new_port=$((main_port + worktree_index * 100))

debug_msg "Main worktree: $main_worktree"
debug_msg "Worktree index: $worktree_index"
debug_msg "Port: $main_port -> $new_port"

# Copy mise.local.toml and update PORT
debug_msg "Copying mise.local.toml"
cp "$main_worktree/mise.local.toml" "$current_dir/mise.local.toml"
sed -i '' "s/^PORT *= *.*$/PORT = $new_port/" "$current_dir/mise.local.toml"

# Copy dev databases
debug_msg "Copying dev databases"
mkdir -p "$current_dir/data"

for db in music_library_dev.db music_library_background_dev.db music_library_telemetry_dev.db; do
  if [[ -f "$main_worktree/data/$db" ]]; then
    cp "$main_worktree/data/$db" "$current_dir/data/$db"
    debug_msg "  Copied $db"
  else
    debug_msg "  Skipped $db (not found in main worktree)"
  fi
done

# Copy .mcp.json from main worktree and update Tidewave port
debug_msg "Copying .mcp.json and updating Tidewave port to $new_port"
cp "$main_worktree/.mcp.json" "$current_dir/.mcp.json"
sed -i '' "s|http://127.0.0.1:[0-9]*/tidewave/mcp|http://127.0.0.1:${new_port}/tidewave/mcp|" "$current_dir/.mcp.json"

# Run standard dev setup
debug_msg "Running dev:setup"
mise run dev:setup

echo ""
echo "Worktree setup complete!"
echo "  Port: $new_port"
echo "  Start the server with: mise run dev:console"