#!/bin/bash

# Call function to send telemetry event
log_event() {
    if [ -n $1 ]; then
        python skyvern/analytics.py $1
    fi
}

# Function to check if a command exists
command_exists() {
    command -v "$1" &> /dev/null
}

# Ensure required commands are available
for cmd in poetry python3.11; do
    if ! command_exists "$cmd"; then
        echo "Error: $cmd is not installed." >&2
        exit 1
    fi
done

# Function to initialize .env file
initialize_env_file() {
    if [ -f ".env" ]; then
        echo ".env file already exists, skipping initialization."
        return
    fi

    echo "Initializing .env file..."
    cp .env.example .env

    # Ask for OpenAI API key
    read -p "Please enter your OpenAI API key for GPT4V (this will be stored only in your local .env file): " openai_api_key
    awk -v key="$openai_api_key" '{gsub(/OPENAI_API_KEYS=\["abc","def","ghi"\]/, "OPENAI_API_KEYS=[\"" key "\"]"); print}' .env > .env.tmp && mv .env.tmp .env


    # Ask for email or generate UUID
    read -p "Please enter your email for analytics (press enter to skip): " analytics_id
    if [ -z "$analytics_id" ]; then
        analytics_id=$(uuidgen)
    fi
    awk -v id="$analytics_id" '{gsub(/ANALYTICS_ID="anonymous"/, "ANALYTICS_ID=\"" id "\""); print}' .env > .env.tmp && mv .env.tmp .env

    echo ".env file has been initialized."
}

# Function to remove Poetry environment
remove_poetry_env() {
    local env_path
    env_path=$(poetry env info --path)
    if [ -d "$env_path" ]; then
        rm -rf "$env_path"
        echo "Removed the poetry environment at $env_path."
    else
        echo "No poetry environment found."
    fi
}

# Choose python version
choose_python_version_or_fail() {
  poetry env use python3.11 || { echo "Error: Python 3.11 is not installed."; exit 1; }
}


# Function to install dependencies
install_dependencies() {
    poetry install
}

activate_poetry_env() {
    source "$(poetry env info --path)/bin/activate"
}

install_dependencies_after_poetry_env() {
    echo "Installing playwright dependencies..."
    playwright install
}

# Function to setup PostgreSQL
setup_postgresql() {
    echo "Installing postgresql using brew"

    # Attempt to connect to the default PostgreSQL service if it's already running via psql
    if command_exists psql; then
        if pg_isready; then
            echo "PostgreSQL is already running locally."
            # Assuming the local PostgreSQL setup is ready for use
            if psql skyvern -U skyvern -c '\q'; then
                echo "Connection successful. Database and user exist."
            else
                createuser skyvern
                createdb skyvern -O skyvern
                echo "Database and user created successfully."
            fi
            return 0
        fi
    fi
    
    # Check if Docker is installed and running
    if ! command_exists docker || ! docker info > /dev/null 2>&1; then
        echo "Docker is not running or not installed. Please install or start Docker and try again."
        exit 1
    fi

    # Check if PostgreSQL is already running in a Docker container
    if docker ps | grep -q postgresql-container; then
        echo "PostgreSQL is already running in a Docker container."
    else 
        # Attempt to install and start PostgreSQL using Docker
        echo "Attempting to install PostgreSQL via Docker..."
        docker run --name postgresql-container -e POSTGRES_HOST_AUTH_METHOD=trust -d -p 5432:5432 postgres:14
        echo "PostgreSQL has been installed and started using Docker."

        # Wait for PostgreSQL to start
        echo "Waiting for PostgreSQL to start..."
        sleep 20  # Adjust sleep time as necessary
    fi

    # Assuming docker exec works directly since we've checked Docker's status before
    if docker exec postgresql-container psql -U postgres -c "\du" | grep -q skyvern; then
        echo "Database user exists."
    else
        echo "Creating database user..."
        docker exec postgresql-container createuser -U postgres skyvern
    fi

    if docker exec postgresql-container psql -U postgres -lqt | cut -d \| -f 1 | grep -qw skyvern; then
        echo "Database exists."
    else
        echo "Creating database..."
        docker exec postgresql-container createdb -U postgres skyvern -O skyvern
        echo "Database and user created successfully."
    fi
}

# Function to run Alembic upgrade
run_alembic_upgrade() {
    echo "Running Alembic upgrade..."
    alembic upgrade head
}

# Function to create organization and API token
create_organization() {
    echo "Creating organization and API token..."
    local org_output api_token
    org_output=$(python scripts/create_organization.py Skyvern-Open-Source)
    api_token=$(echo "$org_output" | awk '/token=/{gsub(/.*token='\''|'\''.*/, ""); print}')

    # Ensure .streamlit directory exists
    mkdir -p .streamlit

    # Check if secrets.toml exists and back it up
    if [ -f ".streamlit/secrets.toml" ]; then
        mv .streamlit/secrets.toml .streamlit/secrets.backup.toml
        echo "Existing secrets.toml file backed up as secrets.backup.toml"
    fi

    # Update the secrets-open-source.toml file
    echo -e "[skyvern]\nconfigs = [\n    {\"env\" = \"local\", \"host\" = \"http://0.0.0.0:8000/api/v1\", \"orgs\" = [{name=\"Skyvern\", cred=\"$api_token\"}]}\n]" > .streamlit/secrets.toml
    echo ".streamlit/secrets.toml file updated with organization details."
}

# Main function
main() {
    initialize_env_file
    choose_python_version_or_fail
    remove_poetry_env
    install_dependencies
    setup_postgresql
    activate_poetry_env
    install_dependencies_after_poetry_env
    run_alembic_upgrade
    create_organization
    log_event "skyvern-oss-setup-complete"
    echo "Setup completed successfully."
}

# Execute main function
main