#!/bin/sh

# Check arguments
if [ $# -ne 1 ]; then
    echo "Usage: $0 <rc_script>"
    exit 1
fi

RC_SCRIPT="$1"
if [ ! -f "$RC_SCRIPT" ]; then
    echo "Error: $RC_SCRIPT not found"
    exit 1
fi

# Extract service name from PROVIDE
# SERVICE_NAME=$(grep '^# PROVIDE:' "$RC_SCRIPT" | cut -d: -f2 | tr -d ' ')
# if [ -z "$SERVICE_NAME" ]; then
    # echo "Error: No PROVIDE directive found"
    # exit 1
# fi
KEYWORDS=$(grep '^# KEYWORD:' "$RC_SCRIPT" | cut -d: -f2 )

# Extract dependencies from REQUIRE
REQUIRES=$(grep '^# REQUIRE:' "$RC_SCRIPT" | cut -d: -f2 )

# Extract BEFORE
BEFORE=$(grep '^# BEFORE:' "$RC_SCRIPT" | cut -d: -f2)
eval "$(grep '^name=' "$RC_SCRIPT")"
eval "$(grep '^command=' "$RC_SCRIPT")"
eval "$(grep '^start_cmd=' "$RC_SCRIPT")"
eval "$(grep '^stop_cmd=' "$RC_SCRIPT")"

# Check for command definitions
COMMAND=$command
START_CMD=$start_cmd
STOP_CMD=$stop_cmd
if [ -n "$name" ]; then
    SERVICE_NAME=$name
else
    SERVICE_NAME=$(basename $RC_SCRIPT)
fi
# Create dinit service file
create_service_file() {
    cat > "/etc/dinit.d/$SERVICE_NAME" << EOF
# Converted from rc.d script $(basename "$RC_SCRIPT")
EOF

    # Determine service type
    if [ -n "$STOP_CMD" ]; then
        mkdir -p /etc/dinit.d/wrappers/
        create_wrapper_script
        echo "type = scripted" >> "/etc/dinit.d/$SERVICE_NAME"
        echo "command = /etc/dinit.d/wrappers/$SERVICE_NAME start" >> "/etc/dinit.d/$SERVICE_NAME"
        echo "stop-command = /etc/dinit.d/wrappers/$SERVICE_NAME stop" >> "/etc/dinit.d/$SERVICE_NAME"
    elif [ -n "$COMMAND" ]; then
        echo "type = process" >> "/etc/dinit.d/$SERVICE_NAME"
        echo "command = $COMMAND" >> "/etc/dinit.d/$SERVICE_NAME"
    else
        echo "type = internal" >> "/etc/dinit.d/$SERVICE_NAME"
    fi
    if echo "$KEYWORDS" | grep -q "interact"; then
        echo "options = runs-on-console" >> "/etc/dinit.d/$SERVICE_NAME"
        #echo "termsig = SIGINT" >> "/etc/dinit.d/$SERVICE_NAME"
    fi
    # Add dependencies
    for dep in $REQUIRES; do
        echo "depends-on = $dep" >> "/etc/dinit.d/$SERVICE_NAME"
    done

    for before in $BEFORE; do
        echo "before = $before" >> "/etc/dinit.d/$SERVICE_NAME"
        # echo "waits-for = $SERVICE_NAME" >> "/etc/dinit.d/$before"
        echo "$SERVICE_NAME" >> /tmp/before-list
        echo "$before" >> /tmp/before-list  
    done
}

create_wrapper_script() {
    cat > "/etc/dinit.d/wrappers/${SERVICE_NAME}" << EOF
#!/bin/sh
. /etc/rc.conf

# Check if service is enabled in rc.conf
service_name=\$(basename "$RC_SCRIPT")
eval "value=\\\$\$service_name"
if [ "\$value" = "NO" ]; then
    exit 0  # Exit successfully but do nothing if disabled
fi

case "\$1" in
    start)
        $RC_SCRIPT start
        ;;
    stop)
        $RC_SCRIPT stop
        ;;
    *)
        exit 1
        ;;
esac
EOF
    chmod 755 "/etc/dinit.d/wrappers/${SERVICE_NAME}"
}

# Main execution
mkdir -p /usr/local/lib/dinit.d
create_service_file

echo "Created dinit service: /etc/dinit.d/$SERVICE_NAME"