#!/bin/sh
set -e

##########################################
# Global modifications before entrypoint #
##########################################

# Corrects permissions for s6 v3
################################

PUID="${PUID:-0}"
PGID="${PGID:-0}"

if [ -f /ha_entrypoint.sh ]; then
    chown -R "$PUID:$PGID" /ha_entrypoint.sh
    chmod -R 755 /ha_entrypoint.sh
fi

if [ -d /etc/cont-init.d ]; then
    chown -R "$PUID:$PGID" /etc/cont-init.d
    chmod -R 755 /etc/cont-init.d
fi

if [ -d /etc/services.d ]; then
    chown -R "$PUID:$PGID" /etc/services.d
    chmod -R 755 /etc/services.d
fi

if [ -d /etc/s6-rc.d ]; then
    chown -R "$PUID:$PGID" /etc/s6-rc.d
    chmod -R 755 /etc/s6-rc.d
fi

# Correct shebang in entrypoint
###############################

# Make s6 contenv if needed
mkdir -p /run/s6/container_environment

# Check if shebang exists
for shebang in "/command/with-contenv bashio" "/usr/bin/env bashio" "/usr/bin/with-contenv bashio" "/usr/bin/bashio" "/usr/bin/bash" "/usr/bin/sh" "/bin/bash" "/bin/sh"; do
    command_path="${shebang%% *}"
    if [ -x "$command_path" ] && "$command_path" echo "yes" > /dev/null 2>&1; then
        echo "Valid shebang: $shebang"
        break
    fi
done

# Define shebang
sed -i "s|/command/with-contenv bashio|$shebang|g" /ha_entrypoint.sh

# Correct for scripts
for string in "/command/with-contenv bashio" "/usr/bin/with-contenv bashio"; do
    grep -sril "$string" /etc/cont-init.d /etc/services.d /etc/s6-overlay/s6-rc.d | while read -r files; do
        sed -i "s|$string|$shebang|g" "$files"
    done
done

# Avoid interference with LOG_LEVEL used in the app
if [ -f /usr/lib/bashio/bashio.sh ]; then
    sed -i 's|{LOG_LEVEL:|{BASHIO_LOG_LEVEL:|g' /usr/lib/bashio/bashio.sh
fi