#!/bin/bash

# 0.1 Update Resolv.conf (DNS Setup)
echo "Setting up DNS servers in /etc/resolv.conf..."
cat << EOF > /etc/resolv.conf
nameserver 2.189.44.44
nameserver 87.107.110.110
EOF

# 0.2 Update AlmaLinux GPG Key (Fix for 2024 Key Expiration)
echo "Checking and updating AlmaLinux GPG keys..."
if [ -f /etc/redhat-release ] && grep -q "AlmaLinux" /etc/redhat-release; then
    # Import the new GPG key directly from official source
    rpm --import https://almalinux.mobinhost.com/RPM-GPG-KEY-AlmaLinux
    echo "GPG keys imported successfully."
else
    echo "Not an AlmaLinux system or release file missing, skipping GPG import."
fi

# 1. Setup Backup Directory
BACKUP_DIR="/root/repo"
REPO_DIR="/etc/yum.repos.d"

echo "Setting up backup in $BACKUP_DIR..."
mkdir -p "$BACKUP_DIR"
cp "$REPO_DIR"/*.repo "$BACKUP_DIR/" 2>/dev/null

# 2. Process AlmaLinux Repos
echo "Processing AlmaLinux repository files..."
for repo_file in "$REPO_DIR"/[Aa][Ll][Mm][Aa]*.repo; do
    if [ -f "$repo_file" ]; then
        if grep -q "almalinux.mobinhost.com" "$repo_file"; then
            echo "Skipping $repo_file: Already configured for Mobinhost."
        else
            echo "Updating $repo_file..."
            sed -i 's/^\s*mirrorlist=/#mirrorlist=/g' "$repo_file"
            sed -i 's/^#\s*baseurl=/baseurl=/g' "$repo_file"
            sed -i 's|https://repo.almalinux.org/almalinux/|https://almalinux.mobinhost.com/|g' "$repo_file"
        fi
    fi
done

# 3. Install EPEL Release
if ! rpm -q epel-release > /dev/null 2>&1; then
    echo "Installing epel-release..."
    dnf install -y epel-release
else
    echo "epel-release is already installed."
fi

# 4. Process epel.repo
EPEL_FILE="$REPO_DIR/epel.repo"
if [ -f "$EPEL_FILE" ]; then
    if grep -q "epel.mobinhost.com" "$EPEL_FILE"; then
        echo "Skipping $EPEL_FILE: Already configured for Mobinhost."
    else
        echo "Updating $EPEL_FILE..."
        sed -i 's/^\s*metalink=/#metalink=/g' "$EPEL_FILE"
        sed -i 's/^#\s*baseurl=/baseurl=/g' "$EPEL_FILE"
        sed -i 's|https://download.example/pub/epel/|https://epel.mobinhost.com/|g' "$EPEL_FILE"
        sed -i 's|https://download.fedoraproject.org/pub/epel/|https://epel.mobinhost.com/|g' "$EPEL_FILE"
    fi
fi

# 5. Disable epel-cisco-openh264
CISCO_REPO="$REPO_DIR/epel-cisco-openh264.repo"
if [ -f "$CISCO_REPO" ]; then
    if grep -q "enabled=1" "$CISCO_REPO"; then
        echo "Disabling epel-cisco-openh264..."
        sed -i 's/enabled=1/enabled=0/g' "$CISCO_REPO"
    else
        echo "epel-cisco-openh264 is already disabled."
    fi
fi

# 6. Final Refresh
echo "Cleaning and refreshing DNF cache..."
dnf clean all
dnf makecache

echo "------------------------------------------------"
echo "Configuration updated successfully."
echo "Backup stored at: $BACKUP_DIR"