#!/bin/bash
# pm_dnf.sh - DNF package manager implementation for Fedora/RHEL systems
# 
# To add a new package manager, create a file named pm_<name>.sh with:
#   - pm_<name>_detect: Returns 0 if this PM is available, 1 otherwise
#   - pm_<name>_get_missing_deps: Prints space-separated list of missing packages
#   - pm_<name>_install_missing_deps: Installs the missing packages

# Package names required by USM
DNF_DEPS="vala meson ninja-build pkgconf-pkg-config gcc glib2-devel libsodium-devel json-glib-devel libarchive-devel libgee-devel"

# Check if this package manager is available
pm_dnf_detect() {
    command -v dnf &>/dev/null
}

# Get list of missing dependencies
pm_dnf_get_missing_deps() {
    local -a missing=()
    
    for pkg in $DNF_DEPS; do
        if ! rpm -q "$pkg" &>/dev/null; then
            missing+=("$pkg")
        fi
    done
    
    echo "${missing[*]}"
}

# Install missing dependencies
pm_dnf_install_missing_deps() {
    local missing=$(pm_dnf_get_missing_deps)
    
    if [[ -z "$missing" ]]; then
        log_info "All dependencies are already installed"
        return 0
    fi
    
    log_step "Installing packages via dnf: ${missing}"
    
    local sudo=""
    if ! is_root; then
        sudo=$(get_sudo)
    fi
    
    local dnf_opts="-y --quiet"
    if [[ "$ASSUME_YES" == "true" ]]; then
        dnf_opts="-y --quiet --skip-broken"
    fi
    
    if [[ -n "$sudo" ]]; then
        $sudo dnf makecache -q 2>/dev/null || $sudo dnf clean metadata
        $sudo dnf install $dnf_opts $missing
    else
        dnf makecache -q 2>/dev/null || dnf clean metadata
        dnf install $dnf_opts $missing
    fi
}