#!/bin/bash
# Landvex Site Manager — Eget verktyg för att hantera webbplatser
# Användning: ./site-manager.sh [kommando] [parametrar]

set -e

SITES=("quixzoom" "landvex")
S3_BUCKETS=("s3://quixzoom-landing-prod" "s3://landvex-prod")
CF_DISTRIBUTIONS=("EE30B9WM5ZYM7" "E2M3J95HLUR89H")
WORKSPACE="/opt/amos/public"

color_red='\033[0;31m'
color_green='\033[0;32m'
color_yellow='\033[1;33m'
color_nc='\033[0m'

log() { echo -e "${color_green}[$(date +%H:%M:%S)]${color_nc} $1"; }
warn() { echo -e "${color_yellow}[$(date +%H:%M:%S)] WARNING:${color_nc} $1"; }
error() { echo -e "${color_red}[$(date +%H:%M:%S)] ERROR:${color_nc} $1"; exit 1; }

show_help() {
    cat << 'EOF'
Landvex Site Manager — Kommandon:

  sync [site]              Synka lokala filer till S3 + invalidera CloudFront
  sync-all                 Synka alla sajter
  check [site]             Kolla skillnader mellan lokal och S3
  status                   Visa status för alla sajter
  fix-contrast [site]      Fixa kontrastproblem automatiskt
  fix-mobile [site]        Fixa mobilanpassning automatiskt
  add-terms [file] [n]     Lägg till n termer i glossary från fil
  validate [site]          Validera HTML, CSS, kontrast
  backup [site]            Skapa backup av S3-bucket
  restore [site] [date]    Återställ från backup

Exempel:
  ./site-manager.sh sync landvex
  ./site-manager.sh fix-mobile quixzoom
  ./site-manager.sh add-terms nya-termer.txt 20
EOF
}

sync_site() {
    local site=$1
    local idx=-1
    for i in "${!SITES[@]}"; do
        if [[ "${SITES[$i]}" == "$site" ]]; then idx=$i; break; fi
    done
    [[ $idx -eq -1 ]] && error "Okänd sajt: $site"
    
    log "Synkar $site..."
    aws s3 sync "${WORKSPACE}/${site}/" "${S3_BUCKETS[$idx]}" --delete
    log "Invaliderar CloudFront..."
    aws cloudfront create-invalidation \
        --distribution-id "${CF_DISTRIBUTIONS[$idx]}" \
        --paths "/*" \
        --query 'Invalidation.Id' --output text
    log "$site synkad och invaliderad!"
}

sync_all() {
    for site in "${SITES[@]}"; do
        sync_site "$site"
    done
}

check_diff() {
    local site=$1
    local idx=-1
    for i in "${!SITES[@]}"; do
        if [[ "${SITES[$i]}" == "$site" ]]; then idx=$i; break; fi
    done
    [[ $idx -eq -1 ]] && error "Okänd sajt: $site"
    
    log "Kollar skillnader för $site..."
    aws s3 sync "${WORKSPACE}/${site}/" "${S3_BUCKETS[$idx]}" --dry-run
}

show_status() {
    log "=== SAJTSTATUS ==="
    for i in "${!SITES[@]}"; do
        local site=${SITES[$i]}
        local local_files=$(find "${WORKSPACE}/${site}" -type f | wc -l)
        local s3_files=$(aws s3 ls "${S3_BUCKETS[$i]}" --recursive | wc -l)
        log "$site: $local_files lokala filer, $s3_files filer på S3"
    done
}

fix_contrast() {
    local site=$1
    log "Fixar kontrast för $site..."
    
    find "${WORKSPACE}/${site}" -name "*.html" -exec sed -i \
        -e 's/#f0f0f0/#1a1a1a/g' \
        -e 's/#e0e0e0/#2a2a2a/g' \
        -e 's/#cccccc/#333333/g' \
        {} +
    
    log "Kontrast fixad! Glöm inte att synka."
}

fix_mobile() {
    local site=$1
    log "Fixar mobilanpassning för $site..."
    
    # Lägg till mobil-CSS om det saknas
    find "${WORKSPACE}/${site}" -name "*.html" | while read -r file; do
        if ! grep -q "@media.*max-width.*640" "$file"; then
            sed -i '/<\/style>/i\
@media (max-width: 640px) {\
  .hero h1 { font-size: 2rem !important; }\
  .hero p { font-size: 1rem !important; }\
  .card { padding: 1.5rem !important; }\
  .grid { grid-template-columns: 1fr !important; }\
  .btn { padding: 0.75rem 1.5rem !important; font-size: 1rem !important; }\
}' "$file"
        fi
    done
    
    log "Mobilanpassning fixad! Glöm inte att synka."
}

add_terms() {
    local file=$1
    local n=${2:-10}
    
    [[ ! -f "$file" ]] && error "Fil finns inte: $file"
    
    log "Lägger till $n termer från $file..."
    
    local glossary="${WORKSPACE}/quixzoom/glossary.html"
    local count=0
    
    while IFS='|' read -r term short long category && [[ $count -lt $n ]]; do
        [[ -z "$term" ]] && continue
        
        # Skapa term-card HTML
        local html="
    <div class=\"term-card\">
      <div class=\"term-header\">
        <h3 class=\"term-name\">$term</h3>
        <span class=\"term-category\">${category:-Technical}</span>
      </div>
      <p class=\"term-short\">$short</p>
      <p class=\"term-long\">$long</p>
    </div>"
        
        # Lägg till före </main> eller </body>
        sed -i "/<\/main>/i\\$html" "$glossary"
        
        ((count++))
        log "  Tillagd: $term"
    done < "$file"
    
    log "$count termer tillagda!"
}

validate_site() {
    local site=$1
    log "Validerar $site..."
    
    local errors=0
    
    # Kolla HTML-filer
    while IFS= read -r -d '' file; do
        # Kolla kontrast
        if grep -q "#f0f0f0\|#e0e0e0\|#cccccc" "$file"; then
            warn "Låg kontrast i: $file"
            ((errors++))
        fi
        
        # Kolla mobil-CSS
        if ! grep -q "@media.*max-width" "$file"; then
            warn "Saknar mobil-CSS i: $file"
            ((errors++))
        fi
        
        # Kolla alt-text på bilder
        if grep -q '<img[^>]*>' "$file" && ! grep -q 'alt="[^"]*"' "$file"; then
            warn "Bild utan alt-text i: $file"
            ((errors++))
        fi
    done < <(find "${WORKSPACE}/${site}" -name "*.html" -print0)
    
    if [[ $errors -eq 0 ]]; then
        log "$site är validerad! Inga fel hittade."
    else
        warn "$site har $errors varningar."
    fi
}

backup_site() {
    local site=$1
    local idx=-1
    for i in "${!SITES[@]}"; do
        if [[ "${SITES[$i]}" == "$site" ]]; then idx=$i; break; fi
    done
    [[ $idx -eq -1 ]] && error "Okänd sajt: $site"
    
    local date=$(date +%Y%m%d-%H%M%S)
    local backup_bucket="s3://landvex-backups/${site}-${date}"
    
    log "Skapar backup av $site till $backup_bucket..."
    aws s3 sync "${S3_BUCKETS[$idx]}" "$backup_bucket"
    log "Backup klar: $backup_bucket"
}

# Main
case "${1:-help}" in
    sync) sync_site "$2" ;;
    sync-all) sync_all ;;
    check) check_diff "$2" ;;
    status) show_status ;;
    fix-contrast) fix_contrast "$2" ;;
    fix-mobile) fix_mobile "$2" ;;
    add-terms) add_terms "$2" "$3" ;;
    validate) validate_site "$2" ;;
    backup) backup_site "$2" ;;
    *) show_help ;;
esac