#!/bin/bash

# Stop direct bij errors
set -e

# --- KLEUREN ---
GREEN='\033[0;32m'
BLUE='\033[0;34m'
YELLOW='\033[1;33m'
RED='\033[0;31m'
NC='\033[0m'

# --- PADEN ---
SCRIPT_PATH=$(readlink -f "$0")
SCRIPT_DIR=$(dirname "$SCRIPT_PATH")
REPO_DIR=$(dirname "$SCRIPT_DIR")
STACKS_DIR="$REPO_DIR/1. docker-stacks" # Let op: kleine letters zoals op jouw server

echo -e "${BLUE}==========================================${NC}"
echo -e "${BLUE}🚀 Start Docker Update - $(date)${NC}"

# 1. GIT
echo -e "${YELLOW}📥 Git Pull...${NC}"
cd "$REPO_DIR"
git fetch --all
git reset --hard origin/main

# 2. TRAEFIK VOORBEREIDING (Cruciaal!)
# Traefik heeft specifieke mappen en lege bestanden nodig
TRAEFIK_DIR="$STACKS_DIR/traefik"
if [ -d "$TRAEFIK_DIR" ]; then
    echo -e "   🔨 ${YELLOW}Traefik checks uitvoeren...${NC}"
    mkdir -p "$TRAEFIK_DIR/data"
    # Certificaten bestand (moet chmod 600 zijn)
    if [ ! -f "$TRAEFIK_DIR/data/acme.json" ]; then
        touch "$TRAEFIK_DIR/data/acme.json"
        chmod 600 "$TRAEFIK_DIR/data/acme.json"
    fi
    # Externe regels bestand (voor je NAS/andere hosts)
    if [ ! -f "$TRAEFIK_DIR/data/rules/external.yml" ]; then
        mkdir -p "$TRAEFIK_DIR/data/rules"
        touch "$TRAEFIK_DIR/data/rules/external.yml"
    fi
fi

# 3. CONTAINERS STARTEN
echo -e "${YELLOW}🔄 Services starten...${NC}"
find "$STACKS_DIR" -maxdepth 2 -name "docker-compose.yml" | while read composefile; do
    dir=$(dirname "$composefile")
    service_name=$(basename "$dir")
    
    echo -e "   👉 Service: ${GREEN}$service_name${NC}"
    cd "$dir"
    
    if [ -f .env ]; then
        docker compose up -d --remove-orphans
    else
        echo -e "      ⚠️  ${RED}Geen .env gevonden! (Check je secrets op de server)${NC}"
        docker compose up -d --remove-orphans
    fi
done

echo -e "${YELLOW}🧹 Opruimen...${NC}"
docker image prune -f

echo -e "${GREEN}✅ Klaar!${NC}"