#!/bin/bash

# Script de déploiement unifié pour GEOSECTOR API
# Version: 4.0 (Janvier 2025)
# Auteur: Pierre (avec l'aide de Claude)
#
# Usage:
#   ./deploy-api.sh          # Déploiement local DEV (code → container geo)
#   ./deploy-api.sh rca      # Livraison RECETTE (container geo → rca-geo)
#   ./deploy-api.sh pra      # Livraison PRODUCTION (rca-geo → pra-geo)

set -euo pipefail

# =====================================
# Configuration générale
# =====================================

# Paramètre optionnel pour l'environnement cible
TARGET_ENV=${1:-dev}

# Configuration SSH
HOST_KEY="/home/pierre/.ssh/id_rsa_mbpi"
HOST_PORT="22"
HOST_USER="root"

# Configuration des serveurs
RCA_HOST="195.154.80.116"  # Serveur de recette
PRA_HOST="51.159.7.190"     # Serveur de production

# Configuration Incus
INCUS_PROJECT="default"
API_PATH="/var/www/geosector/api"
FINAL_OWNER="nginx"
FINAL_GROUP="nginx"
FINAL_OWNER_LOGS="nobody"

# Configuration de sauvegarde
BACKUP_DIR="/data/backup/geosector"

# Couleurs pour les messages
GREEN='\033[0;32m'
RED='\033[0;31m'
YELLOW='\033[0;33m'
BLUE='\033[0;34m'
NC='\033[0m' # No Color

# =====================================
# Fonctions utilitaires
# =====================================

echo_step() {
    echo -e "${GREEN}==>${NC} $1"
}

echo_info() {
    echo -e "${BLUE}Info:${NC} $1"
}

echo_warning() {
    echo -e "${YELLOW}Warning:${NC} $1"
}

echo_error() {
    echo -e "${RED}Error:${NC} $1"
    exit 1
}

# Fonction pour créer une sauvegarde locale
create_local_backup() {
    local archive_file=$1
    local backup_type=$2
    
    echo_info "Creating backup in ${BACKUP_DIR}..."
    
    if [ ! -d "${BACKUP_DIR}" ]; then
        mkdir -p "${BACKUP_DIR}" || echo_warning "Could not create backup directory ${BACKUP_DIR}"
    fi
    
    if [ -d "${BACKUP_DIR}" ]; then
        BACKUP_FILE="${BACKUP_DIR}/api-${backup_type}-$(date +%Y%m%d-%H%M%S).tar.gz"
        cp "${archive_file}" "${BACKUP_FILE}" && {
            echo_info "Backup saved to: ${BACKUP_FILE}"
            echo_info "Backup size: $(du -h "${BACKUP_FILE}" | cut -f1)"
            
            # Nettoyer les anciens backups (garder les 10 derniers)
            echo_info "Cleaning old backups (keeping last 10)..."
            ls -t "${BACKUP_DIR}"/api-${backup_type}-*.tar.gz 2>/dev/null | tail -n +11 | xargs -r rm -f && {
                REMAINING_BACKUPS=$(ls "${BACKUP_DIR}"/api-${backup_type}-*.tar.gz 2>/dev/null | wc -l)
                echo_info "Kept ${REMAINING_BACKUPS} backup(s)"
            }
        } || echo_warning "Failed to create backup in ${BACKUP_DIR}"
    fi
}

# =====================================
# Détermination de la configuration selon l'environnement
# =====================================

case $TARGET_ENV in
    "dev")
        echo_step "Configuring for LOCAL DEV deployment"
        SOURCE_TYPE="local_code"
        DEST_CONTAINER="geo"
        DEST_HOST="local"
        ENV_NAME="DEVELOPMENT"
        ;;
    "rca")
        echo_step "Configuring for RECETTE delivery"
        SOURCE_TYPE="local_container"
        SOURCE_CONTAINER="geo"
        DEST_CONTAINER="rca-geo"
        DEST_HOST="${RCA_HOST}"
        ENV_NAME="RECETTE"
        ;;
    "pra")
        echo_step "Configuring for PRODUCTION delivery"
        SOURCE_TYPE="remote_container"
        SOURCE_HOST="${RCA_HOST}"
        SOURCE_CONTAINER="rca-geo"
        DEST_CONTAINER="pra-geo"
        DEST_HOST="${PRA_HOST}"
        ENV_NAME="PRODUCTION"
        ;;
    *)
        echo_error "Unknown environment: $TARGET_ENV. Use 'dev', 'rca' or 'pra'"
        ;;
esac

echo_info "Deployment flow: ${ENV_NAME}"

# =====================================
# Création de l'archive selon la source
# =====================================

TIMESTAMP=$(date +%s)
ARCHIVE_NAME="api-deploy-${TIMESTAMP}.tar.gz"
TEMP_ARCHIVE="/tmp/${ARCHIVE_NAME}"

if [ "$SOURCE_TYPE" = "local_code" ]; then
    # DEV: Créer une archive depuis le code local
    echo_step "Creating archive from local code..."
    
    # Vérification des fichiers requis
    if [ ! -f "src/Config/AppConfig.php" ]; then
        echo_error "Configuration file missing"
    fi
    
    if [ ! -f "composer.json" ] || [ ! -f "composer.lock" ]; then
        echo_error "Composer files missing"
    fi
    
    tar --exclude='.git' \
        --exclude='.gitignore' \
        --exclude='.vscode' \
        --exclude='logs' \
        --exclude='*.template' \
        --exclude='*.sh' \
        --exclude='.env' \
        --exclude='*.log' \
        --exclude='.DS_Store' \
        --exclude='README.md' \
        --exclude="*.tar.gz" \
        --exclude='node_modules' \
        --exclude='vendor' \
        --exclude='*.swp' \
        --exclude='*.swo' \
        --exclude='*~' \
        --warning=no-file-changed \
        --no-xattrs \
        -czf "${TEMP_ARCHIVE}" . || echo_error "Failed to create archive"
    
    create_local_backup "${TEMP_ARCHIVE}" "dev"
    
elif [ "$SOURCE_TYPE" = "local_container" ]; then
    # RCA: Créer une archive depuis le container local
    echo_step "Creating archive from local container ${SOURCE_CONTAINER}..."
    
    echo_info "Switching to Incus project ${INCUS_PROJECT}..."
    incus project switch ${INCUS_PROJECT} || echo_error "Failed to switch project"
    
    # Créer l'archive directement depuis le container local
    incus exec ${SOURCE_CONTAINER} -- tar \
        --exclude='logs' \
        --exclude='uploads' \
        --warning=no-file-changed \
        -czf /tmp/${ARCHIVE_NAME} -C ${API_PATH} . || echo_error "Failed to create archive from container"
    
    # Récupérer l'archive depuis le container
    incus file pull ${SOURCE_CONTAINER}/tmp/${ARCHIVE_NAME} ${TEMP_ARCHIVE} || echo_error "Failed to pull archive from container"
    incus exec ${SOURCE_CONTAINER} -- rm -f /tmp/${ARCHIVE_NAME}
    
    create_local_backup "${TEMP_ARCHIVE}" "to-rca"
    
elif [ "$SOURCE_TYPE" = "remote_container" ]; then
    # PRA: Créer une archive depuis un container distant
    echo_step "Creating archive from remote container ${SOURCE_CONTAINER} on ${SOURCE_HOST}..."
    
    # Créer l'archive sur le serveur source
    ssh -i ${HOST_KEY} -p ${HOST_PORT} ${HOST_USER}@${SOURCE_HOST} "
        incus project switch ${INCUS_PROJECT} &&
        incus exec ${SOURCE_CONTAINER} -- tar \
            --exclude='logs' \
            --exclude='uploads' \
            --warning=no-file-changed \
            -czf /tmp/${ARCHIVE_NAME} -C ${API_PATH} .
    " || echo_error "Failed to create archive on remote"
    
    # Extraire l'archive du container vers l'hôte
    ssh -i ${HOST_KEY} -p ${HOST_PORT} ${HOST_USER}@${SOURCE_HOST} "
        incus file pull ${SOURCE_CONTAINER}/tmp/${ARCHIVE_NAME} /tmp/${ARCHIVE_NAME} &&
        incus exec ${SOURCE_CONTAINER} -- rm -f /tmp/${ARCHIVE_NAME}
    " || echo_error "Failed to extract archive from remote container"
    
    # Copier l'archive vers la machine locale pour backup
    scp -i ${HOST_KEY} -P ${HOST_PORT} ${HOST_USER}@${SOURCE_HOST}:/tmp/${ARCHIVE_NAME} ${TEMP_ARCHIVE} || echo_error "Failed to copy archive locally"
    
    create_local_backup "${TEMP_ARCHIVE}" "to-pra"
fi

ARCHIVE_SIZE=$(du -h "${TEMP_ARCHIVE}" | cut -f1)
echo_info "Archive size: ${ARCHIVE_SIZE}"

# =====================================
# Déploiement selon la destination
# =====================================

if [ "$DEST_HOST" = "local" ]; then
    # Déploiement sur container local (DEV)
    echo_step "Deploying to local container ${DEST_CONTAINER}..."
    
    echo_info "Switching to Incus project ${INCUS_PROJECT}..."
    incus project switch ${INCUS_PROJECT} || echo_error "Failed to switch to project ${INCUS_PROJECT}"
    
    echo_info "Pushing archive to container..."
    incus file push "${TEMP_ARCHIVE}" ${DEST_CONTAINER}/tmp/${ARCHIVE_NAME} || echo_error "Failed to push archive to container"
    
    echo_info "Preparing deployment directory..."
    incus exec ${DEST_CONTAINER} -- mkdir -p ${API_PATH} || echo_error "Failed to create deployment directory"
    incus exec ${DEST_CONTAINER} -- rm -rf ${API_PATH}/* || echo_warning "Could not clean deployment directory"
    
    echo_info "Extracting archive..."
    incus exec ${DEST_CONTAINER} -- tar -xzf /tmp/${ARCHIVE_NAME} -C ${API_PATH}/ || echo_error "Failed to extract archive"
    
    echo_info "Setting permissions..."
    incus exec ${DEST_CONTAINER} -- mkdir -p ${API_PATH}/logs ${API_PATH}/uploads
    incus exec ${DEST_CONTAINER} -- chown -R ${FINAL_OWNER}:${FINAL_GROUP} ${API_PATH}
    incus exec ${DEST_CONTAINER} -- find ${API_PATH} -type d -exec chmod 755 {} \;
    incus exec ${DEST_CONTAINER} -- find ${API_PATH} -type f -exec chmod 644 {} \;
    
    # Permissions spéciales pour logs et uploads
    incus exec ${DEST_CONTAINER} -- chown -R ${FINAL_OWNER}:${FINAL_OWNER_LOGS} ${API_PATH}/logs ${API_PATH}/uploads
    incus exec ${DEST_CONTAINER} -- chmod -R 775 ${API_PATH}/logs ${API_PATH}/uploads
    
    echo_info "Updating Composer dependencies..."
    incus exec ${DEST_CONTAINER} -- bash -c "cd ${API_PATH} && composer update --no-dev --optimize-autoloader" || echo_warning "Composer not available or failed"
    
    echo_info "Cleaning up..."
    incus exec ${DEST_CONTAINER} -- rm -f /tmp/${ARCHIVE_NAME}
    
else
    # Déploiement sur container distant (RCA ou PRA)
    echo_step "Deploying to remote container ${DEST_CONTAINER} on ${DEST_HOST}..."
    
    # Créer une sauvegarde sur le serveur de destination
    BACKUP_TIMESTAMP=$(date +"%Y%m%d_%H%M%S")
    REMOTE_BACKUP_DIR="${API_PATH}_backup_${BACKUP_TIMESTAMP}"
    
    echo_info "Creating backup on destination..."
    ssh -i ${HOST_KEY} -p ${HOST_PORT} ${HOST_USER}@${DEST_HOST} "
        incus project switch ${INCUS_PROJECT} &&
        incus exec ${DEST_CONTAINER} -- test -d ${API_PATH} &&
        incus exec ${DEST_CONTAINER} -- cp -r ${API_PATH} ${REMOTE_BACKUP_DIR} &&
        echo 'Backup created: ${REMOTE_BACKUP_DIR}'
    " || echo_warning "No existing installation to backup"
    
    # Transférer l'archive vers le serveur de destination
    echo_info "Transferring archive to ${DEST_HOST}..."
    
    if [ "$SOURCE_TYPE" = "local_container" ]; then
        # Pour RCA: copier depuis local vers distant
        scp -i ${HOST_KEY} -P ${HOST_PORT} ${TEMP_ARCHIVE} ${HOST_USER}@${DEST_HOST}:/tmp/${ARCHIVE_NAME} || echo_error "Failed to copy archive to destination"
    else
        # Pour PRA: copier de serveur à serveur
        ssh -i ${HOST_KEY} -p ${HOST_PORT} ${HOST_USER}@${SOURCE_HOST} "
            scp -i ${HOST_KEY} -P ${HOST_PORT} /tmp/${ARCHIVE_NAME} ${HOST_USER}@${DEST_HOST}:/tmp/${ARCHIVE_NAME}
        " || echo_error "Failed to transfer archive between servers"
        
        # Nettoyer sur le serveur source
        ssh -i ${HOST_KEY} -p ${HOST_PORT} ${HOST_USER}@${SOURCE_HOST} "rm -f /tmp/${ARCHIVE_NAME}"
    fi
    
    # Déployer sur le container de destination
    echo_info "Extracting on destination container..."
    ssh -i ${HOST_KEY} -p ${HOST_PORT} ${HOST_USER}@${DEST_HOST} "
        set -euo pipefail
        
        # Pousser l'archive dans le container
        incus project switch ${INCUS_PROJECT} &&
        incus file push /tmp/${ARCHIVE_NAME} ${DEST_CONTAINER}/tmp/${ARCHIVE_NAME} &&
        
        # Nettoyer sélectivement (préserver logs et uploads)
        incus exec ${DEST_CONTAINER} -- find ${API_PATH} -mindepth 1 -maxdepth 1 ! -name 'uploads' ! -name 'logs' -exec rm -rf {} \; 2>/dev/null || true &&
        
        # Extraire l'archive
        incus exec ${DEST_CONTAINER} -- tar -xzf /tmp/${ARCHIVE_NAME} -C ${API_PATH}/ &&
        
        # Permissions
        incus exec ${DEST_CONTAINER} -- chown -R ${FINAL_OWNER}:${FINAL_GROUP} ${API_PATH} &&
        incus exec ${DEST_CONTAINER} -- find ${API_PATH} -type d -exec chmod 755 {} \; &&
        incus exec ${DEST_CONTAINER} -- find ${API_PATH} -type f -exec chmod 644 {} \; &&
        
        # Permissions spéciales pour logs
        incus exec ${DEST_CONTAINER} -- test -d ${API_PATH}/logs &&
        incus exec ${DEST_CONTAINER} -- chown -R ${FINAL_OWNER}:${FINAL_OWNER_LOGS} ${API_PATH}/logs &&
        incus exec ${DEST_CONTAINER} -- chmod -R 775 ${API_PATH}/logs || true &&
        
        # Permissions spéciales pour uploads
        incus exec ${DEST_CONTAINER} -- test -d ${API_PATH}/uploads &&
        incus exec ${DEST_CONTAINER} -- chown -R ${FINAL_OWNER}:${FINAL_OWNER_LOGS} ${API_PATH}/uploads &&
        incus exec ${DEST_CONTAINER} -- chmod -R 775 ${API_PATH}/uploads || true &&
        
        # Composer
        incus exec ${DEST_CONTAINER} -- bash -c 'cd ${API_PATH} && composer update --no-dev --optimize-autoloader' || echo 'Composer update skipped' &&
        
        # Nettoyage
        incus exec ${DEST_CONTAINER} -- rm -f /tmp/${ARCHIVE_NAME} &&
        rm -f /tmp/${ARCHIVE_NAME}
    " || echo_error "Deployment failed on destination"
    
    echo_info "Remote backup saved: ${REMOTE_BACKUP_DIR} on ${DEST_CONTAINER}"
fi

# Nettoyage local
rm -f "${TEMP_ARCHIVE}"

# =====================================
# Résumé final
# =====================================

echo_step "Deployment completed successfully!"
echo_info "Environment: ${ENV_NAME}"

if [ "$TARGET_ENV" = "dev" ]; then
    echo_info "Deployed from local code to container ${DEST_CONTAINER}"
elif [ "$TARGET_ENV" = "rca" ]; then
    echo_info "Delivered from ${SOURCE_CONTAINER} (local) to ${DEST_CONTAINER} on ${DEST_HOST}"
elif [ "$TARGET_ENV" = "pra" ]; then
    echo_info "Delivered from ${SOURCE_CONTAINER} on ${SOURCE_HOST} to ${DEST_CONTAINER} on ${DEST_HOST}"
fi

echo_info "Deployment completed at: $(date)"

# Journaliser le déploiement
echo "$(date '+%Y-%m-%d %H:%M:%S') - API deployed to ${ENV_NAME} (${DEST_CONTAINER})" >> ~/.geo_deploy_history