#!/bin/bash
# =============================================================================
# Fast File Creator - Direct filesystem
# =============================================================================
# Maakt {{ files_per_teamfolder }} bestanden per teamfolder aan op het filesystem.
# Veel sneller dan WebDAV uploads (~500K bestanden in ~40 minuten).
# =============================================================================

set -euo pipefail

GROUPFOLDERS_DIR="{{ groupfolders_dir }}"
NUM_TEAMFOLDERS={{ num_teamfolders }}
FILES_PER_FOLDER={{ files_per_teamfolder }}
FILE_PREFIX="{{ dummy_file_prefix }}"
FILE_EXT="{{ dummy_file_extension }}"
FILE_CONTENT="{{ dummy_file_content }}"

echo "============================================================"
echo "Fast File Creator - Direct Filesystem"
echo "Doel: ${NUM_TEAMFOLDERS} folders x ${FILES_PER_FOLDER} bestanden"
echo "============================================================"

# Haal groupfolder mapping op (API folder_id -> disk folder number)
GF_IDS=$(mysql -u root {{ nextcloud_db_name }} -N -e \
    "SELECT folder_id FROM oc_group_folders
     WHERE mount_point LIKE '{{ teamfolder_prefix }}-%'
     ORDER BY folder_id
     LIMIT ${NUM_TEAMFOLDERS}")

TOTAL_CREATED=0
FOLDER_COUNT=0
START_TIME=$(date +%s)

for GF_ID in ${GF_IDS}; do
    FOLDER_COUNT=$((FOLDER_COUNT + 1))
    FILES_DIR="${GROUPFOLDERS_DIR}/${GF_ID}/files"

    # Maak files directory aan als die niet bestaat
    mkdir -p "${FILES_DIR}"

    # Tel bestaande bestanden
    EXISTING=$(find "${FILES_DIR}" -maxdepth 1 -name "${FILE_PREFIX}-*.${FILE_EXT}" 2>/dev/null | wc -l)
    if [ "${EXISTING}" -ge "${FILES_PER_FOLDER}" ]; then
        echo "[SKIP] Folder ${FOLDER_COUNT} (gf_id=${GF_ID}): ${EXISTING} bestanden bestaan al"
        TOTAL_CREATED=$((TOTAL_CREATED + EXISTING))
        continue
    fi

    # Maak bestanden aan
    CREATED=0
    for i in $(seq -w 1 ${FILES_PER_FOLDER}); do
        FNAME="${FILE_PREFIX}-${i}.${FILE_EXT}"
        FPATH="${FILES_DIR}/${FNAME}"
        if [ ! -f "${FPATH}" ]; then
            echo "${FILE_CONTENT}" > "${FPATH}"
            CREATED=$((CREATED + 1))
        fi
    done

    # Fix ownership
    chown -R www-data:www-data "${FILES_DIR}"

    TOTAL_CREATED=$((TOTAL_CREATED + FILES_PER_FOLDER))
    ELAPSED=$(( $(date +%s) - START_TIME ))
    echo "[DONE] Folder ${FOLDER_COUNT} (gf_id=${GF_ID}): ${CREATED} nieuw aangemaakt (${ELAPSED}s, totaal: ${TOTAL_CREATED})"
done

ELAPSED=$(( $(date +%s) - START_TIME ))
echo ""
echo "============================================================"
echo "Voltooid in ${ELAPSED} seconden"
echo "Totaal bestanden: ${TOTAL_CREATED}"
echo "============================================================"