#!/usr/bin/env bash

BASE="/mnt/INTEL-SSD/ownCloud - Joe Gitta@cloud.jgitta.com/Personal/InstantUpload"
UNSORTED="$BASE/_unsorted"
LOG="/var/log/organize_photos.log"
moved=0; skipped=0; unsorted=0; errors=0

echo "=== $(date +%Y-%m-%d\ %H:%M:%S) Starting ===" >> "$LOG"

ts_to_ym() {
    local ts_ms="$1"
    local ts_s=$(( ts_ms / 1000 ))
    date -d "@$ts_s" "+%Y %m" 2>/dev/null
}

get_ym() {
    local f="$1"
    local b
    b=$(basename "$f")
    if [[ "$b" =~ (^|[^0-9])([0-9]{4})(0[1-9]|1[0-2])(0[1-9]|[12][0-9]|3[01]) ]]; then
        echo "${BASH_REMATCH[2]} ${BASH_REMATCH[3]}"; return
    fi
    if [[ "$b" =~ ([0-9]{4})[-_](0[1-9]|1[0-2])[-_](0[1-9]|[12][0-9]|3[01]) ]]; then
        echo "${BASH_REMATCH[1]} ${BASH_REMATCH[2]}"; return
    fi
    if [[ "$b" =~ (^|[^0-9])([0-9]{13})([^0-9]|$) ]]; then
        ts_to_ym "${BASH_REMATCH[2]}"; return
    fi
    if [[ "$b" =~ ^([0-9]{2})_([0-9]{2})_([0-9]{4})_ ]]; then
        echo "${BASH_REMATCH[3]} ${BASH_REMATCH[1]}"; return
    fi
    echo ""
}

move_file() {
    local src="$1"
    local root="$2"
    local fname
    fname=$(basename "$src")
    local ym
    ym=$(get_ym "$src")
    if [[ -z "$ym" ]]; then
        mkdir -p "$UNSORTED"
        if [[ ! -e "$UNSORTED/$fname" ]]; then
            mv "$src" "$UNSORTED/$fname" && ((unsorted++)) || ((errors++))
        else
            ((skipped++))
        fi
        return
    fi
    local year month dest_dir dest
    year=$(echo "$ym" | cut -d' ' -f1)
    month=$(echo "$ym" | cut -d' ' -f2)
    dest_dir="$root/$year/$year-$month"
    dest="$dest_dir/$fname"
    mkdir -p "$dest_dir"
    if [[ -e "$dest" ]]; then
        ((skipped++)); return
    fi
    mv "$src" "$dest" && ((moved++)) || { echo "  ERROR: $fname" >> "$LOG"; ((errors++)); }
}

for SUBDIR in Camera BlueIris Facebook scans EufyVideoDir; do
    SUBPATH="$BASE/$SUBDIR"
    [[ -d "$SUBPATH" ]] || continue
    while IFS= read -r -d '' f; do
        move_file "$f" "$SUBPATH"
    done < <(find "$SUBPATH" -maxdepth 1 -type f -print0)
done

echo "  Moved: $moved  Unsorted: $unsorted  Skipped: $skipped  Errors: $errors" >> "$LOG"
echo "=== Done ===" >> "$LOG"