#!/usr/bin/env bash
# ollie:parallel read
# ollie:tier cold
# description: Search memories by keyword, tag, or title
# Args: <query>

[ -z "$*" ] && echo "usage: memory_recall <query>" && exit 1

mem_dir="${OLLIE_MEMORY_PATH:-$HOME/.config/ollie/memory}"

[ ! -d "$mem_dir" ] && echo "error: memory directory does not exist: $mem_dir" && exit 1

query="$*"
max_files=10
max_lines=50
stale_days=14
now=$(date +%s)

# Search filenames and bodies; discard I/O errors on stale inodes
matches=$(grep -ril --include='*.md' "$query" "$mem_dir" 2>/dev/null)
[ -z "$matches" ] && echo "no matches for: $query" && exit 0

total=$(echo "$matches" | wc -l)
count=0

while IFS= read -r file; do
    count=$((count + 1))
    [ $count -gt $max_files ] && echo "(showing $max_files of $total matched files)" && break

    fname=$(basename "$file")
    # Extract date from filename instead of stat
    ts=${fname%%__*}
    if [[ $ts =~ ^([0-9]{4})([0-9]{2})([0-9]{2})T ]]; then
        fdate=$(date -d "${BASH_REMATCH[1]}-${BASH_REMATCH[2]}-${BASH_REMATCH[3]}" +%s 2>/dev/null)
        [ -n "$fdate" ] && age_days=$(( (now - fdate) / 86400 )) || age_days=0
    else
        age_days=0
    fi

    [ $age_days -ge $stale_days ] && status="STALE (${age_days}d)" || status="fresh"

    echo "=== $fname [$status] ==="
    awk -v max="$max_lines" 'NR<=max{print} NR>max{over++} END{if(over) printf "... (%d lines total, showing first %d)\n", NR, max}' "$file" 2>/dev/null || echo "error: could not read $file"
    echo
done <<< "$matches"