#!/usr/bin/env bash
# audiopen-ingest.sh
#
# Normalises raw AudioPen drops in inbox/raw/ into proper fleeting notes in inbox/.
# Adds frontmatter, renames to timestamp-slug format, moves to inbox/.
# Idempotent: safe to re-run. Destructive on inbox/raw/ (files are moved, not copied).
#
# Environment:
#   COUNCIL_REPO  — vault root. Default: /var/mnt/data/projects/council
#
# Exit status:
#   0 = success (even if zero files were processed)
#   1 = unexpected error

set -euo pipefail

REPO="${COUNCIL_REPO:-/var/mnt/data/projects/council}"
RAW="$REPO/inbox/raw"
OUT="$REPO/inbox"

if [ ! -d "$RAW" ]; then
    echo "audiopen-ingest: raw dir $RAW does not exist; nothing to do." >&2
    exit 0
fi
mkdir -p "$OUT"

shopt -s nullglob
count=0
for f in "$RAW"/*.md; do
    # mtime as ISO-8601 (date -r works on GNU coreutils; Bazzite ships it)
    captured=$(date -r "$f" -Iseconds)
    ts=$(date -r "$f" +%Y-%m-%d-%H%M)

    # Title: first `# ` line, else filename (without extension)
    title=$(grep -m1 '^# ' "$f" 2>/dev/null | sed 's/^# *//' || true)
    if [ -z "$title" ]; then
        title=$(basename "$f" .md)
    fi

    # Slugify: lowercase, non-alnum → dash, collapse dashes, trim, cap at 60
    slug=$(printf '%s' "$title" | tr '[:upper:]' '[:lower:]' \
        | sed 's/[^a-z0-9]/-/g' \
        | sed 's/--*/-/g' \
        | sed 's/^-*//;s/-*$//' \
        | cut -c1-60)
    [ -z "$slug" ] && slug="untitled"

    out="$OUT/${ts}_${slug}.md"

    # If target exists (same timestamp + slug), append a numeric suffix
    i=2
    while [ -e "$out" ]; do
        out="$OUT/${ts}_${slug}_${i}.md"
        i=$((i+1))
    done

    # Body: strip the first `# title` line so we regenerate it in the normalised form
    content=$(awk 'BEGIN{stripped=0} /^# / && !stripped { stripped=1; next } { print }' "$f")

    {
        echo "---"
        echo "type: fleeting"
        echo "source: audiopen"
        echo "captured: $captured"
        echo "slug: $slug"
        echo "---"
        echo
        echo "# $title"
        echo
        printf '%s\n' "$content"
    } > "$out"

    rm "$f"
    echo "ingested: $(basename "$f") → $(basename "$out")"
    count=$((count+1))
done

echo "audiopen-ingest: $count file(s) normalised."