#!/bin/sh

GEMLOG_DIR="gemlog"
INDEX_FILE="${GEMLOG_DIR}/index.gmi"

# 1. Write Header
echo "# Field Notes & Gemlog" > "$INDEX_FILE"
echo "" >> "$INDEX_FILE"
echo "Welcome to my log. Entries listed in reverse chronological order." >> "$INDEX_FILE"
echo "" >> "$INDEX_FILE"
echo "## Entries" >> "$INDEX_FILE"
echo "" >> "$INDEX_FILE"

# 2. Loop through posts
for file in ${GEMLOG_DIR}/*.gmi; do
    basename=$(basename "$file")
    
    [ "$basename" = "index.gmi" ] && continue
    [ ! -f "$file" ] && continue

    title=$(grep "^# " "$file" 2>/dev/null | head -n 1 | sed 's/^# //')
    [ -z "$title" ] && title="$basename"

    echo "=> ${basename} ${title}" >> "$INDEX_FILE"
done

# 3. Write Footer
echo "" >> "$INDEX_FILE"
echo "=> / Back to main capsule" >> "$INDEX_FILE"

# 4. Automatically set readable permissions on index and all posts
chmod 644 "$INDEX_FILE"
chmod 644 ${GEMLOG_DIR}/*.gmi

echo "Gemlog index and post permissions updated successfully!"
EOF