#!/bin/bash

# 🌙 SwiftBar Plugin: Symbolic Moon Phase Monitor
# Author: GPT + David
# Requires: curl, jq, awk
# Caches data for 6h to reduce API use

API_KEY="6ec71a8170214d828c08ba8bf2ca29e9"
CURL="/usr/bin/curl"
JQ="/usr/bin/jq"
AWK="/usr/bin/awk"
CACHE_FILE="$HOME/.cache/moonphase.json"
STATE_FILE="$HOME/.lunarstate"
MAX_AGE_HOURS=6

mkdir -p "$(dirname "$CACHE_FILE")"

# Check cache freshness
NEEDS_UPDATE=true
if [ -f "$CACHE_FILE" ]; then
  MOD_UNIX=$(stat -f "%m" "$CACHE_FILE")
  NOW_UNIX=$(date +%s)
  AGE_HOURS=$(( (NOW_UNIX - MOD_UNIX) / 3600 ))
  [ "$AGE_HOURS" -lt "$MAX_AGE_HOURS" ] && NEEDS_UPDATE=false
fi

# Fetch and cache
if [ "$NEEDS_UPDATE" = true ]; then
  MOON_JSON=$($CURL -s "https://api.ipgeolocation.io/astronomy?apiKey=$API_KEY")
  echo "$MOON_JSON" > "$CACHE_FILE"
else
  MOON_JSON=$(cat "$CACHE_FILE")
fi

# Extract fields
PHASE=$(echo "$MOON_JSON" | $JQ -r '.moon_phase')
ILLUM=$(echo "$MOON_JSON" | $JQ -r '.moon_illumination_percentage' | $AWK '{printf "%.0f", $1}')
MOONRISE=$(echo "$MOON_JSON" | $JQ -r '.moonrise')
MOONSET=$(echo "$MOON_JSON" | $JQ -r '.moonset')

PHASE_LC=$(echo "$PHASE" | tr '[:upper:]' '[:lower:]')

# Ritual glyphs & poetic names
declare -A ICONS=(
  ["new_moon"]="🌑"
  ["waxing_crescent"]="🌒"
  ["first_quarter"]="🌓"
  ["waxing_gibbous"]="🌔"
  ["full_moon"]="🌕"
  ["waning_gibbous"]="🌖"
  ["last_quarter"]="🌗"
  ["waning_crescent"]="🌘"
)
declare -A POETIC=(
  ["new_moon"]="Veiled Mother"
  ["waxing_crescent"]="Hesitant Flame"
  ["first_quarter"]="Climbing Eye"
  ["waxing_gibbous"]="Gathering Tide"
  ["full_moon"]="Revealed Bride"
  ["waning_gibbous"]="Harvest Wane"
  ["last_quarter"]="Parting Mirror"
  ["waning_crescent"]="Waning Daughter"
)

ICON="${ICONS[$PHASE_LC]:-❓}"
POETIC_NAME="${POETIC[$PHASE_LC]:-Unknown Phase}"

# Direction
ARROW="⬆"
[[ "$PHASE_LC" =~ ^(full_moon|waning_gibbous|last_quarter|waning_crescent)$ ]] && ARROW="⬇"

# Ritual detection
NOTICE=""
if [[ "$PHASE_LC" == "full_moon" ]]; then
  NOTICE="☽ FULL RITE ☾"
elif [[ "$PHASE_LC" == "new_moon" ]]; then
  NOTICE="☉ NEW SILENCE ☉"
fi

# Output to menubar
echo "$ICON $ARROW ${ILLUM}%"
echo "---"
echo "Phase: $(echo "$PHASE" | tr '_' ' ' | awk '{for (i=1; i<=NF; i++) $i=toupper(substr($i,1,1)) substr($i,2)} 1')"
echo "Poetic: $POETIC_NAME"
echo "Illumination: ${ILLUM}%"
echo "Moonrise: $MOONRISE"
echo "Moonset: $MOONSET"
[ -n "$NOTICE" ] && echo "$NOTICE"
echo "Last updated: $(date -r "$CACHE_FILE" "+%H:%M %Z")"

# Optional: write state file for system rituals
echo "$PHASE_LC,$ILLUM,$POETIC_NAME,$NOTICE" > "$STATE_FILE"