#!/bin/bash
# ============================================
# Phoenix Salon - Simple FFmpeg Helper Commands
# Production-ready, no over-engineering
# ============================================

# 1. Quick clip from raw footage (start time + duration)
clip() {
  ffmpeg -i "$1" -ss "$2" -t "$3" -c:v libx264 -preset fast -crf 18 -c:a aac -b:a 128k "${4:-clip.mp4}"
  echo "✅ Clipped: ${4:-clip.mp4}"
}

# 2. Burn clean subtitles (SRT file)
burn_subtitles() {
  ffmpeg -i "$1" -vf "subtitles=$2:force_style='FontSize=48,PrimaryColour=&HFFFFFF&,OutlineColour=&H000000&,BorderStyle=3,Outline=2,Shadow=0'" -c:v libx264 -preset fast -crf 18 -c:a copy "${3:-with_subs.mp4}"
  echo "✅ Subtitles burned: ${3:-with_subs.mp4}"
}

# 3. Resize to perfect vertical 9:16 for Reels/TikTok
make_vertical() {
  ffmpeg -i "$1" -vf "scale=1080:1920:force_original_aspect_ratio=decrease,pad=1080:1920:(ow-iw)/2:(oh-ih)/2" -c:v libx264 -preset fast -crf 18 -c:a aac -b:a 128k "${2:-vertical.mp4}"
  echo "✅ Made vertical 9:16: ${2:-vertical.mp4}"
}

# 4. Add logo (bottom center, with padding)
add_logo() {
  ffmpeg -i "$1" -i "$2" -filter_complex "[1]scale=280:-1[logo];[0][logo]overlay=(W-w)/2:H-h-120" -c:v libx264 -preset fast -crf 18 -c:a copy "${3:-with_logo.mp4}"
  echo "✅ Logo added: ${3:-with_logo.mp4}"
}

# 5. Full simple export (optimized for Instagram/TikTok)
export_reel() {
  ffmpeg -i "$1" -c:v libx264 -preset slow -crf 19 -c:a aac -b:a 128k -movflags +faststart "${2:-final_reel.mp4}"
  echo "✅ Exported optimized reel: ${2:-final_reel.mp4}"
}

# Quick usage examples:
# clip raw.mp4 00:00:12 00:00:18 best_part.mp4
# burn_subtitles clip.mp4 captions.srt final.mp4
# make_vertical final.mp4 reel.mp4
# add_logo reel.mp4 logo.png branded.mp4
# export_reel branded.mp4 phoenix-reel.mp4