{ config, pkgs, lib, ... }:

{
  home.packages = with pkgs; [
    ffmpeg
    shntool
    cuetools
    flac
  ];

  programs.zsh.initContent = ''
    function audio2aac() {
      local dir="''${1:-.}"
      find "$dir" \( -name '*.flac' -o -name '*.mp3' -o -name '*.wav' -o -name '*.ogg' -o -name '*.wma' -o -name '*.aiff' \) -type f -print0 | xargs -0 -P4 -n1 sh -c '
        f="$1"
        outfile="./transcode/''${f%.*}.m4a"
        mkdir -p "$(dirname "$outfile")"
        ffmpeg -i "$f" -vn -c:a aac -b:a 256k -movflags +faststart "$outfile"
      ' _
    }

    function video2av1() {
      local height="''${1:-720}"
      local dir="''${2:-.}"
      for f in "$dir"/**/*.(mp4|mkv|avi); do
        if [[ -f "$f" ]]; then
          local outfile="./transcode/''${f%.*}.mkv"
          mkdir -p "$(dirname "$outfile")"
          ffmpeg -i "$f" \
            -c:v libsvtav1 -crf 30 -preset 6 \
            -vf "scale=-2:'min($height,ih)'" \
            -c:a copy \
            "$outfile"
        fi
      done
    }

    function cuesplit() {
      local audio="$1"
      local cue="''${2:-''${audio%.*}.cue}"
      if [[ ! -f "$audio" ]]; then
        echo "Audio file not found: $audio" >&2
        return 1
      fi
      if [[ ! -f "$cue" ]]; then
        echo "Cue file not found: $cue" >&2
        return 1
      fi
      local ext="''${audio##*.}"
      local fmt="''${ext:l}"
      mkdir -p ./tracks
      shnsplit -f "$cue" -t "%n - %t" -o "$fmt" -d ./tracks "$audio"
    }

    function camera-copy() {
      local delete_source=0
      if [[ "$1" == "-d" || "$1" == "--delete" ]]; then
        delete_source=1
        shift
      fi

      if [[ $# -ne 2 ]]; then
        echo "Usage: camera-copy [-d|--delete] <source_dir> <destination>"
        echo ""
        echo "Copy photo and video files organized by date (YYYY-MM-DD/filename)"
        echo ""
        echo "Options:"
        echo "  -d, --delete    Delete source files after successful copy"
        echo ""
        echo "Examples:"
        echo "  camera-copy /media/sdcard/DCIM ~/Videos/imports"
        echo "  camera-copy -d /Volumes/CAMERA/DCIM user@nas:/backup/camera"
        return 1
      fi

      local SOURCE="$1"
      local DEST="$2"

      if [[ ! -d "$SOURCE" ]]; then
        echo "Error: Source directory does not exist: $SOURCE"
        return 1
      fi

      _get_media_date() {
        local file="$1"
        local raw_date

        raw_date=$(${pkgs.exiftool}/bin/exiftool -s3 -d '%Y-%m-%d' \
          -DateTimeOriginal -CreateDate -MediaCreateDate "$file" 2>/dev/null | head -1)

        if [[ -n "$raw_date" && "$raw_date" != "0000-00-00" ]]; then
          echo "$raw_date"
        else
          local mtime
          mtime=$(${pkgs.coreutils}/bin/stat -c '%Y' "$file" 2>/dev/null)
          ${pkgs.coreutils}/bin/date -d "@$mtime" +%Y-%m-%d
        fi
      }

      local copied=0
      local failed=0

      while IFS= read -r -d "" file; do
        local filename=$(basename "$file")

        [[ "$filename" == .* ]] && continue

        local date_dir=$(_get_media_date "$file")
        local year=''${date_dir:0:4}

        echo "[$date_dir] $filename"

        local rsync_opts=(-a --mkpath --progress --partial --ignore-existing)
        [[ $delete_source -eq 1 ]] && rsync_opts+=(--remove-source-files)

        if ${pkgs.rsync}/bin/rsync "''${rsync_opts[@]}" "$file" "$DEST/$year/$date_dir/$filename"; then
          ((copied++)) || true
        else
          echo "  Failed to copy: $file"
          ((failed++)) || true
        fi
      done < <(find "$SOURCE" -type f \( \
        -iname "*.mp4" -o -iname "*.mov" -o -iname "*.mts" -o -iname "*.m2ts" -o -iname "*.avi" \
        -o -iname "*.jpg" -o -iname "*.jpeg" -o -iname "*.png" -o -iname "*.heic" -o -iname "*.heif" \
        -o -iname "*.cr2" -o -iname "*.cr3" -o -iname "*.nef" -o -iname "*.arw" -o -iname "*.dng" -o -iname "*.raf" -o -iname "*.orf" -o -iname "*.rw2" \
        \) -print0)

      echo ""
      echo "=== Summary ==="
      echo "Copied: $copied"
      echo "Failed: $failed"
      [[ $delete_source -eq 1 ]] && echo "(source files removed)"
    }

  '';
}