#!/usr/bin/env bash
set -euo pipefail

# Optionaler Dev-Installationsmodus
dev_mode=false
if [[ "${1:-}" == "-dev" ]]; then
  dev_mode=true
fi

shopt -s nullglob

# Wähle die passende Requirements-Datei
pattern='requirements.txt'
msg_hint='src/*/requirements.txt'
if $dev_mode; then
  pattern='requirements.dev.txt'
  msg_hint='src/*/requirements.dev.txt'
fi

req_files=(src/*/"$pattern")
if ((${#req_files[@]} == 0)); then
  echo "Keine Requirements-Dateien gefunden unter '$msg_hint'" >&2
  exit 1
fi

tmp_combined="$(mktemp)"
trap 'rm -f "$tmp_combined"' EXIT

# Kombiniere, filtere Kommentare/Whitespace, entferne cpl-*, dedupliziere.
awk '
  function trim(s){ sub(/^[[:space:]]+/,"",s); sub(/[[:space:]]+$/,"",s); return s }

  {
    line=$0
    if (line ~ /^[[:space:]]*#/) next
    sub(/#[^!].*$/,"",line)
    line=trim(line)
    if (line == "") next

    e = line
    sub(/^-e[[:space:]]+/,"",e)
    token = e
    sub(/\[.*/,"",token)
    n = split(token, a, /[<>=!~;@[:space:]]/)
    name = tolower(a[1])

    if (name ~ /^cpl-/) next
    print line
  }
' "${req_files[@]}" | sort -u > "$tmp_combined"

if ! [ -s "$tmp_combined" ]; then
  echo "Nichts zu installieren nach dem Entfernen von cpl-* Paketen." >&2
  exit 0
fi

echo "Installiere Abhängigkeiten (ohne cpl-*) aus:"
printf '  - %s\n' "${req_files[@]}"
echo
echo "Finale Menge zur Installation:"
cat "$tmp_combined"
echo

python -m pip install -r "$tmp_combined"