#!/usr/bin/env bash
# Faceless Video Editor - installer for macOS / Linux
# Run:  curl -fsSL https://skill.thefalconmotion.com/install.sh | bash
# Optional: FM_KEY=fsk_... to skip the prompt.
set -euo pipefail
BASE="https://skill.thefalconmotion.com"
g() { printf '\033[32m%s\033[0m\n' "$*"; }; r() { printf '\033[31m%s\033[0m\n' "$*"; }; y() { printf '\033[33m%s\033[0m\n' "$*"; }

echo; echo "  Faceless Video Editor  -  The Falcon Motion"; echo
KEY="${FM_KEY:-}"
if [ -z "$KEY" ]; then printf '  Paste your access key (fsk_...): '; read -r KEY </dev/tty; fi
KEY="$(printf '%s' "$KEY" | tr -d '[:space:]')"
case "$KEY" in fsk_*) ;; *) r "  That does not look like an access key. It starts with fsk_"; exit 1;; esac

echo "  [1/4] Checking your key..."
ACC="$(curl -fsS -X POST "$BASE/api/account" -H 'content-type: application/json' -d "{\"key\":\"$KEY\"}" 2>/dev/null || true)"
if [ -z "$ACC" ]; then r "  Key not found. Copy the whole key and try again."; exit 1; fi
case "$ACC" in *'"status":"active"'*) g "        OK";; *) r "  This key is not active. Check $BASE/account"; exit 1;; esac

echo "  [2/4] Checking the tools on this computer..."
miss=0
for t in claude node ffmpeg python3; do
  if ! command -v "$t" >/dev/null 2>&1; then y "        missing: $t"; miss=1; fi
done
if [ "$miss" = 1 ]; then
  y "        Install: Claude Code (claude.com/claude-code), Node 20+ (nodejs.org), ffmpeg (brew install ffmpeg), Python 3.11+"
  exit 1
fi
[ "$(node -v | sed 's/^v\([0-9]*\).*/\1/')" -ge 20 ] || { y "        Node.js is too old. Install Node 20 or newer."; exit 1; }
g "        OK"

echo "  [3/4] Connecting Claude Code to the skill..."
claude mcp remove faceless --scope user >/dev/null 2>&1 || true
claude mcp add --transport http --scope user faceless "$BASE/mcp" --header "Authorization: Bearer $KEY" >/dev/null \
  || { r "        Could not register with Claude Code. Run 'claude' once to sign in, then try again."; exit 1; }
g "        OK"

echo "  [4/4] Installing the skill..."
mkdir -p "$HOME/.claude/skills/faceless-video-editor"
curl -fsSL "$BASE/SKILL.md" -o "$HOME/.claude/skills/faceless-video-editor/SKILL.md"
g "        OK"

echo; echo "  All set. Make an empty folder, run 'claude' in it and ask, for example:"
echo '    "Make a 60 second vertical Short about the sinking of the Titanic."'; echo; echo "  Guide: $BASE/docs"