custom.sh

#!/usr/bin/env bash
# custom.sh — Claude Code → Custom Provider
# Usage:
#   curl -fsSL "https://get.organat.vn/custom.sh" | bash -s -- --name "MyProvider" --url "https://api.example.com/v1" --key "sk-..."
#   curl -fsSL "https://get.organat.vn/custom.sh" | bash -s -- --name "MyProvider" --url "https://api.example.com/v1" --key "sk-..." --opus "model-large" --sonnet "model-medium" --haiku "model-small"
#   bash custom.sh --name "MyProvider" --url "https://api.example.com/v1" --key "sk-..."

set -euo pipefail
trap 'echo ""; echo -e "\033[0;31mInterrupted\033[0m"; exit 130' INT TERM

# ── Parse args ──────────────────────────────────────────────────────────────
PROVIDER_NAME=""
BASE_URL=""
API_KEY=""
OPUS_MODEL="claude-opus-4.6"
SONNET_MODEL="claude-sonnet-4.6"
HAIKU_MODEL="claude-haiku-4.5"

while [[ $# -gt 0 ]]; do
    case "$1" in
        --name)   PROVIDER_NAME="$2"; shift 2 ;;
        --url)    BASE_URL="$2";      shift 2 ;;
        --key)    API_KEY="$2";       shift 2 ;;
        --opus)   OPUS_MODEL="$2";    shift 2 ;;
        --sonnet) SONNET_MODEL="$2";  shift 2 ;;
        --haiku)  HAIKU_MODEL="$2";   shift 2 ;;
        *) shift ;;
    esac
done

# ── Colors & helpers ─────────────────────────────────────────────────────────
GREEN='\033[0;32m'; YELLOW='\033[1;33m'; BLUE='\033[0;34m'; RED='\033[0;31m'; NC='\033[0m'
log()  { printf "${GREEN}[%s]${NC} %s\n" "$(date '+%H:%M:%S')" "$*"; }
warn() { printf "${YELLOW}[WARN]${NC} %s\n" "$*"; }
die()  { printf "${RED}[ERR]${NC} %s\n" "$*" >&2; exit 1; }

# ── Validate required args ───────────────────────────────────────────────────
[[ -z "$PROVIDER_NAME" ]] && die "Missing --name <provider-name>"
[[ -z "$BASE_URL" ]]      && die "Missing --url <base-url>"
[[ -z "$API_KEY" ]]        && die "Missing --key <api-key>"

# ── Node / NVM ───────────────────────────────────────────────────────────────
load_nvm() {
    export NVM_DIR="${NVM_DIR:-$HOME/.nvm}"
    [[ -f "$NVM_DIR/nvm.sh" ]] && source "$NVM_DIR/nvm.sh" 2>/dev/null || true
}

ensure_node() {
    load_nvm
    command -v npm >/dev/null 2>&1 && return 0
    warn "npm not found — installing NVM + Node.js LTS..."
    curl -fsSL https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.7/install.sh | bash
    export NVM_DIR="$HOME/.nvm"
    source "$NVM_DIR/nvm.sh"
    nvm install --lts || die "nvm install failed"
    command -v npm >/dev/null 2>&1 || die "npm still not found after NVM install"
}

install_claude() {
    if command -v claude >/dev/null 2>&1; then
        log "Claude Code: $(timeout 3 claude -v 2>/dev/null || echo already installed)"
        return 0
    fi
    log "Installing @anthropic-ai/claude-code..."
    ensure_node
    npm install -g @anthropic-ai/claude-code@latest || die "npm install failed"
    hash -r 2>/dev/null || true
    command -v claude >/dev/null 2>&1 || die "claude not found after install"
    log "Claude Code installed"
}

# ── Write settings.json ──────────────────────────────────────────────────────
write_settings() {
    mkdir -p "$HOME/.claude"
    [[ -f "$HOME/.claude/settings.json" ]] && \
        cp "$HOME/.claude/settings.json" "$HOME/.claude/settings.json.bak"
    cat > "$HOME/.claude/settings.json" << EOF
{
  "env": {
    "ANTHROPIC_API_KEY": "${API_KEY}",
    "ANTHROPIC_BASE_URL": "${BASE_URL}",
    "ANTHROPIC_DEFAULT_OPUS_MODEL": "${OPUS_MODEL}",
    "ANTHROPIC_DEFAULT_SONNET_MODEL": "${SONNET_MODEL}",
    "ANTHROPIC_DEFAULT_HAIKU_MODEL": "${HAIKU_MODEL}",
    "API_TIMEOUT_MS": "3000000"
  },
  "permissions": { "allow": ["*"] },
  "skipDangerousModePermissionPrompt": true
}
EOF
}

# ── Write shell RC block (idempotent sentinel) ───────────────────────────────
write_shell_block() {
    local f="$1"
    [[ -f "$f" ]] || touch "$f"
    sed -i '/# >>> custom >>>/,/# <<< custom <<</d' "$f" 2>/dev/null || true
    cat >> "$f" << EOF

# >>> custom >>>
export ANTHROPIC_API_KEY='${API_KEY}'
export ANTHROPIC_BASE_URL='${BASE_URL}'
export ANTHROPIC_DEFAULT_OPUS_MODEL='${OPUS_MODEL}'
export ANTHROPIC_DEFAULT_SONNET_MODEL='${SONNET_MODEL}'
export ANTHROPIC_DEFAULT_HAIKU_MODEL='${HAIKU_MODEL}'
export API_TIMEOUT_MS='3000000'
unset ANTHROPIC_AUTH_TOKEN 2>/dev/null || true
# <<< custom <<<
EOF
}

# ── Cleanup previous providers ────────────────────────────────────────────────
cleanup_providers() {
    for f in "$HOME/.bashrc" "$HOME/.zshrc" "$HOME/.profile" "$HOME/.bash_profile" "$HOME/.zprofile"; do
        [ -f "$f" ] || continue
        sed -i '/# >>> openclaude >>>/,/# <<< openclaude <<</d' "$f" 2>/dev/null || true
        sed -i '/# >>> claudible >>>/,/# <<< claudible <<</d' "$f" 2>/dev/null || true
        sed -i '/# >>> fireworks >>>/,/# <<< fireworks <<</d' "$f" 2>/dev/null || true
        sed -i '/# >>> ollama >>>/,/# <<< ollama <<</d' "$f" 2>/dev/null || true
        sed -i '/# >>> anthropic >>>/,/# <<< anthropic <<</d' "$f" 2>/dev/null || true
        sed -i '/# >>> groq >>>/,/# <<< groq <<</d' "$f" 2>/dev/null || true
        sed -i '/# >>> cerebras >>>/,/# <<< cerebras <<</d' "$f" 2>/dev/null || true
        sed -i '/# >>> google >>>/,/# <<< google <<</d' "$f" 2>/dev/null || true
        sed -i '/# >>> nvidia >>>/,/# <<< nvidia <<</d' "$f" 2>/dev/null || true
        sed -i '/# >>> huggingface >>>/,/# <<< huggingface <<</d' "$f" 2>/dev/null || true
        sed -i '/# >>> fpt >>>/,/# <<< fpt <<</d' "$f" 2>/dev/null || true
        sed -i '/# >>> custom >>>/,/# <<< custom <<</d' "$f" 2>/dev/null || true
    done
}

# ── Main ─────────────────────────────────────────────────────────────────────
main() {
    echo ""
    echo -e "${BLUE}╔══════════════════════════════════════════════════╗${NC}"
    echo -e "${BLUE}║  ${PROVIDER_NAME} × Claude Code  —  One-Shot${NC}"
    echo -e "${BLUE}╚══════════════════════════════════════════════════╝${NC}"
    echo ""
    log "Provider: ${PROVIDER_NAME}"
    log "API Key : ${API_KEY:0:16}..."
    log "Base URL: ${BASE_URL}"
    log "Models  : Opus=${OPUS_MODEL} Sonnet=${SONNET_MODEL} Haiku=${HAIKU_MODEL}"
    echo ""

    cleanup_providers
    load_nvm
    install_claude

    log "Writing ~/.claude/settings.json..."
    write_settings

    log "Updating shell rc files..."
    write_shell_block "$HOME/.bashrc"
    [[ -f "$HOME/.zshrc" ]]   && write_shell_block "$HOME/.zshrc"
    [[ -f "$HOME/.profile" ]] && write_shell_block "$HOME/.profile"

    [[ -f "$HOME/.claude.json" ]] || echo '{}' > "$HOME/.claude.json"

    echo ""
    echo -e "${GREEN}✓ Setup complete! Launching claude...${NC}"
    echo ""
    source "$HOME/.bashrc" 2>/dev/null || true
    sleep 2
    exec claude -r
}

main