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native-anthropic.sh

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+#!/usr/bin/env bash
+# native-anthropic.sh — Claude Code → Native Anthropic API (Direct)
+# Không qua proxy, dùng API key HOẶC subscription login
+#
+# Usage (API key mode):
+#   ANTHROPIC_API_KEY=sk-ant-xxx bash native-anthropic.sh
+#   curl -fsSL ... | bash -s -- sk-ant-xxx
+#
+# Usage (Subscription/Login mode):
+#   bash native-anthropic.sh --login
+#   curl -fsSL ... | bash -s -- --login
+
+set -euo pipefail
+trap 'echo ""; echo -e "\033[0;31mInterrupted\033[0m"; exit 130' INT TERM
+
+# ── Parse args ─────────────────────────────────────────────────────────────
+MODE="api"  # api | login
+API_KEY=""
+
+if [[ "${1:-}" == "--login" || "${1:-}" == "-l" ]]; then
+    MODE="login"
+    log "Mode: Subscription/Login (không dùng API key)"
+elif [[ -n "${1:-}" ]]; then
+    MODE="api"
+    API_KEY="$1"
+elif [[ -n "${ANTHROPIC_API_KEY:-}" ]]; then
+    MODE="api"
+    API_KEY="$ANTHROPIC_API_KEY"
+fi
+
+# ── Models ─────────────────────────────────────────────────────────────────
+OPUS_MODEL="claude-opus-4.6"
+SONNET_MODEL="claude-sonnet-4.6"
+HAIKU_MODEL="claude-haiku-4.5"
+
+# ── Colors ─────────────────────────────────────────────────────────────────
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+BLUE='\033[0;34m'
+NC='\033[0m'
+
+log() { printf "${GREEN}[%s]${NC} %s\n" "$(date '+%H:%M:%S')" "$*"; }
+warn() { printf "${YELLOW}[WARN]${NC} %s\n" "$*"; }
+info() { printf "${BLUE}[INFO]${NC} %s\n" "$*"; }
+
+# ── Load nvm ───────────────────────────────────────────────────────────────
+load_nvm() {
+    [[ -f "${NVM_DIR:-$HOME/.nvm}/nvm.sh" ]] && source "${NVM_DIR:-$HOME/.nvm}/nvm.sh"
+}
+
+# ── Install Claude Code ────────────────────────────────────────────────────
+install_claude() {
+    if command -v claude >/dev/null 2>&1; then
+        log "Claude Code: $(timeout 2 claude -v 2>/dev/null || echo installed)"
+        return 0
+    fi
+
+    log "Installing @anthropic-ai/claude-code..."
+    load_nvm
+    timeout 120 npm install -g @anthropic-ai/claude-code@latest || {
+        echo "npm install failed"
+        exit 1
+    }
+    hash -r 2>/dev/null || true
+}
+
+# ── Write settings.json (API mode) ─────────────────────────────────────────
+write_settings_api() {
+    mkdir -p "$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": "${API_KEY}",
+    "ANTHROPIC_DEFAULT_OPUS_MODEL": "${OPUS_MODEL}",
+    "ANTHROPIC_DEFAULT_SONNET_MODEL": "${SONNET_MODEL}",
+    "ANTHROPIC_DEFAULT_HAIKU_MODEL": "${HAIKU_MODEL}",
+    "API_TIMEOUT_MS": "3000000"
+  },
+  "permissions": { "allow": ["*"] }
+}
+EOF
+}
+
+# ── Write settings.json (Login mode) ───────────────────────────────────────
+write_settings_login() {
+    mkdir -p "$HOME/.claude"
+    [[ -f "$HOME/.claude/settings.json" ]] && cp "$HOME/.claude/settings.json" "$HOME/.claude/settings.json.bak"
+
+    cat > "$HOME/.claude/settings.json" << EOF
+{
+  "env": {
+    "ANTHROPIC_DEFAULT_OPUS_MODEL": "${OPUS_MODEL}",
+    "ANTHROPIC_DEFAULT_SONNET_MODEL": "${SONNET_MODEL}",
+    "ANTHROPIC_DEFAULT_HAIKU_MODEL": "${HAIKU_MODEL}",
+    "API_TIMEOUT_MS": "3000000"
+  },
+  "permissions": { "allow": ["*"] }
+}
+EOF
+}
+
+# ── Write shell rc block (API mode) ────────────────────────────────────────
+write_shell_block_api() {
+    local f="$1"
+    [[ -f "$f" ]] || touch "$f"
+
+    # Xóa block cũ nếu có
+    sed -i '/# >>> native-anthropic >>>/,/# <<< native-anthropic <<</d' "$f" 2>/dev/null || true
+
+    cat >> "$f" << EOF
+
+# >>> native-anthropic >>>
+# Native Anthropic API (direct, no proxy)
+export ANTHROPIC_API_KEY="${API_KEY}"
+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"
+# Xóa các proxy settings nếu có
+unset ANTHROPIC_BASE_URL 2>/dev/null || true
+unset ANTHROPIC_AUTH_TOKEN 2>/dev/null || true
+# <<< native-anthropic <<<
+EOF
+}
+
+# ── Write shell rc block (Login mode) ───────────────────────────────���──────
+write_shell_block_login() {
+    local f="$1"
+    [[ -f "$f" ]] || touch "$f"
+
+    # Xóa block cũ nếu có
+    sed -i '/# >>> native-anthropic >>>/,/# <<< native-anthropic <<</d' "$f" 2>/dev/null || true
+
+    cat >> "$f" << EOF
+
+# >>> native-anthropic >>>
+# Native Anthropic API (subscription/login mode)
+unset ANTHROPIC_API_KEY 2>/dev/null || true
+unset ANTHROPIC_BASE_URL 2>/dev/null || true
+unset ANTHROPIC_AUTH_TOKEN 2>/dev/null || true
+export ANTHROPIC_DEFAULT_OPUS_MODEL="${OPUS_MODEL}"
+export ANTHROPIC_DEFAULT_SONNET_MODEL="${SONNET_MODEL}"
+export ANTHROPIC_DEFAULT_HAIKU_MODEL="${HAIKU_MODEL}"
+export API_TIMEOUT_MS="3000000"
+# <<< native-anthropic <<<
+EOF
+}
+
+# ── Main ───────────────────────────────────────────────────────────────────
+main() {
+    echo ""
+    echo -e "${BLUE}╔══════════════════════════════════════════════════════╗${NC}"
+    echo -e "${BLUE}║   Native Anthropic API — Direct Connection        ║${NC}"
+    echo -e "${BLUE}╚══════════════════════════════════════════════════════╝${NC}"
+    echo ""
+
+    load_nvm
+    install_claude
+
+    if [[ "$MODE" == "api" ]]; then
+        if [[ -z "$API_KEY" ]]; then
+            echo ""
+            echo -e "${YELLOW}[ERR] Thiếu API key${NC}"
+            echo ""
+            echo "Usage:"
+            echo "  API Key mode:    ANTHROPIC_API_KEY=sk-ant-xxx bash native-anthropic.sh"
+            echo "  Login mode:      bash native-anthropic.sh --login"
+            echo ""
+            exit 1
+        fi
+
+        MASKED_KEY=$(echo "$API_KEY" | cut -c 1-12)
+        log "Mode     : API Key"
+        log "API Key  : ${MASKED_KEY}..."
+        log "Endpoint : api.anthropic.com (native)"
+        log "Models   : Opus ${OPUS_MODEL}, Sonnet ${SONNET_MODEL}, Haiku ${HAIKU_MODEL}"
+        echo ""
+
+        log "Writing ~/.claude/settings.json..."
+        write_settings_api
+
+        log "Updating shell rc files..."
+        write_shell_block_api "$HOME/.bashrc"
+        [[ -f "$HOME/.zshrc" ]] && write_shell_block_api "$HOME/.zshrc"
+        [[ -f "$HOME/.profile" ]] && write_shell_block_api "$HOME/.profile"
+
+        echo ""
+        echo -e "${GREEN}✓ Cấu hình API key hoàn tất!${NC}"
+        echo ""
+        echo -e "${YELLOW}Next steps:${NC}"
+        echo -e "  1. Reload shell: ${BLUE}source ~/.bashrc${NC}"
+        echo -e "  2. Chạy Claude:  ${BLUE}claude${NC}"
+        echo ""
+
+    else
+        # Login mode
+        info "Mode     : Subscription/Login (dùng claude -r)"
+        info "Endpoint : api.anthropic.com (native)"
+        info "Models   : Opus ${OPUS_MODEL}, Sonnet ${SONNET_MODEL}, Haiku ${HAIKU_MODEL}"
+        echo ""
+
+        log "Writing ~/.claude/settings.json (no API key)..."
+        write_settings_login
+
+        log "Updating shell rc files (login mode)..."
+        write_shell_block_login "$HOME/.bashrc"
+        [[ -f "$HOME/.zshrc" ]] && write_shell_block_login "$HOME/.zshrc"
+        [[ -f "$HOME/.profile" ]] && write_shell_block_login "$HOME/.profile"
+
+        # Đảm bảo ~/.claude.json tồn tại cho login flow
+        [[ -f "$HOME/.claude.json" ]] || echo '{}' > "$HOME/.claude.json"
+
+        echo ""
+        echo -e "${GREEN}✓ Cấu hình login mode hoàn tất!${NC}"
+        echo ""
+        echo -e "${YELLOW}Next steps:${NC}"
+        echo -e "  1. Reload shell: ${BLUE}source ~/.bashrc${NC}"
+        echo -e "  2. Login:        ${BLUE}claude -r${NC}"
+        echo -e "  3. Chạy Claude:  ${BLUE}claude${NC}"
+        echo ""
+        echo -e "${YELLOW}Lưu ý:${NC} Bạn cần đăng nhập bằng lệnh ${BLUE}claude -r${NC}"
+        echo "        hoặc dùng subscription Anthropic đã có."
+        echo ""
+    fi
+}
+
+main "$@"