#!/usr/bin/env bash
# ICMR + HITEK Search API - One-Click Setup (Linux / VPS)
# Total download: ~305 GB. Make sure you have enough space!
set -euo pipefail

DATA_REPO="Kzr0xx/Icmr-and-hitek"
FULL_REPO="Kzr0xx/icrm-hitek-full-db-mixed"
FILES=("part1.parquet" "part2a.parquet" "part2b_new.parquet")
IDX=("idx_phone.0.parquet" "idx_phone.1.parquet" "idx_phone.2.parquet" "idx_phone.3.parquet" "idx_phone.4.parquet" "idx_phone.5.parquet" "idx_phone.6.parquet" "idx_aadhar.0.parquet" "idx_aadhar.1.parquet" "idx_aadhar.2.parquet" "idx_aadhar.3.parquet" "idx_aadhar.4.parquet" "idx_aadhar.5.parquet" "idx_aadhar.6.parquet")
CODE=("main.py" "build_index.py" "run_api.bat" "requirements.txt")

ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
cd "$ROOT"
mkdir -p data

dl() { # dl <name> <repo> <dest>
    local name="$1" repo="$2" dest="$3"
    if [ -f "$dest" ]; then
        echo "  $name already exists, skipping"
        return
    fi
    echo "  Downloading $name ..."
    curl -L -C - -o "$dest" "https://huggingface.co/datasets/$repo/resolve/main/$name"
}

echo "============================================================"
echo " ICMR + HITEK Search API - One-Click Setup (Linux/VPS)"
echo "============================================================"
echo ""

echo "[1/5] Downloading data files (104 GB)..."
for f in "${FILES[@]}"; do dl "$f" "$DATA_REPO" "data/$f"; done

echo "[2/5] Downloading index parts (200 GB)..."
for f in "${IDX[@]}"; do dl "$f" "$FULL_REPO" "data/$f"; done

echo "[3/5] Downloading code files..."
for f in "${CODE[@]}"; do
    curl -L -C - -o "$f" "https://huggingface.co/datasets/$FULL_REPO/resolve/main/$f"
done

echo "[4/5] Setting up Python environment..."
if ! command -v python3 >/dev/null 2>&1; then
    echo "  Installing python3..."
    sudo apt-get update -y && sudo apt-get install -y python3 python3-venv python3-pip
fi
if [ ! -d ".venv" ]; then python3 -m venv .venv; fi
".venv/bin/python" -m pip install -q --upgrade pip
".venv/bin/python" -m pip install -q -r requirements.txt

echo "[5/5] Starting API server (background, nohup)..."
export ICMR_DATA_DIR="$ROOT/data"
nohup ".venv/bin/python" -m uvicorn main:app --host 0.0.0.0 --port 8001 --workers 1 \
    > api.log 2>&1 &

echo ""
echo "============================================================"
echo " API starting on http://0.0.0.0:8001"
echo " Docs: http://<server-ip>:8001/docs"
echo " Log: api.log"
echo "============================================================"
sleep 5
curl -s http://127.0.0.1:8001/health && echo ""
echo "Done!"