from flask import Flask, request, jsonify
from flask_cors import CORS
import json, os

app = Flask(__name__, static_folder="static", static_url_path="/static")
CORS(app)

# -----------------------------
# LOAD JSON SAFELY
# -----------------------------
BASE_DIR = os.path.dirname(os.path.abspath(__file__))
JSON_PATH = os.path.join(BASE_DIR, "doctors.json")

with open(JSON_PATH, "r", encoding="utf-8") as f:
    DOCTORS = json.load(f)

# -----------------------------
# API : GET DOCTORS
# -----------------------------
@app.route("/doctors", methods=["GET"])
def get_doctors():
    district = request.args.get("district")
    disease = request.args.get("disease", "").lower()

    if not district:
        return jsonify({"error": "district required"}), 400

    # District filter
    result = [
        d for d in DOCTORS
        if d.get("district", "").lower() == district.lower()
    ]

    # Disease filter
    if disease:
        result = [
            d for d in result
            if any(disease in s.lower() for s in d.get("specialist", []))
        ]

    # Add image + map url
    for d in result:
        d["map_url"] = f"https://www.google.com/maps?q={d['lat']},{d['lon']}"
        d["image_url"] = f"/static/images/{d['image']}"

    return jsonify({
        "count": len(result),
        "doctors": result
    })

# -----------------------------
# HEALTH CHECK
# -----------------------------
@app.route("/")
def health():
    return jsonify({"status": "API running"})

if __name__ == "__main__":
    app.run(host="0.0.0.0", port=5000, debug=True)