"""Camera and Recording API routes."""

import os
from flask import Blueprint, jsonify, request


def create_cameras_blueprint(server_config):
    """
    Create the cameras API blueprint.

    Args:
        server_config: Dict with keys:
            - image_dir: Camera images directory
            - c2_root: C2 root directory path
            - get_camera_receiver: Callable returning camera receiver
            - require_api_auth: Auth decorator
    """
    bp = Blueprint("api_cameras", __name__, url_prefix="/api")

    image_dir = server_config["image_dir"]
    c2_root = server_config["c2_root"]
    get_receiver = server_config["get_camera_receiver"]
    require_api_auth = server_config["require_api_auth"]

    # ========== Camera List ==========

    @bp.route("/cameras")
    @require_api_auth
    def list_cameras():
        full_image_dir = os.path.join(c2_root, image_dir)
        try:
            cameras = [
                f.replace(".jpg", "")
                for f in os.listdir(full_image_dir)
                if f.endswith(".jpg")
            ]
        except FileNotFoundError:
            cameras = []

        receiver = get_receiver()
        result = {"cameras": [], "count": len(cameras)}

        for cam_id in cameras:
            cam_info = {"id": cam_id, "recording": False}
            if receiver:
                status = receiver.get_recording_status(cam_id)
                cam_info["recording"] = status.get("recording", False)
                cam_info["filename"] = status.get("filename")
            result["cameras"].append(cam_info)

        result["count"] = len(result["cameras"])
        return jsonify(result)

    # ========== Recording Control ==========

    @bp.route("/recording/start/<camera_id>", methods=["POST"])
    @require_api_auth
    def start_recording(camera_id):
        receiver = get_receiver()
        if not receiver:
            return jsonify({"error": "Camera receiver not available"}), 503

        result = receiver.start_recording(camera_id)
        if "error" in result:
            return jsonify(result), 400
        return jsonify(result)

    @bp.route("/recording/stop/<camera_id>", methods=["POST"])
    @require_api_auth
    def stop_recording(camera_id):
        receiver = get_receiver()
        if not receiver:
            return jsonify({"error": "Camera receiver not available"}), 503

        result = receiver.stop_recording(camera_id)
        if "error" in result:
            return jsonify(result), 400
        return jsonify(result)

    @bp.route("/recording/status")
    @require_api_auth
    def recording_status():
        receiver = get_receiver()
        if not receiver:
            return jsonify({"error": "Camera receiver not available"}), 503

        camera_id = request.args.get("camera_id")
        return jsonify(receiver.get_recording_status(camera_id))

    @bp.route("/recordings")
    @require_api_auth
    def list_recordings():
        receiver = get_receiver()
        if not receiver:
            return jsonify({"recordings": []})

        return jsonify({"recordings": receiver.list_recordings()})

    return bp