from functools import cache
import json
from flask import (
    Flask,
    make_response,
    redirect,
    request,
    jsonify,
    render_template,
    send_from_directory,
    send_file,
)
import os
import json
import requests
from datetime import datetime
import dotenv
import hsd

dotenv.load_dotenv()

app = Flask(__name__)


def find(name, path):
    for root, dirs, files in os.walk(path):
        if name in files:
            return os.path.join(root, name)

# Assets routes
@app.route("/assets/<path:path>")
def send_assets(path):
    if path.endswith(".json"):
        return send_from_directory(
            "templates/assets", path, mimetype="application/json"
        )

    if os.path.isfile("templates/assets/" + path):
        return send_from_directory("templates/assets", path)

    # Try looking in one of the directories
    filename: str = path.split("/")[-1]
    if (
        filename.endswith(".png")
        or filename.endswith(".jpg")
        or filename.endswith(".jpeg")
        or filename.endswith(".svg")
    ):
        if os.path.isfile("templates/assets/img/" + filename):
            return send_from_directory("templates/assets/img", filename)
        if os.path.isfile("templates/assets/img/favicon/" + filename):
            return send_from_directory("templates/assets/img/favicon", filename)

    return render_template("404.html"), 404


# region Special routes
@app.route("/favicon.png")
def faviconPNG():
    return send_from_directory("templates/assets/img", "favicon.png")


@app.route("/.well-known/<path:path>")
def wellknown(path):
    # Try to proxy to https://nathan.woodburn.au/.well-known/
    req = requests.get(f"https://nathan.woodburn.au/.well-known/{path}")
    return make_response(
        req.content, 200, {"Content-Type": req.headers["Content-Type"]}
    )


# endregion


# region Main routes
@app.route("/")
def index():
    txs = hsd.get_mempool()
    
    mempool_info = hsd.get_mempool_info()
    if mempool_info['result']:
        mempool_info = mempool_info['result']

    mempool = f"Total Transactions: {len(txs)}<br><br>"
    for txid in txs:
        tx = hsd.get_tx(txid)
        mempool += f"<a href='/tx?tx={txid}' target='_blank'>{txid}</a>: {len(tx['inputs'])} inputs, {len(tx['outputs'])} outputs, fee: {tx['fee']/1000000}, Total Value: {sum([output['value']/1000000 for output in tx['outputs']]):,.2f} HNS<br><br>"

    return render_template("index.html",mempool=mempool)

@app.route("/name")
def name():
    if request.args.get("name"):
        name = request.args.get("name")
        data = hsd.get_name(name)
        dns = hsd.get_name_resource(name)
        data = json.dumps(data, indent=4) + "<br><br>" + json.dumps(dns, indent=4)
        return render_template("data.html", data=data)
    else:
        return render_template("index.html")
    
@app.route("/tx")
def tx():
    if request.args.get("tx"):
        tx = hsd.get_tx(request.args.get("tx"))
        return render_template("data.html", data=json.dumps(tx, indent=4))
    else:
        return render_template("index.html")
    
@app.route("/block")
def block():
    if request.args.get("block"):
        block = hsd.get_block(request.args.get("block"))
        return render_template("data.html", data=json.dumps(block, indent=4))
    else:
        return render_template("index.html")


@app.route("/<path:path>")
def catch_all(path: str):
    if os.path.isfile("templates/" + path):
        return render_template(path)

    # Try with .html
    if os.path.isfile("templates/" + path + ".html"):
        return render_template(path + ".html")

    if os.path.isfile("templates/" + path.strip("/") + ".html"):
        return render_template(path.strip("/") + ".html")

    # Try to find a file matching
    if path.count("/") < 1:
        # Try to find a file matching
        filename = find(path, "templates")
        if filename:
            return send_file(filename)

    return render_template("404.html"), 404


# endregion


# region API routes
@app.route("/api/v1/version")
def api_version():
    return jsonify({"version": "1.0.0"})

@app.route("/api/v1/tx/<txid>")
def api_tx(txid):
    tx = hsd.get_tx(txid)
    if tx:
        return jsonify(tx)
    else:
        return jsonify({"error": "tx not found"}), 404
    
@app.route("/api/v1/block/<blockhash>")
def api_block(blockhash):
    block = hsd.get_block(blockhash)
    if block:
        return jsonify(block)
    else:
        return jsonify({"error": "block not found"}), 404

@app.route("/api/v1/name/<name>")
def api_name(name):
    name = hsd.get_name(name)
    if name:
        return jsonify(name)
    else:
        return jsonify({"error": "name not found"}), 404
    
@app.route("/api/v1/name/<name>/resource")
@app.route("/api/v1/name/<name>/dns")
@app.route("/api/v1/resource/<name>")
@app.route("/api/v1/dns/<name>")
def api_name_resource(name):
    name = hsd.get_name_resource(name)
    if name:
        return jsonify(name)
    else:
        return jsonify({"error": "name not found"}), 404

@app.route("/api/v1/address/<address>")
def api_address(address):
    address = hsd.get_address(address)
    if address:
        return jsonify(address)
    else:
        return jsonify({"error": "address not found"}), 404

@app.route("/api/v1/mempool")
def api_mempool():
    mempool = hsd.get_mempool()
    if mempool:
        return jsonify(mempool)
    else:
        return jsonify({"error": "mempool not found"}), 404
    
@app.route("/api/v1/mempool/info")
def api_mempool_info():
    mempool_info = hsd.get_mempool_info()
    if mempool_info:
        return jsonify(mempool_info)
    else:
        return jsonify({"error": "mempool info not found"}), 404

# endregion

# region Error Catching
# 404 catch all
@app.errorhandler(404)
def not_found(e):
    return render_template("404.html"), 404


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