import gradio as gr
import json
from datetime import datetime
from patient_registration import register_patient
from test_selection import select_tests, get_tests_by_category
from billing import fetch_billing

# Load data
def load_data():
    try:
        with open("data.json", "r") as file:
            data = json.load(file)
            return data.get("patients", {}), data.get("last_sequence", {"year": None, "month": None, "number": 0})
    except FileNotFoundError:
        return {}, {"year": None, "month": 0, "number": 0}

# Save data
def save_data(patients, last_sequence):
    with open("data.json", "w") as file:
        json.dump({"patients": patients, "last_sequence": last_sequence}, file)

# Generate patient ID
def generate_patient_id(phone, last_sequence):
    today = datetime.now()
    current_year = today.year
    current_month = today.month
    
    if last_sequence["year"] != current_year or last_sequence["month"] != current_month:
        last_sequence["year"] = current_year
        last_sequence["month"] = current_month
        last_sequence["number"] = 1
    else:
        last_sequence["number"] += 1
    
    patient_id = f"{current_year}{current_month:02d}{last_sequence['number']:05d}"
    return patient_id

# Patient Registration Tab
def registration_interface(name, father_name, age, gender, phone, address):
    patients, last_sequence = load_data()
    patient_id = generate_patient_id(phone, last_sequence)
    
    patients[patient_id] = {
        "name": name,
        "father_name": father_name,
        "age": age,
        "gender": gender,  # Updated field for gender
        "phone": phone,
        "address": address,
        "tests": [],
        "total_cost": 0
    }
    
    save_data(patients, last_sequence)
    return f"Patient Registered. Patient ID: {patient_id}"

# Tests Selection Tab
def test_interface(categories):
    available_tests = get_tests_by_category(categories)
    return gr.update(choices=available_tests)

def confirm_tests_interface(patient_id, selected_tests):
    patients, last_sequence = load_data()
    response = select_tests(patient_id, selected_tests, patients)
    save_data(patients, last_sequence)
    return response

# Billing Tab
def billing_interface(patient_id):
    patients, _ = load_data()
    if patient_id in patients:
        billing_info = fetch_billing(patient_id, patients)
        return billing_info
    else:
        return "Invalid Patient ID. Please check the ID."

# Custom CSS styling
custom_css = """
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap');

/* General Page Style */
body {
    font-family: 'Poppins', Arial, sans-serif;
    background: linear-gradient(135deg, #f3faff, #e0f4f9);
    color: #333333;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

/* Main Container */
.gradio-container {
    max-width: 900px;
    width: 100%;
    margin: 30px auto;
    padding: 40px;
    background-color: #ffffff;
    border-radius: 12px;
    border: 1px solid #d0e7f1;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}
.gradio-container:hover {
    transform: scale(1.01);
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.12);
}

/* Header Styling */
#header {
    color: #005b8c;
    text-align: center;
    font-weight: 700;
    font-size: 2.4em;
    margin-bottom: 20px;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.1);
    letter-spacing: 0.5px;
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
    color: #005b8c;
    font-weight: 600;
}

/* Form Field Styles */
input, select, textarea {
    width: 100%;
    border: 1px solid #aac9d4;
    border-radius: 8px;
    padding: 12px 14px;
    font-size: 15px;
    color: #333333;
    background: #f7fcff;
    margin-bottom: 20px;
    transition: all 0.3s ease;
    box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.05);
}
input:focus, select:focus, textarea:focus {
    border-color: #41a0c4;
    background: #eaf6f9;
    box-shadow: 0 4px 10px rgba(65, 160, 196, 0.15);
    outline: none;
}

/* Button Styles */
button {
    width: auto;
    padding: 12px 24px;
    font-size: 1em;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    color: #ffffff;
    background-color: #007ba7;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 123, 167, 0.2);
}
button:hover {
    background-color: #005f80;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 123, 167, 0.3);
}
button:active {
    transform: translateY(1px);
}

/* Toggle Switch (Checkbox Alternative) */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 28px;
    margin: 10px;
}
.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}
.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #c2d6dc;
    transition: 0.4s;
    border-radius: 34px;
}
.toggle-slider:before {
    position: absolute;
    content: "";
    height: 22px;
    width: 22px;
    left: 3px;
    bottom: 3px;
    background-color: #ffffff;
    transition: 0.4s;
    border-radius: 50%;
}
input:checked + .toggle-slider {
    background-color: #007ba7;
}
input:checked + .toggle-slider:before {
    transform: translateX(22px);
}

/* Radio Button Group */
.gr-radio-group label {
    display: inline-flex;
    align-items: center;
    padding: 8px 16px;
    border: 1px solid #b0d3dc;
    border-radius: 8px;
    color: #333333;
    background: #f7fcff;
    margin-right: 10px;
    transition: background-color 0.3s, color 0.3s, border-color 0.3s;
    cursor: pointer;
}
.gr-radio-group label:hover {
    background-color: #eaf6f9;
    border-color: #41a0c4;
    color: #005b8c;
}
.gr-radio-group input[type="radio"] {
    appearance: none;
    width: 18px;
    height: 18px;
    margin-right: 8px;
    border: 2px solid #007ba7;
    border-radius: 50%;
    transition: background-color 0.3s, border-color 0.3s;
}
.gr-radio-group input[type="radio"]:checked {
    background-color: #007ba7;
    border-color: #007ba7;
}

/* Tabs */
.nav-tabs {
    display: flex;
    justify-content: space-around;
    background-color: #ffffff;
    padding: 12px;
    border-bottom: 2px solid #e0f2f4;
    border-radius: 8px;
    margin-bottom: 20px;
}
.nav-tabs .nav-item {
    font-size: 1.1em;
    font-weight: 500;
    color: #333333;
    padding: 10px 20px;
    border: 2px solid transparent;
    border-radius: 6px;
    cursor: pointer;
    transition: color 0.3s, background-color 0.3s, border-color 0.3s;
}
.nav-tabs .nav-item:hover, .nav-tabs .nav-item.active {
    color: #007ba7;
    background-color: #eaf6f9;
    border-color: #007ba7;
}

/* Output Text Styling */
#registration_output, #test_output, #billing_output {
    color: #333333;
    background-color: #f0fbff;
    padding: 15px;
    border-radius: 8px;
    font-weight: 600;
    text-align: left;
    border: 1px solid #d0e7f1;
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.05);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}
#registration_output:hover, #test_output:hover, #billing_output:hover {
    background-color: #e8f7fb;
    border-color: #41a0c4;
}

"""

# Gradio Interface
with gr.Blocks(css=custom_css) as app:
    gr.Markdown("<h1 style='text-align: center;'>👩🏻‍🔬丂卂ㄒ卄Ҝ尺ㄩㄒ卄卂 ㄥ丨爪丂🔬</h1>", elem_id="header")

    with gr.Tab("Patient Registration"):
        gr.Markdown("<h2>Register a New Patient</h2>")

        with gr.Row():
            name = gr.Textbox(label="Patient Name", placeholder="Enter patient's full name", elem_id="name_field")
            father_name = gr.Textbox(label="Father/Husband's Name", placeholder="Enter father/husband's full name", elem_id="father_name_field")

        with gr.Row():
            age = gr.Number(label="Age", value=None, minimum=0, maximum=120, elem_id="age_field")
            gender = gr.Radio(
                choices=["Male", "Female", "Other"],
                label="Gender",
                elem_id="gender_field"
            )

        with gr.Row():
            phone = gr.Textbox(label="Phone Number", placeholder="Enter a valid 10-digit phone number", elem_id="phone_field")
            address = gr.Textbox(label="Address", placeholder="Enter full address", lines=2, elem_id="address_field")

        register_button = gr.Button("Register Patient", elem_id="register_button")
        registration_output = gr.Markdown(label="Registration Output", elem_id="registration_output")

        register_button.click(registration_interface, [name, father_name, age, gender, phone, address], registration_output)

    with gr.Tab("Tests"):
        gr.Markdown("<h2>Select Tests for the Patient</h2>")
        patient_id_test = gr.Textbox(label="Patient ID", placeholder="Enter Patient ID")
        categories = gr.CheckboxGroup(
            ["Haematology", "Clinical Pathology", "Biochemistry", "Microbiology", "Specific Diseases", "Serology", "Radiology", "Other Diagnostic Tests"],
            label="Select Test Categories"
        )
        available_tests = gr.CheckboxGroup(label="Available Tests")
        confirm_button = gr.Button("Confirm Selected Tests")

        # Use Markdown for Test Selection Output to allow for auto-expanding content
        test_output = gr.Markdown(label="Test Selection Output", elem_id="test_output")

        categories.change(test_interface, inputs=categories, outputs=available_tests)
        confirm_button.click(confirm_tests_interface, [patient_id_test, available_tests], test_output)

    with gr.Tab("Billing"):
        gr.Markdown("<h2>Billing Information</h2>")
        patient_id_bill = gr.Textbox(label="Patient ID", placeholder="Enter Patient ID for Billing")
        fetch_button = gr.Button("Fetch Billing Details")

        # Use Markdown for Billing Output to allow for auto-expanding content
        billing_output = gr.Markdown(label="Billing Information", elem_id="billing_output")

        fetch_button.click(billing_interface, [patient_id_bill], billing_output)

app.launch()