import streamlit as st
import os
import csv

DATA_DIR = "data/uploadedImages"
RESOURCES_FILE = "Resources.csv"

uploaded_images = {'characters': {}, 'terrain': {}}

def get_image_path(img, name, image_type):
    file_path = os.path.join(DATA_DIR, image_type, name, img.name)
    os.makedirs(os.path.dirname(file_path), exist_ok=True)
    with open(file_path, "wb") as img_file:
        img_file.write(img.getbuffer())
    return file_path

def update_resources_file(uploaded_file, name, image_type):
    file_content = (name, uploaded_file.name, image_type)
    with open(RESOURCES_FILE, mode='a', newline='') as csv_file:
        csv_writer = csv.writer(csv_file)
        csv_writer.writerow(file_content)

def get_resources():
    if os.path.exists(RESOURCES_FILE):
        with open(RESOURCES_FILE, mode='r') as csv_file:
            csv_reader = csv.reader(csv_file)
            return [row for row in csv_reader if row]
    else:
        return []

def display_images(image_type):
    for name, files in uploaded_images[image_type].items():
        for file in files:
            st.sidebar.image(file, width=100, caption=name)

def display_terrain():
    row = []
    for name, files in uploaded_images['terrain'].items():
        for file in files:
            row.append(file)
            if len(row) == 3:
                st.image(row, width=100 * 3)
                row = []
    if row:
        st.image(row, width=100 * len(row)) # Last row, if not complete

def display_uploaded_images(image_type):
    st.write(f"## Uploaded {image_type.capitalize()}")
    if image_type == 'characters':
        display_images('characters')
    else:
        display_terrain()

    st.write("## Uploaded Images Table")
    resources = get_resources()
    if resources:
        st.write("| Name | File Name | Image Type |")
        st.write("| --- | --- | --- |")
        for name, file_name, image_type in resources:
            file_name_without_extension = os.path.splitext(file_name)[0]
            st.write(f"| {name} | {file_name_without_extension} | {image_type} |")
    else:
        st.write("No images uploaded yet.")

image_type = st.selectbox('Choose image type:', options=['characters', 'terrain'])
name = st.text_input('Enter a name for the image:')
uploaded_files = st.file_uploader('Upload image(s)', type=['png', 'jpg'], accept_multiple_files=True)

for uploaded_file in uploaded_files:
    if uploaded_file is not None:
        # Get actual image file
        file_path = get_image_path(uploaded_file, name, image_type)
        uploaded_images[image_type].setdefault(name, [])
        uploaded_images[image_type][name].append(file_path)
        st.image(file_path, use_column_width=True)
        update_resources_file(uploaded_file, name, image_type)

display_uploaded_images(image_type)