# language default packages
from application import *

# external packages
import gradio as gr

# internal packages
from cloud_db import *
from cloud_storage import *
from supplier import *

# get prompts, terms, outputs from the cloud
def init_app_data():
    '''
    a function to initialize the application data from the cloud backend
    '''
    app_data["devices"] = get_table("devices")

def create_view(device):
    md_text = ""
    
    # add overview
    md_text += f"<details><summary><b>Intended Use</b></summary>\n\n"
    md_text += device["intended_use"] + "\n</details>\n\n"

    md_text += f"<details><summary><b>Indications</b></summary>\n\n"
    md_text += device["indications"] + "\n</details>\n\n"

    md_text += f"<details><summary><b>Contraindications</b></summary>\n\n"
    md_text += device["contraindications"] + "\n</details>\n\n"

    return gr.update(value=md_text)

def add_device(
        device_name,
        device_type,
        upload_instruction,
        intended_use,
        indications,
        contraindications
        ):
    
    if device_name in [d["device_name"] for d in app_data["devices"]]:
        return gr.update(value="Device already exists!")

    device = {
        "device_name":device_name,
        "device_type":device_type,
    }
    
    if upload_instruction:
        content, _ = read_pdf(upload_instruction)

        device["intended_use"] = get_intended_use(content)
        device["indications"] = get_indications(content)
        device["contraindications"] = get_contraindications(content)
        
        filename = upload_instruction.name.split("/")[-1] if "/" in upload_instruction.name else upload_instruction.name.split("\\")[-1]

        upload_fileobj(upload_instruction,"instructions",filename)
    else:
        device["intended_use"] = intended_use
        device["indications"] = indications
        device["contraindications"] = contraindications

    res = post_item("devices",device)
    app_data["current_device"] = device

    init_app_data()

    return create_view(device)

def get_device(
        device_name
):
    item = get_item("devices",{"device_name":device_name})["Item"]
    device = db_map_to_py_dict(item)
    return device["device_name"], device["device_type"], device["intended_use"], device["indications"], device["contraindications"], create_view(device)

def remove_device(
        device_name
):
    res = delete_item("devices",{"device_name":device_name})
    return res

def update_device(
        device_name,
        device_type,
        intended_use,
        indications,
        contraindications
    ):
    device = {
        "device_name":device_name,
        "device_type":device_type,
        "intended_use":intended_use,
        "indications":indications,
        "contraindications":contraindications
    }
    res = put_item("devices",device)
    return res

def get_intended_use(content):
    instructions = [
        "what is the intended use of this device?"
    ]
    result = send_inst(create_inst(content,instructions))
    return result

def get_indications(content):
    instructions = [
        "what are the indications for use outllined for this device?"
    ]
    result = send_inst(create_inst(content,instructions))
    return result

def get_contraindications(content):
    instructions = [
        "what are the contraindications for use outllined for this device?"
    ]
    result = send_inst(create_inst(content,instructions))
    return result