import requests
import tkinter as tk
import threading
import time
import os
from tkinter import ttk
from new_job_window import NewJobWindow
from server_proxy import RenderServerProxy


def request_data(server_ip, payload, server_port=8080, timeout=2):
    try:
        req = requests.get(f'http://{server_ip}:{server_port}/api/{payload}', timeout=timeout)
        if req.ok:
            return req.json()
    except Exception as e:
        pass
    return None


def sort_column(tree, col, reverse=False):
    data = [(tree.set(child, col), child) for child in tree.get_children('')]
    data.sort(reverse=reverse)
    for index, (_, child) in enumerate(data):
        tree.move(child, '', index)


def make_sortable(tree):
    for col in tree["columns"]:
        tree.heading(col, text=col, command=lambda c=col: sort_column(tree, c))


class ZordonClient:

    def __init__(self):

        # Create a Treeview widget
        self.root = tk.Tk()
        self.tree = ttk.Treeview(self.root, show="headings")
        self.server_proxy = RenderServerProxy(hostname='localhost')
        self.job_cache = []

        # Define the columns
        self.tree["columns"] = ("id", "Name", "Renderer", "Priority", "Status", "Time Elapsed", "Frames")

        # Format the columns
        self.tree.column("id", width=0, stretch=False)
        self.tree.column("Name", width=50)
        self.tree.column("Renderer", width=100, stretch=False)
        self.tree.column("Priority", width=50, stretch=False)
        self.tree.column("Status", width=100, stretch=False)
        self.tree.column("Time Elapsed", width=100, stretch=False)
        self.tree.column("Frames", width=50, stretch=False)

        # Create the column headings
        for name in self.tree['columns']:
            self.tree.heading(name, text=name)

        # Pack the Treeview widget
        self.tree.pack(fill=tk.BOTH, expand=False)

        new_job_button = tk.Button(self.root, text="New Job", command=self.show_new_job_window)
        new_job_button.pack()

        # Start the Tkinter event loop
        self.root.geometry("500x600+300+300")
        self.root.maxsize(width=2000, height=1200)
        self.root.minsize(width=600, height=600)

        make_sortable(self.tree)
        self.start_update_thread()

    def mainloop(self):
        self.root.mainloop()

    def start_update_thread(self):
        x = threading.Thread(target=self.__background_update)
        x.daemon = True
        x.start()

    def __background_update(self):
        while True:
            self.update_jobs(clear_table=False)
            time.sleep(1)

    def update_jobs(self, clear_table=False):

        def update_row(tree, id, new_values):
            for item in tree.get_children():
                values = tree.item(item, "values")
                if values[0] == id:
                    tree.item(item, values=new_values)
                    break
        if clear_table:
            self.tree.delete(*self.tree.get_children())
        self.job_cache = self.server_proxy.get_jobs()
        all_jobs = self.job_cache
        for job in all_jobs:
            display_status = job['status'] if job['status'] != 'running' else job['percent_complete']
            values = (job['id'], job['name'] or os.path.basename(job['input_path']), job['renderer'] + "-" + job['renderer_version'], job['priority'],
                      display_status, job['time_elapsed'], job['total_frames'])
            if self.tree.exists(job['id']):
                update_row(self.tree, job['id'], new_values=values)
            else:
                self.tree.insert("", tk.END, iid=job['id'], values=values)

    def show_new_job_window(self):
        new_window = tk.Toplevel(self.root)
        new_window.title("New Window")
        new_window.geometry("500x600+300+300")
        new_window.resizable(False, False)
        x = NewJobWindow(parent=new_window, hostname=self.server_proxy.hostname)
        x.pack()


if __name__ == '__main__':
    x = ZordonClient()
    x.mainloop()