#include <stdio.h>

#include "strops.hpp"
#include "ui.hpp"
#include "imgui.h"
#include "administration.hpp"
#include "locales.hpp"

static view_state current_view_state = view_state::LIST;
static invoice active_invoice;

void ui_setup_invoices()
{
    current_view_state = view_state::LIST;
    active_invoice = administration_create_empty_invoice();
}

bool draw_invoice_form(invoice* buffer, bool back_button_enabled = true, bool viewing_only = false)
{
    if (back_button_enabled)
    {
        if (ImGui::Button(localize("form.back"))) {
            current_view_state = view_state::LIST;
            return false;
        }
    }
    ImGui::Spacing();
    float widthAvailable = ImGui::GetContentRegionAvail().x;

    // 1. Identifier
    //ImGui::BeginDisabled();
    //ImGui::SetNextItemWidth(widthAvailable*0.2f);
    //ImGui::InputText(localize("contact.form.identifier"), buffer->id, IM_ARRAYSIZE(buffer->id));
    
    // 2. Sequential number
    ImGui::SetNextItemWidth(widthAvailable*0.5f);
    ImGui::InputTextWithHint("Invoice number", "Invoice number", buffer->sequential_number, IM_ARRAYSIZE(buffer->sequential_number));
    ImGui::SameLine();ui_helper_draw_required_tag();
    if (!viewing_only) ImGui::EndDisabled();

    return false;
}

void draw_invoices_list()
{
    // Table header controls: create button and pagination.
    if (ImGui::Button(localize("form.create")))
    {
        current_view_state = view_state::CREATE;
        active_invoice = administration_create_empty_invoice(); 
    }
}

void ui_draw_invoices()
{
    switch(current_view_state)
    {
        case view_state::LIST: draw_invoices_list(); break;
        case view_state::CREATE: 
            if (draw_invoice_form(&active_invoice)) 
            {
                //administration_create_invoice(active_invoice);
                current_view_state = view_state::LIST;
            } 
            break;
        case view_state::EDIT: break;
        case view_state::VIEW: break;
    }
}