#include <stdlib.h>
#include <stdio.h>

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

extern bool draw_contact_form(contact* buffer, bool back_button_enabled = true, bool viewing_only = false);

static contact company_info;
country_tax_bracket* tax_brackets;
u32 tax_bracket_count;

void ui_setup_settings()
{
    company_info = administration_get_company_info();

    tax_bracket_count = administration_get_tax_bracket_count();
    tax_brackets = (country_tax_bracket*)malloc(tax_bracket_count * sizeof(country_tax_bracket));
    administration_get_tax_brackets(tax_brackets);
}

static void ui_draw_vat_rates()
{
     if (ImGui::BeginTable("TableVatRates", 2, ImGuiTableFlags_Borders | ImGuiTableFlags_RowBg)) {

        ImGui::TableSetupColumn(localize("settings.vat.table.country"), ImGuiTableColumnFlags_WidthFixed, 140);
        ImGui::TableSetupColumn(localize("settings.vat.table.rates"));

        char prev_country[3];
        prev_country[0] = 0;

        for (u32 i = 0; i < tax_bracket_count; i++) {
            country_tax_bracket c = tax_brackets[i];

            if (strcmp(c.country_code, "00") == 0)
            {
                strops_copy(prev_country, c.country_code, 3);         
            }
            else if (strcmp(c.country_code, prev_country) != 0)
            {            
                strops_copy(prev_country, c.country_code, 3);

                ImGui::TableNextRow();
                ImGui::TableSetColumnIndex(0); ImGui::Text("");
                ImGui::TableSetBgColor(ImGuiTableBgTarget_CellBg, IM_COL32(69, 69, 69, 255));
                ImGui::TableSetColumnIndex(1); ImGui::Text("");
                ImGui::TableSetBgColor(ImGuiTableBgTarget_CellBg, IM_COL32(69, 69, 69, 255));

                ImGui::TableNextRow();

                char locale_buf[20];
                snprintf(locale_buf, sizeof(locale_buf), "country.%s", c.country_code);
                ImGui::TableSetColumnIndex(0); ImGui::Text(localize(locale_buf));
                ImGui::TableSetColumnIndex(1); ImGui::Text("");
            }
            
            ImGui::TableNextRow();
            ImGui::TableSetColumnIndex(0); ImGui::Text(localize(c.description));
            ImGui::TableSetColumnIndex(1); ImGui::Text("%.2f%%", c.rate);
        }

        ImGui::EndTable();
    }
}

void ui_draw_settings()
{
    if (ImGui::BeginTabBar("SettingsTabBar"))
    {
        if (ImGui::BeginTabItem(localize("settings.table.company")))
        {
            bool save = draw_contact_form(&company_info, false);

            if (save) {
                administration_set_company_info(company_info);
            }
            ImGui::EndTabItem();
        }
        if (ImGui::BeginTabItem(localize("settings.table.vatrates")))
        {
            ui_draw_vat_rates();
            ImGui::EndTabItem();
        }
        ImGui::EndTabBar();
    }
}