#include <imgui.h>
#include "app_base.h"
#include "core/panel_menu.h"
#include "core/icons_tabler.h"
#include "core/logger.h"
#include "data_http.h"

#include <string>
#include <vector>

// Config global del backend HTTP. Persistido por imgui.ini via Mantine-no-go.
static std::string g_api_url = "http://127.0.0.1:8090";

// Cache en memoria del primer fetch. Tabs proximos updates via WS.
static std::vector<dag_ui::DagInfo> g_dags;
static std::string                  g_last_error;

// Toggles de paneles (visibles desde el menu View del menubar canonico)
static bool g_show_main = true;

static void draw_main() {
    if (!ImGui::Begin(TI_HOME " Main", &g_show_main)) {
        ImGui::End();
        return;
    }
    ImGui::Text("API: %s", g_api_url.c_str());
    if (ImGui::Button("Fetch /api/dags")) {
        g_dags.clear();
        g_last_error.clear();
        if (!dag_ui::list_dags_http(g_api_url, g_dags)) {
            g_last_error = "list_dags_http failed (see stderr)";
        }
    }
    if (!g_last_error.empty()) {
        ImGui::TextColored(ImVec4(1, 0.4f, 0.4f, 1), "%s", g_last_error.c_str());
    }
    ImGui::Separator();
    ImGui::Text("DAGs: %zu", g_dags.size());
    for (auto& d : g_dags) {
        ImGui::BulletText("%s  (%s)  schedule=%s",
                          d.name.c_str(),
                          d.valid ? "valid" : "invalid",
                          d.schedule.empty() ? "none" : d.schedule[0].c_str());
    }
    ImGui::End();
}

static void render() {
    // El framework dibuja menubar (View/Layouts/Settings/About) y un
    // DockSpaceOverViewport central (auto_dockspace=true por defecto).
    // Aqui solo se dibujan los paneles propios de la app.
    if (g_show_main) draw_main();

    // === Data panel (uncomment to enable) ===
    // static data_table::State data_state;
    // static std::vector<data_table::TableInput> data_tables; // populate from your source
    // data_table::render("main_data", data_tables, data_state);
}

int main(int /*argc*/, char** /*argv*/) {
    static fn_ui::PanelToggle panels[] = {
        { "Main", nullptr, &g_show_main },
    };

    fn::AppConfig cfg;
    cfg.title       = "dag_engine_ui — Frontend ImGui para dag_engine. Lista, lanza e inspecciona DAGs con live updates via WS.";
    cfg.about       = { "dag_engine_ui", "0.1.0", "Frontend ImGui para dag_engine. Lista, lanza e inspecciona DAGs con live updates via WS." };
    cfg.log         = { "dag_engine_ui.log", 1 };
    cfg.panels      = panels;
    cfg.panel_count = sizeof(panels) / sizeof(panels[0]);

    return fn::run_app(cfg, render);
}