const App = {
    str_blend_path: null,
    str_output_path: null,

    init: () => {
        ConsoleLog.init();
        CameraList.init(App._on_camera_select);
        CameraConfig.init();
        RenderQueue.init();
        PreviewPanel.init();
        ProgressBar.init();
        UpdateBanner.init();
        BlenderPath.init();
        NotificationConfig.init();

        App._bind_events();
        App._bind_render_events();

        ConsoleLog.add("Application prete.");
    },

    _bind_events: () => {
        let obj_btn_blend = document.getElementById("btn_select_blend");
        obj_btn_blend.addEventListener("click", () => {
            App._select_blend_file();
        });

        let obj_btn_output = document.getElementById("btn_select_output");
        obj_btn_output.addEventListener("click", () => {
            App._select_output_folder();
        });

        let obj_btn_start = document.getElementById("btn_start");
        obj_btn_start.addEventListener("click", () => {
            App._start_render();
        });

        let obj_btn_pause = document.getElementById("btn_pause");
        obj_btn_pause.addEventListener("click", () => {
            App._pause_render();
        });

        let obj_btn_stop = document.getElementById("btn_stop");
        obj_btn_stop.addEventListener("click", () => {
            App._stop_render();
        });

        let obj_btn_check = document.getElementById("btn_check_queue");
        obj_btn_check.addEventListener("click", () => {
            App._check_queue();
        });

        let obj_btn_save = document.getElementById("btn_save_config");
        obj_btn_save.addEventListener("click", () => {
            App._save_config();
        });

        let obj_btn_load = document.getElementById("btn_load_config");
        obj_btn_load.addEventListener("click", () => {
            App._load_config();
        });

        let obj_radio_subfolder = document.getElementById("radio_output_subfolder");
        let obj_radio_prefix = document.getElementById("radio_output_prefix");
        let obj_radio_both = document.getElementById("radio_output_both");
        let obj_input_frame_prefix = document.getElementById("input_frame_prefix");
        let obj_input_frame_padding = document.getElementById("input_frame_padding");
        obj_radio_subfolder.addEventListener("change", () => { App._update_output_example(); });
        obj_radio_prefix.addEventListener("change", () => { App._update_output_example(); });
        obj_radio_both.addEventListener("change", () => { App._update_output_example(); });
        obj_input_frame_prefix.addEventListener("input", () => { App._update_output_example(); });
        obj_input_frame_padding.addEventListener("input", () => { App._update_output_example(); });
    },

    _bind_render_events: () => {
        window.api.on_render_complete((obj_data) => {
            if (obj_data.is_all_done) {
                ConsoleLog.add("Tous les rendus sont termines !");
                App._set_controls_state("idle");
            }
        });

        window.api.on_render_error((obj_data) => {
            ConsoleLog.add("ERREUR sur " + obj_data.str_camera + " frame " + obj_data.nb_frame + " : " + obj_data.str_error);
        });
    },

    _update_output_example: () => {
        let str_mode = document.querySelector('input[name="output_mode"]:checked').value;
        let str_prefix = document.getElementById("input_frame_prefix").value || "";
        let nb_padding = parseInt(document.getElementById("input_frame_padding").value, 10) || 5;
        let str_padded = String(1).padStart(nb_padding, "0");
        let obj_label = document.getElementById("label_output_example");
        if (str_mode === "subfolder") {
            obj_label.innerHTML = 'Ex: /sortie/<strong>Camera.001</strong>/' + str_prefix + str_padded + '.png';
        } else if (str_mode === "prefix") {
            obj_label.innerHTML = 'Ex: /sortie/<strong>Camera.001</strong>_' + str_prefix + str_padded + '.png';
        } else {
            obj_label.innerHTML = 'Ex: /sortie/<strong>Camera.001</strong>/<strong>Camera.001</strong>_' + str_prefix + str_padded + '.png';
        }
    },

    // ── Actions ────────────────────────────────────────────

    _select_blend_file: () => {
        let obj_btn_blend = document.getElementById("btn_select_blend");

        window.api.select_blend_file()
            .then((str_path) => {
                if (!str_path) {
                    return;
                }

                App.str_blend_path = str_path;
                document.getElementById("input_blend_path").value = str_path;
                ConsoleLog.add("Fichier charge : " + str_path);

                obj_btn_blend.disabled = true;
                CameraList.show_loading();

                return window.api.get_cameras(str_path);
            })
            .then((obj_result) => {
                obj_btn_blend.disabled = false;

                if (!obj_result) {
                    return;
                }

                CameraList.set_cameras(obj_result.list_cameras, obj_result.obj_scene);
                CameraConfig.clear();
                ConsoleLog.add(obj_result.list_cameras.length + " camera(s) trouvee(s).");
                App._update_start_button();
            })
            .catch((obj_err) => {
                obj_btn_blend.disabled = false;
                ConsoleLog.add("Erreur chargement : " + obj_err.message);
            });
    },

    _select_output_folder: () => {
        window.api.select_output_folder()
            .then((str_path) => {
                if (!str_path) {
                    return;
                }

                App.str_output_path = str_path;
                document.getElementById("input_output_path").value = str_path;
                ConsoleLog.add("Dossier de sortie : " + str_path);
                App._update_start_button();
            })
            .catch((obj_err) => {
                ConsoleLog.add("Erreur selection dossier : " + obj_err.message);
            });
    },

    _on_camera_select: (obj_camera) => {
        CameraConfig.show(obj_camera);
    },

    _start_render: () => {
        let obj_btn_start = document.getElementById("btn_start");
        if (obj_btn_start.disabled) {
            return;
        }
        obj_btn_start.disabled = true;

        if (!App.str_output_path) {
            ConsoleLog.add("Veuillez selectionner un dossier de sortie.");
            App._set_controls_state("idle");
            return;
        }

        let str_mode = document.querySelector('input[name="render_mode"]:checked').value;
        let str_output_mode = document.querySelector('input[name="output_mode"]:checked').value;
        let str_overwrite_mode = document.querySelector('input[name="overwrite_mode"]:checked').value;
        let list_cameras = CameraList.list_cameras;

        let str_frame_prefix = document.getElementById("input_frame_prefix").value || "";
        let nb_frame_padding = parseInt(document.getElementById("input_frame_padding").value, 10) || 5;
        let obj_config = {
            str_blend_file: App.str_blend_path,
            str_render_mode: str_mode,
            str_output_mode: str_output_mode,
            str_overwrite_mode: str_overwrite_mode,
            str_frame_prefix: str_frame_prefix,
            nb_frame_padding: nb_frame_padding,
            str_output_path: App.str_output_path,
            list_cameras: list_cameras,
        };

        RenderQueue.build_display(str_mode, list_cameras);
        ProgressBar.reset();

        window.api.start_render(obj_config)
            .then(() => {
                App._set_controls_state("running");
                ConsoleLog.add("Rendu lance en mode : " + str_mode);
            })
            .catch((obj_err) => {
                App._set_controls_state("idle");
                ConsoleLog.add("Erreur lancement rendu : " + obj_err.message);
            });
    },

    _pause_render: () => {
        window.api.pause_render()
            .then(() => {
                App._set_controls_state("paused");
            })
            .catch((obj_err) => {
                ConsoleLog.add("Erreur pause : " + obj_err.message);
            });
    },

    _stop_render: () => {
        window.api.stop_render()
            .then(() => {
                App._set_controls_state("idle");
            })
            .catch((obj_err) => {
                ConsoleLog.add("Erreur arret : " + obj_err.message);
            });
    },

    _check_queue: () => {
        let obj_btn_check = document.getElementById("btn_check_queue");
        if (obj_btn_check.disabled) {
            return;
        }

        if (!App.str_output_path) {
            ConsoleLog.add("Veuillez selectionner un dossier de sortie.");
            return;
        }

        let str_mode = document.querySelector('input[name="render_mode"]:checked').value;
        let str_output_mode = document.querySelector('input[name="output_mode"]:checked').value;
        let list_cameras = CameraList.list_cameras;
        let str_frame_prefix = document.getElementById("input_frame_prefix").value || "";
        let nb_frame_padding = parseInt(document.getElementById("input_frame_padding").value, 10) || 5;

        let obj_config = {
            str_blend_file: App.str_blend_path,
            str_render_mode: str_mode,
            str_output_mode: str_output_mode,
            str_frame_prefix: str_frame_prefix,
            nb_frame_padding: nb_frame_padding,
            str_output_path: App.str_output_path,
            list_cameras: list_cameras,
        };

        RenderQueue.build_display(str_mode, list_cameras);
        obj_btn_check.disabled = true;
        ConsoleLog.add("Verification des fichiers existants...");

        window.api.check_queue(obj_config)
            .then((obj_result) => {
                obj_btn_check.disabled = false;
                RenderQueue.mark_existing(obj_result.list_existing);
                let nb_existing = obj_result.list_existing.length;
                let nb_to_render = obj_result.nb_total - nb_existing;
                ConsoleLog.add("Verification terminee : " + nb_existing + " fichier(s) existant(s), " + nb_to_render + " a rendre.");
            })
            .catch((obj_err) => {
                obj_btn_check.disabled = false;
                ConsoleLog.add("Erreur verification : " + obj_err.message);
            });
    },

    _save_config: () => {
        let str_mode = document.querySelector('input[name="render_mode"]:checked').value;
        let str_output_mode = document.querySelector('input[name="output_mode"]:checked').value;
        let str_overwrite_mode = document.querySelector('input[name="overwrite_mode"]:checked').value;
        let str_frame_prefix = document.getElementById("input_frame_prefix").value || "";
        let nb_frame_padding = parseInt(document.getElementById("input_frame_padding").value, 10) || 5;
        let obj_config = {
            str_blend_file: App.str_blend_path,
            str_render_mode: str_mode,
            str_output_mode: str_output_mode,
            str_overwrite_mode: str_overwrite_mode,
            str_frame_prefix: str_frame_prefix,
            nb_frame_padding: nb_frame_padding,
            str_output_path: App.str_output_path,
            list_cameras: CameraList.list_cameras,
        };

        window.api.save_config(obj_config)
            .then((obj_result) => {
                if (obj_result && obj_result.is_success) {
                    ConsoleLog.add("Configuration exportee : " + obj_result.str_path);
                }
            })
            .catch((obj_err) => {
                ConsoleLog.add("Erreur sauvegarde : " + obj_err.message);
            });
    },

    _load_config: () => {
        window.api.load_config()
            .then((obj_config) => {
                if (!obj_config) {
                    return;
                }

                App.str_blend_path = obj_config.str_blend_file;
                App.str_output_path = obj_config.str_output_path || null;
                document.getElementById("input_blend_path").value = obj_config.str_blend_file || "";
                document.getElementById("input_output_path").value = obj_config.str_output_path || "";

                if (obj_config.str_render_mode === "frame_by_frame") {
                    document.getElementById("radio_frame_by_frame").checked = true;
                } else {
                    document.getElementById("radio_camera_by_camera").checked = true;
                }

                if (obj_config.str_output_mode === "prefix") {
                    document.getElementById("radio_output_prefix").checked = true;
                } else if (obj_config.str_output_mode === "both") {
                    document.getElementById("radio_output_both").checked = true;
                } else {
                    document.getElementById("radio_output_subfolder").checked = true;
                }

                if (obj_config.str_overwrite_mode === "skip") {
                    document.getElementById("radio_skip").checked = true;
                } else {
                    document.getElementById("radio_overwrite").checked = true;
                }

                if (obj_config.str_frame_prefix !== undefined) {
                    document.getElementById("input_frame_prefix").value = obj_config.str_frame_prefix;
                }
                if (obj_config.nb_frame_padding !== undefined) {
                    document.getElementById("input_frame_padding").value = obj_config.nb_frame_padding;
                }

                App._update_output_example();

                if (obj_config.list_cameras && obj_config.list_cameras.length > 0) {
                    CameraList.list_cameras = obj_config.list_cameras;
                    CameraList.str_selected_camera = null;
                    CameraList.render();

                    let obj_badge = document.getElementById("badge_camera_count");
                    obj_badge.textContent = String(obj_config.list_cameras.length);
                }

                CameraConfig.clear();
                App._update_start_button();
                ConsoleLog.add("Configuration importee.");
            })
            .catch((obj_err) => {
                ConsoleLog.add("Erreur chargement config : " + obj_err.message);
            });
    },

    // ── UI State ───────────────────────────────────────────

    _set_controls_state: (str_state) => {
        let obj_btn_start = document.getElementById("btn_start");
        let obj_btn_pause = document.getElementById("btn_pause");
        let obj_btn_stop = document.getElementById("btn_stop");
        let obj_btn_check = document.getElementById("btn_check_queue");

        if (str_state === "running") {
            obj_btn_start.disabled = true;
            obj_btn_pause.disabled = false;
            obj_btn_stop.disabled = false;
            obj_btn_check.disabled = true;
        } else if (str_state === "paused") {
            obj_btn_start.disabled = false;
            obj_btn_pause.disabled = true;
            obj_btn_stop.disabled = false;
            obj_btn_check.disabled = true;
        } else {
            App._update_start_button();
            obj_btn_pause.disabled = true;
            obj_btn_stop.disabled = true;
        }
    },

    _update_start_button: () => {
        let obj_btn_start = document.getElementById("btn_start");
        let obj_btn_check = document.getElementById("btn_check_queue");
        let is_ready = App.str_blend_path
            && App.str_output_path
            && CameraList.get_enabled_cameras().length > 0;
        obj_btn_start.disabled = !is_ready;
        obj_btn_check.disabled = !is_ready;
    },
};

document.addEventListener("DOMContentLoaded", () => {
    App.init();
});