let websocket_connection;
let pending_administrator_form = null;
let stopwatch_interval_identifier = null;

function initialize_lucide_icons() {
    if (typeof lucide !== "undefined") {
        lucide.createIcons();
    }
}

function update_game_stopwatch() {
    const stopwatch_element = document.getElementById("game-stopwatch");
    if (!stopwatch_element) {
        return;
    }

    const start_time_string = stopwatch_element.getAttribute("data-start-time");
    if (!start_time_string) {
        return;
    }

    const start_date = new Date(start_time_string);
    if (isNaN(start_date.getTime())) {
        return;
    }

    const current_date = new Date();
    const difference_in_milliseconds = current_date.getTime() - start_date.getTime();

    if (difference_in_milliseconds < 0) {
        stopwatch_element.textContent = "00:00 Minuten";
        return;
    }

    const total_seconds = Math.floor(difference_in_milliseconds / 1000);
    const days_passed = Math.floor(total_seconds / 86400);
    const hours_passed = Math.floor((total_seconds % 86400) / 3600);
    const minutes_passed = Math.floor((total_seconds % 3600) / 60);
    const seconds_passed = total_seconds % 60;

    let output_string = "";

    if (days_passed === 1) {
        output_string += "1 Tag und ";
    } else if (days_passed > 1) {
        output_string += days_passed + " Tage und ";
    }

    const padded_minutes = String(minutes_passed).padStart(2, "0");
    const padded_seconds = String(seconds_passed).padStart(2, "0");

    if (hours_passed === 1) {
        output_string += "1:" + padded_minutes + ":" + padded_seconds + " Stunde";
    } else if (hours_passed > 1) {
        output_string += hours_passed + ":" + padded_minutes + ":" + padded_seconds + " Stunden";
    } else {
        output_string += padded_minutes + ":" + padded_seconds + " Minuten";
    }

    stopwatch_element.textContent = output_string;
}

function initialize_application_behavior() {
    initialize_lucide_icons();
    
    if (stopwatch_interval_identifier) {
        clearInterval(stopwatch_interval_identifier);
    }
    stopwatch_interval_identifier = setInterval(update_game_stopwatch, 1000);
    update_game_stopwatch();
    
    const tab_buttons = document.querySelectorAll(".tab-button");
    tab_buttons.forEach(function(current_button) {
        current_button.addEventListener("click", function() {
            const target_identifier = current_button.getAttribute("data-target");
            const parent_container = current_button.closest(".application-content");
            
            parent_container.querySelectorAll(".tab-button").forEach(function(button_element) {
                button_element.classList.remove("active-tab");
            });
            parent_container.querySelectorAll(".tab-content").forEach(function(content_element) {
                content_element.classList.remove("active-content");
            });
            
            current_button.classList.add("active-tab");
            const target_panel = document.getElementById(target_identifier);
            if (target_panel) {
                target_panel.classList.add("active-content");
            }
        });
    });

    const player_forms = document.querySelectorAll(".asynchronous-form");
    player_forms.forEach(function(current_form) {
        current_form.addEventListener("submit", function(form_submission_event) {
            form_submission_event.preventDefault();
            execute_form_submission(current_form);
        });
    });

    const administrator_forms = document.querySelectorAll(".admin-asynchronous-form");
    administrator_forms.forEach(function(current_form) {
        current_form.addEventListener("submit", function(form_submission_event) {
            form_submission_event.preventDefault();
            pending_administrator_form = current_form;
            const administrator_modal = document.getElementById("admin-confirmation-modal");
            if (administrator_modal) {
                const time_input = document.getElementById("modal_execution_time");
                if (time_input) {
                    time_input.value = "";
                }
                administrator_modal.classList.add("active-modal");
            }
        });
    });

    const confirm_administrator_button = document.getElementById("confirm-admin-action");
    if (confirm_administrator_button) {
        confirm_administrator_button.addEventListener("click", function() {
            if (pending_administrator_form) {
                const time_input = document.getElementById("modal_execution_time");
                if (time_input && time_input.value) {
                    let hidden_time_input = pending_administrator_form.querySelector("input[name='execution_time']");
                    if (!hidden_time_input) {
                        hidden_time_input = document.createElement("input");
                        hidden_time_input.type = "hidden";
                        hidden_time_input.name = "execution_time";
                        pending_administrator_form.appendChild(hidden_time_input);
                    }
                    hidden_time_input.value = time_input.value;
                } else {
                    let hidden_time_input = pending_administrator_form.querySelector("input[name='execution_time']");
                    if (hidden_time_input) {
                        hidden_time_input.remove();
                    }
                }
                execute_form_submission(pending_administrator_form);
                pending_administrator_form = null;
                const administrator_modal = document.getElementById("admin-confirmation-modal");
                if (administrator_modal) {
                    administrator_modal.classList.remove("active-modal");
                }
            }
        });
    }

    const cancel_administrator_button = document.getElementById("cancel-admin-action");
    if (cancel_administrator_button) {
        cancel_administrator_button.addEventListener("click", function() {
            pending_administrator_form = null;
            const administrator_modal = document.getElementById("admin-confirmation-modal");
            if (administrator_modal) {
                administrator_modal.classList.remove("active-modal");
            }
        });
    }

    const trigger_elimination_button = document.getElementById("trigger-elimination");
    if (trigger_elimination_button) {
        trigger_elimination_button.addEventListener("click", function() {
            const elimination_modal = document.getElementById("elimination-confirm-modal");
            if (elimination_modal) {
                elimination_modal.classList.add("active-modal");
            }
        });
    }

    const proceed_elimination_button = document.getElementById("proceed-elimination");
    if (proceed_elimination_button) {
        proceed_elimination_button.addEventListener("click", function() {
            websocket_connection.emit("request_elimination");
            const elimination_modal = document.getElementById("elimination-confirm-modal");
            if (elimination_modal) {
                elimination_modal.classList.remove("active-modal");
            }
            const waiting_modal = document.getElementById("waiting-modal");
            if (waiting_modal) {
                waiting_modal.classList.add("active-modal");
            }
        });
    }

    const cancel_elimination_button = document.getElementById("cancel-elimination");
    if (cancel_elimination_button) {
        cancel_elimination_button.addEventListener("click", function() {
            const elimination_modal = document.getElementById("elimination-confirm-modal");
            if (elimination_modal) {
                elimination_modal.classList.remove("active-modal");
            }
        });
    }

    const confirm_button = document.getElementById("confirm-elimination");
    if (confirm_button) {
        confirm_button.addEventListener("click", function() {
            websocket_connection.emit("confirm_elimination");
            const modal_element = document.getElementById("verification-modal");
            if (modal_element) {
                modal_element.classList.remove("active-modal");
            }
        });
    }

    const reject_button = document.getElementById("reject-elimination");
    if (reject_button) {
        reject_button.addEventListener("click", function() {
            websocket_connection.emit("reject_elimination");
            const modal_element = document.getElementById("verification-modal");
            if (modal_element) {
                modal_element.classList.remove("active-modal");
            }
        });
    }

    const acknowledge_rejection_button = document.getElementById("acknowledge-rejection");
    if (acknowledge_rejection_button) {
        acknowledge_rejection_button.addEventListener("click", function() {
            const rejection_modal = document.getElementById("rejection-modal");
            if (rejection_modal) {
                rejection_modal.classList.remove("active-modal");
            }
        });
    }

    const open_name_modal_button = document.getElementById("trigger-name-change-modal");
    if (open_name_modal_button) {
        open_name_modal_button.addEventListener("click", function() {
            const name_modal = document.getElementById("name-change-modal");
            if (name_modal) {
                name_modal.classList.add("active-modal");
            }
        });
    }

    const close_name_modal_button = document.getElementById("cancel-name-change");
    if (close_name_modal_button) {
        close_name_modal_button.addEventListener("click", function() {
            const name_modal = document.getElementById("name-change-modal");
            if (name_modal) {
                name_modal.classList.remove("active-modal");
            }
        });
    }
}

function execute_form_submission(target_form) {
    const active_tab_element = document.querySelector(".active-tab");
    let active_target = "control-panel";
    if (active_tab_element) {
        active_target = active_tab_element.getAttribute("data-target");
    }
    
    fetch(target_form.action, {
        method: target_form.method,
        body: new FormData(target_form)
    })
    .then(function(network_response) { return network_response.text(); })
    .then(function(markup_text) {
        replace_main_content(markup_text);
        const new_tab_button = document.querySelector(".tab-button[data-target='" + active_target + "']");
        if (new_tab_button) {
            new_tab_button.click();
        }
    });
}

function replace_main_content(markup_text) {
    const document_parser = new DOMParser();
    const parsed_document = document_parser.parseFromString(markup_text, "text/html");
    const current_container = document.querySelector(".application-content");
    const new_container = parsed_document.querySelector(".application-content");
    if (current_container && new_container) {
        current_container.innerHTML = new_container.innerHTML;
        initialize_application_behavior();
    }
}

document.addEventListener("DOMContentLoaded", function() {
    if ("serviceWorker" in navigator) {
        navigator.serviceWorker.register("/service_worker.js");
    }

    if (typeof io !== "undefined") {
        websocket_connection = io();
        
        websocket_connection.on("game_state_changed", function() {
            if (document.querySelector(".game-section") || document.querySelector(".administrator-section")) {
                fetch(window.location.href)
                    .then(function(network_response) { return network_response.text(); })
                    .then(function(markup_text) {
                        replace_main_content(markup_text);
                    });
            }
        });

        websocket_connection.on("admin_state_changed", function() {
            if (document.querySelector(".administrator-section")) {
                fetch(window.location.href)
                    .then(function(network_response) { return network_response.text(); })
                    .then(function(markup_text) {
                        replace_main_content(markup_text);
                    });
            }
        });

        websocket_connection.on("elimination_verification_requested", function() {
            const modal_element = document.getElementById("verification-modal");
            if (modal_element) {
                modal_element.classList.add("active-modal");
            } else {
                fetch(window.location.href)
                    .then(function(network_response) { return network_response.text(); })
                    .then(function(markup_text) {
                        replace_main_content(markup_text);
                        const new_modal_element = document.getElementById("verification-modal");
                        if (new_modal_element) {
                            new_modal_element.classList.add("active-modal");
                        }
                    });
            }
        });

        websocket_connection.on("elimination_rejected", function() {
            const waiting_modal = document.getElementById("waiting-modal");
            if (waiting_modal) {
                waiting_modal.classList.remove("active-modal");
            }
            const rejection_modal = document.getElementById("rejection-modal");
            if (rejection_modal) {
                rejection_modal.classList.add("active-modal");
            }
        });
    }
    initialize_application_behavior();
});