#include "libublsettings-gtk3.h"

static void child_ready(VteTerminal *terminal, GPid pid, GError *error, gpointer user_data)
{
    if (!terminal) return;
    if (pid == -1) printf("Error\n\n\n");
    else vte_terminal_feed_child(VTE_TERMINAL(terminal),(char*)user_data,strlen((char*)user_data));
}

void yon_terminal_integrated_launch(GtkWidget *place_to_show, char* command, void *endwork_function, void* endwork_function_argument){
    GtkWidget *terminal = vte_terminal_new();
    config_str parsed=NULL;
    int size=0;
    g_shell_parse_argv(command, &size,&parsed, NULL);
    vte_terminal_spawn_async(VTE_TERMINAL(terminal),VTE_PTY_NO_HELPER,NULL,parsed,NULL,G_SPAWN_SEARCH_PATH,NULL,NULL,NULL,2000,NULL,NULL,NULL);
    vte_terminal_set_size(VTE_TERMINAL(terminal),10,15);
    if(endwork_function)
        g_signal_connect(G_OBJECT(terminal), "child-exited", G_CALLBACK(endwork_function), endwork_function_argument);
        vte_terminal_set_scrollback_lines(VTE_TERMINAL(terminal), -1);
        vte_terminal_set_scroll_on_output(VTE_TERMINAL(terminal), TRUE);
        vte_terminal_set_scroll_on_keystroke(VTE_TERMINAL(terminal), TRUE);
        gtk_widget_show_all(terminal);
    }

void yon_terminal_integrated_start(GtkWidget *terminal, char* command){
    gchar *envv[] = { NULL }; 
    config_str parsed=NULL;
    int size=0;
    g_shell_parse_argv(command, &size,&parsed, NULL);
    vte_terminal_spawn_async(VTE_TERMINAL(terminal),VTE_PTY_NO_HELPER,"/bin",parsed,envv,G_SPAWN_SEARCH_PATH,NULL,NULL,NULL,20,NULL,NULL,NULL);
    vte_terminal_set_size(VTE_TERMINAL(terminal),10,15);
        vte_terminal_set_scrollback_lines(VTE_TERMINAL(terminal), -1);
        vte_terminal_set_scroll_on_output(VTE_TERMINAL(terminal), TRUE);
        vte_terminal_set_scroll_on_keystroke(VTE_TERMINAL(terminal), TRUE);
        gtk_widget_show_all(terminal);
    }

void yon_terminal_integrated_start_shell(GtkWidget *terminal, char* command, void *endwork_function, void* endwork_function_argument){
    char **commands=new_arr(char*,2);
    gchar **envp = g_get_environ();
    commands[0]=(gchar *)g_strdup(g_environ_getenv(envp, "SHELL"));
    commands[1]=NULL;
    char **env=new_arr(char*,2);
    env[0]="";
    env[1]=NULL;
    vte_terminal_set_size(VTE_TERMINAL(terminal),10,15);
    VtePty *pty = vte_pty_new_sync(VTE_PTY_DEFAULT,NULL,NULL);
    vte_terminal_set_pty(VTE_TERMINAL(terminal),pty);
    char *install_command=yon_char_unite("clear;tput cup 0 0 && tput ed && ",command,"  ; stty -echo; unset PS1;exit 0","\n",NULL); 
    if(endwork_function)
        g_signal_connect(G_OBJECT(terminal), "child-exited", G_CALLBACK(endwork_function), endwork_function_argument);
     vte_terminal_spawn_async(VTE_TERMINAL(terminal),
        VTE_PTY_DEFAULT,
        NULL,   
        commands,   
        NULL,  
        0,      
        NULL, NULL,
        NULL,   
        -1, 
        NULL, 
        child_ready,    
        install_command); 
    vte_pty_spawn_async(pty,
        NULL,        
        commands,      
        NULL,         
        0,            
        NULL, NULL,   
        NULL,         
        -1,           
        NULL,         
        NULL,           
        NULL);        
        vte_terminal_set_scrollback_lines(VTE_TERMINAL(terminal), -1);
        vte_terminal_set_scroll_on_output(VTE_TERMINAL(terminal), TRUE);
        vte_terminal_set_scroll_on_keystroke(VTE_TERMINAL(terminal), TRUE);
        gtk_widget_show_all(terminal);
    }


    void __on_yon_terminal_done(GtkWidget *, int state, GtkWidget *status_box){
        if (state) yon_ubl_status_box_spawn_infinite(GTK_CONTAINER(status_box),"terminal_done","",BACKGROUND_IMAGE_SUCCESS_TYPE);
        else yon_ubl_status_box_spawn_infinite(GTK_CONTAINER(status_box),"terminal_done","",BACKGROUND_IMAGE_FAIL_TYPE);
    }

    void yon_terminal_window_launch(GtkWindow *parent_window, char *command){
        GtkWidget *window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
        GtkWidget *header = gtk_header_bar_new();
        GtkWidget *terminal = vte_terminal_new();
        GtkWidget *status_box = gtk_box_new(GTK_ORIENTATION_VERTICAL,5);
        GtkWidget *box = gtk_box_new(GTK_ORIENTATION_VERTICAL,5);
        GtkWidget *terminal_box = gtk_box_new(GTK_ORIENTATION_HORIZONTAL,5);
        GtkWidget *scroll = gtk_scrollbar_new(GTK_ORIENTATION_VERTICAL,gtk_scrollable_get_vadjustment(GTK_SCROLLABLE(terminal)));

        gtk_window_set_titlebar(GTK_WINDOW(window),header);
        gtk_container_add(GTK_CONTAINER(window),box);
        gtk_box_pack_start(GTK_BOX(box),status_box,0,0,0);
        gtk_box_pack_start(GTK_BOX(box),terminal_box,1,1,0);
        gtk_box_pack_start(GTK_BOX(terminal_box),terminal,1,1,0);
        gtk_box_pack_start(GTK_BOX(terminal_box),scroll,0,0,0);
        gtk_widget_set_margin_bottom(terminal_box,5);
        gtk_widget_set_margin_start(terminal_box,5);
        gtk_widget_set_margin_end(terminal_box,5);
        gtk_widget_show_all(window);

        vte_terminal_set_scrollback_lines(VTE_TERMINAL(terminal),-1);
        
        gtk_window_set_modal(GTK_WINDOW(window),1);
        gtk_header_bar_set_show_close_button(GTK_HEADER_BAR(header),1);
        gtk_window_set_title(GTK_WINDOW(window),gtk_window_get_title(parent_window));
        gtk_window_set_icon_name(GTK_WINDOW(window),gtk_window_get_icon_name(parent_window));
            g_signal_connect(G_OBJECT(terminal), "child-exited", G_CALLBACK(__on_yon_terminal_done), status_box);
        yon_terminal_integrated_start(terminal,command);
    }

    void yon_gtk_set_scroll(GtkWidget* self,GdkEventScroll *event, GtkAdjustment *adjustment){
        if (self){};
        gdouble val = gtk_adjustment_get_value(adjustment);
        gdouble lower = gtk_adjustment_get_lower(adjustment);
        gdouble upper = gtk_adjustment_get_upper(adjustment);
        switch (event->direction){
            case GDK_SCROLL_DOWN:
                val+=2;
                if (val>upper) val=upper;
                break;
            case GDK_SCROLL_UP:
                val-=2;
                if (val<lower) val=lower;
                break;
            default:
        }
        gtk_adjustment_set_value(adjustment,val);
    }

    void yon_gtk_widget_set_scroll_window_for_scroll(GtkWidget *target, GtkScrollbar *scroll){
        GtkAdjustment *adjustment = gtk_range_get_adjustment(GTK_RANGE(scroll));
        g_signal_connect(G_OBJECT(target),"scroll-event",G_CALLBACK(yon_gtk_set_scroll),adjustment);
    }