#include <stdio.h>
#include "config.h"
#include "library.h"
#include "luigi.h"
#include "memory.h"

Library lib;

int libtab_msg(
	UIElement *el,
	UIMessage msg,
	int di,
	void *dp
) {
	if (msg == UI_MSG_TABLE_GET_ITEM) {
		UITableGetItem *m = (UITableGetItem*)dp;
		Song* song;
		song = &lib.songs[lib.indices[m->index]];
		m->isSelected = 0;
		switch (m->column) {
			case 0:
				return snprintf(
					m->buffer,
					m->bufferBytes,
					"%s",
					song->name
				);
			case 1:
				return snprintf(
					m->buffer,
					m->bufferBytes,
					"%s",
					song->artist
				);
			case 2:
				return snprintf(
					m->buffer,
					m->bufferBytes,
					"%s",
					song->album
				);
			case 3:
				return snprintf(
					m->buffer,
					m->bufferBytes,
					"%s",
					song->path
				);
			default: return 0;
		}
	}
	return 0;
}

int prog_main(void* mem) {
	Arena liba;
	UIWindow* wi;
	UISplitPane* split1, * split2, * split3;
	UIPanel* plib, * pctrl, * plist, * pqueue;
	UITable* libtab;
	memory_init(mem);
	init_arena(
		&liba,
		galloc(library_memory_size),
		library_memory_size
	);
	build_library(&liba, &lib, library_path);
	UIInitialise();
	wi = UIWindowCreate(
		0,
		0,
		app_name,
		default_window_w,
		default_window_h
	);
	split1 = UISplitPaneCreate(
		&wi->e,
		0,
		0.3f
	);
	split3 = UISplitPaneCreate(
		&split1->e,
		UI_SPLIT_PANE_VERTICAL,
		0.5f
	);

	split2 = UISplitPaneCreate(
		&split1->e,
		0,
		0.5f
	);
	pctrl  = UIPanelCreate(&split3->e, UI_PANEL_GRAY);
	pctrl->gap = 5;
	pctrl->border = UI_RECT_1(5);
	
	pqueue = UIPanelCreate(&split3->e, UI_PANEL_GRAY);
	pqueue->gap = 5;
	pqueue->border = UI_RECT_1(5);
	UILabelCreate(
		&pqueue->e,
		0,
		"Queue",
		5
	);

	plist  = UIPanelCreate(&split2->e, UI_PANEL_GRAY);
	plist->gap = 5;
	plist->border = UI_RECT_1(5);
	UILabelCreate(
		&plist->e,
		0,
		"Playlist",
		8
	);
	plib   = UIPanelCreate(&split2->e, UI_PANEL_GRAY);
	plib->gap = 5;
	plib->border = UI_RECT_1(5);
	UILabelCreate(
		&plib->e,
		0,
		"Library",
		7
	);
	libtab = UITableCreate(
		&plib->e,
		UI_ELEMENT_H_FILL | UI_ELEMENT_V_FILL,
		"Track\tArtist\tAlbum\tFilename"
	);
	libtab->itemCount = lib.cnt;
	libtab->e.messageUser = libtab_msg;
	UITableResizeColumns(libtab);

	return UIMessageLoop();
}