#include "../archy_dwm.h"
#include "../util.h"

void
centeredmaster(Monitor *m) {
    unsigned int i, n, h, mw, mx, my, oty, ety, tw;
    Client *c;

    /* count number of clients in the selected monitor */
    for (n = 0, c = nexttiled(m->clients); c; c = nexttiled(c->next), n++);
    if (n == 0)
        return;

    /* initialize areas */
    mw = m->ww;
    mx = 0;
    my = 0;
    tw = mw;

    if (n > m->nmaster) {
        /* go mfact box in the center if more than nmaster clients */
        mw = m->nmaster ? m->ww * m->mfact : 0;
        tw = m->ww - mw;

        if (n - m->nmaster > 1) {
            /* only one client */
            mx = (m->ww - mw) / 2;
            tw = (m->ww - mw) / 2;
        }
    }

    oty = 0;
    ety = 0;
    for (i = 0, c = nexttiled(m->clients); c; c = nexttiled(c->next), i++)
        if (i < m->nmaster) {
            /* nmaster clients are stacked vertically, in the center
             * of the screen */
            h = (m->wh - my) / (MIN(n, m->nmaster) - i);
            resize(c, m->wx + mx, m->wy + my, mw - (2 * c->bw),
                   h - (2 * c->bw), 0);
            my += HEIGHT(c);
        } else {
            /* stack clients are stacked vertically */
            if ((i - m->nmaster) % 2) {
                h = (m->wh - ety) / ((1 + n - i) / 2);
                resize(c, m->wx, m->wy + ety, tw - (2 * c->bw),
                       h - (2 * c->bw), 0);
                ety += HEIGHT(c);
            } else {
                h = (m->wh - oty) / ((1 + n - i) / 2);
                resize(c, m->wx + mx + mw, m->wy + oty,
                       tw - (2 * c->bw), h - (2 * c->bw), 0);
                oty += HEIGHT(c);
            }
        }
}

void
centeredfloatingmaster(Monitor *m) {
    unsigned int i, n, w, mh, mw, mx, mxo, my, myo, tx;
    Client *c;

    /* count number of clients in the selected monitor */
    for (n = 0, c = nexttiled(m->clients); c; c = nexttiled(c->next), n++);
    if (n == 0)
        return;

    /* initialize nmaster area */
    if (n > m->nmaster) {
        /* go mfact box in the center if more than nmaster clients */
        if (m->ww > m->wh) {
            mw = m->nmaster ? m->ww * m->mfact : 0;
            mh = m->nmaster ? m->wh * 0.9 : 0;
        } else {
            mh = m->nmaster ? m->wh * m->mfact : 0;
            mw = m->nmaster ? m->ww * 0.9 : 0;
        }
        mx = mxo = (m->ww - mw) / 2;
        my = myo = (m->wh - mh) / 2;
    } else {
        /* go fullscreen if all clients are in the master area */
        mh = m->wh;
        mw = m->ww;
        mx = mxo = 0;
        my = myo = 0;
    }

    for (i = tx = 0, c = nexttiled(m->clients); c; c = nexttiled(c->next), i++)
        if (i < m->nmaster) {
            /* nmaster clients are stacked horizontally, in the center
             * of the screen */
            w = (mw + mxo - mx) / (MIN(n, m->nmaster) - i);
            resize(c, m->wx + mx, m->wy + my, w - (2 * c->bw),
                   mh - (2 * c->bw), 0);
            mx += WIDTH(c);
        } else {
            /* stack clients are stacked horizontally */
            w = (m->ww - tx) / (n - i);
            resize(c, m->wx + tx, m->wy, w - (2 * c->bw),
                   m->wh - (2 * c->bw), 0);
            tx += WIDTH(c);
        }
}