"""TEMPLATE figures for a DWG sheet: a generic wall-plate sign bracket in three views.
Drafting conventions: ink linework, centrelines in Dark Gold (long-dash-dot), hidden lines dashed,
dimensions in mm (JetBrains Mono), schedule tags as gold bubbles. One mm = SCALE px."""
from mpmdoc.figkit import T, svg_open, dim_h, dim_v, tag, INK, KICK, MUTE, CREAM

S = 0.9                          # px per mm in these views
PLATE_W, PLATE_H, T_PL = 200, 300, 10
HOLE_X, HOLE_Y, HOLE_D = 150, 250, 14
ARM_L, ARM_H = 400, 60


def _cl(x1, y1, x2, y2):
    return f'<line x1="{x1}" y1="{y1}" x2="{x2}" y2="{y2}" stroke="{KICK}" stroke-width=".8" stroke-dasharray="14 3 2 3"/>'


def elevation():
    """Front view of the wall plate with the four anchor holes."""
    W, H = 360, 420
    ox, oy = 80, 50
    pw, ph = PLATE_W * S, PLATE_H * S
    o = [svg_open(W, H, grid=True)]
    o.append(f'<rect x="{ox}" y="{oy}" width="{pw}" height="{ph}" fill="{CREAM}" stroke="{INK}" stroke-width="1.4"/>')
    cx, cy = ox + pw / 2, oy + ph / 2
    for dx in (-HOLE_X / 2, HOLE_X / 2):
        for dy in (-HOLE_Y / 2, HOLE_Y / 2):
            o.append(f'<circle cx="{cx + dx * S}" cy="{cy + dy * S}" r="{HOLE_D / 2 * S}" fill="#fff" stroke="{INK}" stroke-width="1.1"/>')
    o.append(_cl(cx, oy - 14, cx, oy + ph + 14) + _cl(ox - 14, cy, ox + pw + 14, cy))
    o.append(f'<rect x="{cx - ARM_H / 2 * S}" y="{cy - ARM_H / 2 * S}" width="{ARM_H * S}" height="{ARM_H * S}" fill="none" stroke="{INK}" stroke-width="1" stroke-dasharray="4 3"/>')
    o.append(dim_h(ox, ox + pw, oy + ph + 34, f"{PLATE_W}", ext_from=oy + ph))
    o.append(dim_h(cx - HOLE_X / 2 * S, cx + HOLE_X / 2 * S, oy - 22, f"{HOLE_X}", ext_from=oy + (PLATE_H - HOLE_Y) / 2 * S))
    o.append(dim_v(ox - 30, oy, oy + ph, f"{PLATE_H}", ext_from=ox))
    o.append(dim_v(ox + pw + 30, cy - HOLE_Y / 2 * S, cy + HOLE_Y / 2 * S, f"{HOLE_Y}", ext_from=cx + HOLE_X / 2 * S))
    o.append(tag(ox + pw + 52, oy + 18, "B-1"))
    o.append(T(ox + pw - 4, oy + ph - 8, f"4× Ø{HOLE_D} THRU", size=7.5, w=700, anchor="end", ls=.6))
    o.append("</svg>")
    return "".join(o)


def section():
    """Side section: plate, arm and sign hanging point."""
    W, H = 640, 420
    ox, oy = 70, 50
    ph = PLATE_H * S
    o = [svg_open(W, H, grid=True)]
    o.append(f'<rect x="{ox - 18}" y="{oy - 30}" width="18" height="{ph + 60}" fill="url(#fh)" stroke="{INK}" stroke-width="1"/>')
    o.append(T(ox - 26, oy - 36, "WALL / POST", size=7, w=700, fill=MUTE, ls=1))
    o.append(f'<rect x="{ox}" y="{oy}" width="{T_PL * S}" height="{ph}" fill="{CREAM}" stroke="{INK}" stroke-width="1.4"/>')
    ay = oy + ph / 2 - ARM_H / 2 * S
    o.append(f'<rect x="{ox + T_PL * S}" y="{ay}" width="{ARM_L * S}" height="{ARM_H * S}" fill="#fff" stroke="{INK}" stroke-width="1.4"/>')
    ex = ox + T_PL * S + ARM_L * S
    o.append(f'<line x1="{ex - 30}" y1="{ay + ARM_H * S}" x2="{ex - 30}" y2="{ay + ARM_H * S + 60}" stroke="{INK}" stroke-width="1.2"/>')
    o.append(f'<rect x="{ex - 130}" y="{ay + ARM_H * S + 60}" width="200" height="70" rx="3" fill="{INK}"/>')
    o.append(T(ex - 30, ay + ARM_H * S + 100, "SIGN (BY OTHERS)", size=7.5, w=700, fill="#fff", anchor="middle", ls=1))
    o.append(_cl(ox - 30, oy + ph / 2, ex + 30, oy + ph / 2))
    o.append(dim_h(ox, ex, oy - 16, f"{T_PL + ARM_L}", ext_from=ay))
    o.append(dim_v(ex + 26, ay, ay + ARM_H * S, f"{ARM_H}", ext_from=ex))
    o.append(tag(ox + 40, ay - 16, "A-1") + tag(ox + 4, oy + ph + 16, "B-1"))
    o.append("</svg>")
    return "".join(o)


def detail():
    """Detail: anchor at the plate, enlarged."""
    W, H = 300, 220
    o = [svg_open(W, H, grid=True)]
    o.append(f'<rect x="40" y="30" width="40" height="160" fill="url(#fh)" stroke="{INK}"/>')
    o.append(f'<rect x="80" y="40" width="22" height="140" fill="{CREAM}" stroke="{INK}" stroke-width="1.3"/>')
    o.append(f'<rect x="20" y="102" width="150" height="16" fill="#fff" stroke="{INK}" stroke-width="1.1"/>')
    o.append(f'<rect x="102" y="92" width="8" height="36" fill="{CREAM}" stroke="{INK}"/>')
    o.append(f'<polygon points="110,96 126,96 126,124 110,124" fill="#fff" stroke="{INK}"/>')
    o.append(_cl(10, 110, 190, 110))
    o.append(tag(150, 70, "F-1") + f'<line x1="142" y1="76" x2="122" y2="98" stroke="{INK}" stroke-width=".7"/>')
    o.append(T(150, 200, "M12 ANCHOR · SEE SCHEDULE", size=7, w=700, anchor="middle", fill=MUTE, ls=.8))
    o.append("</svg>")
    return "".join(o)


FIGS = {"elevation": elevation, "section": section, "detail": detail}