<!DOCTYPE html>
<html lang="en">
    <head>
        <title>Protoserve</title>
        <link rel="stylesheet" type="text/css" href="{{url_for('static', filename='pure-min.css')}}">
        <link rel="icon" type="image/png" href="{{url_for('static', filename='favicon-512.png')}}">
        <link rel="apple-touch-icon" href="{{url_for('static', filename='favicon-512.png')}}">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
<style>
:root {
    --u-display-metric: default;
    --u-display-us: none;
}

html, body {
    margin: 0;
    width: 100%;
    height: 100%;
}

body {
    display: grid;
    grid-template-columns: clamp(200px, 500px, 50vw) 1fr;
    grid-template-rows: 1fr 0fr;
    grid-template-areas: "controls main"
                         "links main";

}

#controls {
    grid-area: controls;
    user-select: none;
    display: grid;
    grid-template-columns: 10fr 1fr 1fr;
    align-content: start;
    overflow-y: scroll;
}

label {
    grid-column-start: 1;
    grid-column-end: span 3;
    display: grid;
    grid-template-columns: subgrid;
    text-align: right;
}

input[type="checkbox"] {
    justify-self: start;
}

input {
    align-self: start;
}

.group > h4, .group > h5 {
    text-align: center;
    margin: 5px;
    grid-column-start: 1;
    grid-column-end: span 3;
}

.expand > :first-child {
    grid-column-start: 1;
    grid-column-end: span 3;
}

.group, .field, .expand {
    grid-column-start: 1;
    grid-column-end: span 3;
    display: grid;
    grid-template-columns: subgrid;
    align-content: start;
}

.group {
    background-color: hsl(.0turn 50% 10% / 4%);
    padding: 10px;
    border-radius: 10px;
    box-shadow: 0 0 8px 0px hsl(0 0% 0% / 20%);
    margin: 10px 0 10px 0;
}

.expand > .field:first-child {
    display: grid;
    grid-template-columns: 1fr 100fr 1fr;
    align-items: center;
    text-align: left;
    width: 100%;
    position: relative;
}

.group > .content {
    grid-column-start: 1;
    grid-column-end: span 3;
    display: flex;
    flex-direction: column;
    text-align: center;
}

.group > div > .proportion {
    display: none;
}

.proportional > div > .proportion {
    display: grid;
}

.split-sides .double-sided-only {
    display: none;
}

.split-sides > .placeholder .area-controls {
    display: none;
}

.board > .placeholder > .area-controls {
    display: none;
}

.area-controls .area-move {
    display: none;
}

.area-controls .area-move::before {
    content: "/";
    padding: 0 5px 0 5px;
}

.group.proportional > .group > .area-controls .area-move {
    display: block;
}

.content.area-controls {
    flex-direction: row;
    justify-content: center;
}

.field > input, .field > select { max-width: 5em;
    text-align: right;
    margin: 0 5px 0 5px;
}

.group.expand {
    border-radius: 0;
}

.expand > :first-child {
    font-weight: bold;
}

.expand.collapsed > :nth-child(n+2) {
    display: none;
}

.unit.metric {
    display: var(--u-display-metric);
}

.unit.us {
    display: var(--u-display-us);
}

#preview {
    grid-area: main;
}

#links {
    grid-area: links;
}

.layout-area {
    grid-column-start: 1;
    grid-column-end: span 3;
}

.drop-target {
    grid-column-start: 1;
    grid-column-end: span 3;
    text-align: center;
    display: none;
}

.group.drop-enabled > .drop-target {
    display: block;
}

.placeholder hr {
    width: 3em;
    border: none;
    border-top: 1px solid hsl(0 0% 60%);
}

#controls.move-in-progress input {
    background-color: hsl(0 0% 85%);
}

#controls.move-in-progress {
    color: hsl(0 0% 60%);
}

</style>
    </head>
    <body>
        <div id="controls">
            <div class="group board">
                <h4>Board settings</h4>
                <label id="g-board-units">Units
                    <select value="metric">
                        <option value="metric">Metric</option>
                        <option value="us">US Customary</option>
                    </select>
                </label>

                <label id="g-board-w">Board width
                    <input id="input-board-w" type="text" placeholder="width" value="100">
                    <span class="unit metric">mm</span>
                    <span class="unit us">inch</span>
                </label>

                <label id="g-board-h">Board height
                    <input id="input-board-h" type="text" placeholder="height" value="80">
                    <span class="unit metric">mm</span>
                    <span class="unit us">inch</span>
                </label>

                <div class="group expand">
                    <label id="g-round-corners">Round corners
                        <input type="checkbox" checked>
                    </label>

                    <label id="g-board-corner-radius">Radius
                        <input type="text" placeholder="radius" value="1.5">
                        <span class="unit metric">mm</span> 
                        <span class="unit us">inch</span> 
                    </label>
                </div>

                <div class="group expand">
                    <label>Mounting holes
                        <input type="checkbox" name="has_holes" checked>
                    </label>

                    <label>Diameter
                        <input type="text" placeholder="diameter" name="hole_dia" value="3.2"></input>
                        <span class="unit metric">mm</span> 
                        <span class="unit us">inch</span> 
                    </label>

                    <label>Board edge to hole center (X)
                        <input type="text" placeholder="distance" name="hole_off_x" value="5"></input>
                        <span class="unit metric">mm</span> 
                        <span class="unit us">inch</span> 
                    </label>

                    <label>Board edge to hole center (Y)
                        <input type="text" placeholder="distance" name="hole_off_y" value="5"></input>
                        <span class="unit metric">mm</span> 
                        <span class="unit us">inch</span> 
                    </label>
                </div>

                <h4>Content</h4>
                <div class="group placeholder"></div>
            </div>
        </div>
        <div id="preview">
            <img src="/preview.svg" alt="Automaticallly generated preview image"/>
        </div>
        <div id="links">
            <a href="#controls">Settings</a>
            <a href="#preview">Preview</a>
            <a href='/download'>
                <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512" width="1em">
                    <title>Download</title>
                    <!--! Font Awesome Pro 6.4.0 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license (Commercial License) Copyright 2023 Fonticons, Inc. --><path d="M288 32c0-17.7-14.3-32-32-32s-32 14.3-32 32V274.7l-73.4-73.4c-12.5-12.5-32.8-12.5-45.3 0s-12.5 32.8 0 45.3l128 128c12.5 12.5 32.8 12.5 45.3 0l128-128c12.5-12.5 12.5-32.8 0-45.3s-32.8-12.5-45.3 0L288 274.7V32zM64 352c-35.3 0-64 28.7-64 64v32c0 35.3 28.7 64 64 64H448c35.3 0 64-28.7 64-64V416c0-35.3-28.7-64-64-64H346.5l-45.3 45.3c-25 25-65.5 25-90.5 0L165.5 352H64zm368 56a24 24 0 1 1 0 48 24 24 0 1 1 0-48z"/>
                </svg>
                Gerbers
            </a>
        </div>

        <template id="tpl-drop-target">
            <a class="drop-target" href="#">
                <svg viewBox="0 0 532 532" width="1em" xmlns="http://www.w3.org/2000/svg">
                    <title>Move here</title>
                    <path id="path2" d="m 424.025,300.075 c 17.7,0 32,-14.3 32,-32 0,-17.7 -14.3,-32 -32,-32 h -82.7 l 181.3,-181.4 c 12.5,-12.5 12.5,-32.8 0,-45.3 -12.5,-12.5 -32.8,-12.5 -45.3,0 l -181.3,181.4 v -82.7 c 0,-17.7 -14.3,-32 -32,-32 -17.7,0 -32,14.3 -32,32 v 160 c 0,17.7 14.3,32 32,32 z M 80,52 C 35.8,52 0,87.8 0,132 v 320 c 0,44.2 35.8,80 80,80 h 320 c 44.2,0 80,-35.8 80,-80 v -72 c 0,-17.7 -14.3,-32 -32,-32 -17.7,0 -32,14.3 -32,32 v 72 c 0,8.8 -7.2,16 -16,16 H 80 c -8.8,0 -16,-7.2 -16,-16 V 132 c 0,-8.8 7.2,-16 16,-16 h 72 c 17.7,0 32,-14.3 32,-32 0,-17.7 -14.3,-32 -32,-32 z" />
                </svg>
            </a>
        </template>

        <template id="tpl-g-layout">
            <div class="group proportional">
                <h4>Proportional Layout</h4>
                <span class="content area-controls">(<a href="#" class="area-remove">Remove</a><a href="#" class="area-move">Move</a>)</span>
                <label class="proportion">Proportion
                    <input type="text" name="layout_prop" value="1">
                </label>

                <h5>Layout settings</h4>
                <label>Direction
                    <select name="direction" value="horizontal">
                        <option value="h">horizontal</option>
                        <option value="v">vertical</option>
                    </select>
                </label>

                <h5>Content</h4>
                <div class="drop-target"></div>
                <div class="placeholder"></div>
                <div class="drop-target"></div>
                <div class="placeholder"></div>
                <div class="drop-target"></div>
                <a class="content add-element" href="#">Add element</a>
            </div>
        </template>

        <template id="tpl-g-twoside">
            <div class="group split-sides">
                <h4>Split front and back</h4>
                <span class="content area-controls">(<a href="#" class="area-remove">Remove</a><a href="#" class="area-move">Move</a>)</span>
                <label class="proportion">Proportion
                    <input type="text" name="layout_prop" value="1">
                </label>

                <h5>Front</h5>
                <div class="placeholder"></div>
                <h5>Back</h5>
                <div class="placeholder"></div>
            </div>
        </template> 

        <template id="tpl-g-placeholder">
            <div class="group placeholder">
                <h4>Empty area</h4>
                <span class="content area-controls">(<a href="#" class="area-remove">Remove</a><a href="#" class="area-move">Move</a>)</span>
                <label class="proportion">Proportion
                    <input type="text" name="layout_prop" value="1">
                </label>

                <div class="content">
                    <a href="#" data-placeholder="layout">Create Layout</a>
                    <a href="#" data-placeholder="twoside" class="double-sided-only">Split front and back</a>
                    <hr/>
                    <a href="#" data-placeholder="smd">SMD area</a>
                    <a href="#" data-placeholder="tht" class="double-sided-only">THT area</a>
                    <a href="#" data-placeholder="manhattan">Manhattan area</a>
                    <a href="#" data-placeholder="flower"class="double-sided-only">THT Flower area</a>
                </div>
            </div>
        </template>

        <template id="tpl-g-smd">
            <div class="group smd">
                <h4>SMD area</h4>
                <span class="content area-controls">(<a href="#" class="area-remove">Remove</a><a href="#" class="area-move">Move</a>)</span>
                <label class="proportion">Proportion
                    <input type="text" name="layout_prop" value="1">
                </label>

                <h5>Area Settings</h5>
                <label>Pitch X
                    <input type="text" name="pitch_x" placeholder="length">
                    <span class="unit metric">mm</span>
                    <span class="unit us">mil</span>
                </label>
                <label>Pitch Y
                    <input type="text" name="pitch_y" placeholder="length">
                    <span class="unit metric">mm</span>
                    <span class="unit us">mil</span>
                </label>
                <label>Clearance
                    <input type="text" name="clearance" placeholder="length">
                    <span class="unit metric">mm</span>
                    <span class="unit us">mil</span>
                </label>
                <label>Pad shape
                    <select name="pad_shape" value="rect">
                        <option value="rect">Rectangle</option>
                        <option value="circle">Circle</option>
                        <option value="obround">Obround</option>
                    </select>
                </label>
                <label>Pad width
                    <input type="text" name="pad_w" placeholder="length">
                    <span class="unit metric">mm</span>
                    <span class="unit us">mil</span>
                </label>
                <label>Pad height
                    <input type="text" name="pad_h" placeholder="length">
                    <span class="unit metric">mm</span>
                    <span class="unit us">mil</span>
                </label>
            </div>
        </template>

        <template id="tpl-g-tht">
            <div class="group tht">
                <h4>THT area</h4>
                <span class="content area-controls">(<a href="#" class="area-remove">Remove</a><a href="#" class="area-move">Move</a>)</span>
                <label class="proportion">Proportion
                    <input type="text" name="layout_prop" value="1">
                </label>

                <h5>Area Settings</h5>
                <label>Pitch X
                    <input type="text" name="pitch_x" placeholder="length">
                    <span class="unit metric">mm</span>
                    <span class="unit us">mil</span>
                </label>
                <label>Pitch Y
                    <input type="text" name="pitch_y" placeholder="length">
                    <span class="unit metric">mm</span>
                    <span class="unit us">mil</span>
                </label>
                <label>Clearance
                    <input type="text" name="clearance" placeholder="length">
                    <span class="unit metric">mm</span>
                    <span class="unit us">mil</span>
                </label>
                <label>Pad shape
                    <select name="pad_shape" value="rect">
                        <option value="rect">Rectangle</option>
                        <option value="circle">Circle</option>
                        <option value="obround">Obround</option>
                    </select>
                </label>
                <label>Pad width
                    <input type="text" name="pad_w" placeholder="length">
                    <span class="unit metric">mm</span>
                    <span class="unit us">mil</span>
                </label>
                <label>Pad height
                    <input type="text" name="pad_h" placeholder="length">
                    <span class="unit metric">mm</span>
                    <span class="unit us">mil</span>
                </label>
                <label class="shape-rect">Corner radius
                    <input type="text" name="pad_h" placeholder="length">
                    <span class="unit metric">mm</span>
                    <span class="unit us">mil</span>
                </label>
            </div>
        </template>

        <script>
            document.querySelectorAll('.expand').forEach((elem) => {
                const checkbox = elem.querySelector(':first-child > input');
                checkbox.addEventListener("change", (evt) => {
                    if (evt.currentTarget.checked) {
                        elem.classList.remove('collapsed');
                    } else {
                        elem.classList.add('collapsed');
                    }
                });
                if (checkbox.checked) {
                    elem.classList.remove('collapsed');
                } else {
                    elem.classList.add('collapsed');
                }
            });

            let g_dropElement = null;

            function hookupAreaRemove(node) {
                for (const bt of node.querySelectorAll('a.area-remove')) {
                    bt.addEventListener('click', (evt) => {
                        console.log(evt);
                        let elem = evt.target.closest('.group');
                        if (elem.parentElement && elem.parentElement.matches('.proportional')) {
                            let sibling = elem.previousElementSibling;
                            if (sibling.matches('.drop-target')) {
                                sibling.remove();
                            }
                            elem.remove();
                        } else {
                            elem.replaceWith(createPlaceholder());
                        }
                    });
                }
            }

            function createDropTarget() {
                const node = document.querySelector('#tpl-drop-target').content.cloneNode(true);
                node.querySelector('a').addEventListener('click', (evt) => {
                    if (g_dropElement != null) {
                        const target = evt.target.closest('a');

                        let sibling = g_dropElement.previousElementSibling;
                        if (sibling.matches('.drop-target')) {
                            if (sibling == target) {
                                return;
                            }
                            sibling.remove();
                        }
                        g_dropElement.remove();
                        g_dropElement.querySelector('a.area-move').innerText = "Move";

                        target.before(sibling);
                        target.before(g_dropElement);

                        document.querySelector('#controls').classList.remove('move-in-progress');
                        document.querySelector('.group.drop-enabled').classList.remove('drop-enabled');
                        g_dropElement = null;
                    }
                });
                return node;
            }

            function hookupAreaMove(node) {
                for (const bt of node.querySelectorAll('a.area-move')) {
                    bt.addEventListener('click', (evt) => {
                        const controls = document.querySelector('#controls');
                        const group = evt.target.closest('.group');

                        if (g_dropElement == null) {
                            controls.classList.add('move-in-progress');
                            group.parentElement.classList.add('drop-enabled');
                            g_dropElement = group;
                            evt.target.innerText = "Cancel move";
                        } else {
                            controls.classList.remove('move-in-progress');
                            group.parentElement.classList.remove('drop-enabled');
                            g_dropElement = null;
                            evt.target.innerText = "Move";
                        }
                    });
                }
            }

            function createPlaceholder() {
                const node = document.querySelector('#tpl-g-placeholder').content.cloneNode(true);

                hookupAreaRemove(node);
                hookupAreaMove(node);

                for (const bt of node.querySelectorAll('.placeholder a[data-placeholder]')) {
                    bt.addEventListener('click', (evt) => {
                        const template = document.querySelector(`#tpl-g-${evt.target.getAttribute('data-placeholder')}`);
                        const node = template.content.cloneNode(true);

                        for (const elem of node.querySelectorAll('div.placeholder')) {
                            elem.replaceWith(createPlaceholder());
                        }

                        for (const elem of node.querySelectorAll('div.drop-target')) {
                            elem.replaceWith(createDropTarget());
                        }

                        hookupAreaRemove(node);
                        hookupAreaMove(node);

                        for (const bt of node.querySelectorAll('a.add-element')) {
                            bt.addEventListener('click', (evt) => {
                                evt.target.before(createPlaceholder());
                                evt.target.before(createDropTarget());
                            });
                        }

                        evt.target.closest('.group').replaceWith(node);
                    });
                }

                return node;
            }

            document.querySelector('div.placeholder').replaceWith(createPlaceholder());
        </script>
    </body>
</html>