<!doctype html>
<html>
    <head>
        <meta charset="utf-8">
        <meta name="viewport" content="width=device-width, initial-scale=1">
        <link rel="icon" href="data:;base64,iVBORw0KGgo=">
        <title>Mail4one Web config</title>
        <script type="application/json" id="m41config">
            {
              "matches": [
                {
                  "name": "mydomain",
                  "addr_rexs": [
                    ".*@mydomain.com",
                    ".*@m.mydomain.com"
                  ]
                },
                {
                  "name": "personal",
                  "addrs": [
                    "first.last@mydomain.com",
                    "secret.name@mydomain.com"
                  ]
                }
              ],
              "boxes": [
                {
                  "name": "spam",
                  "rules": [
                    {
                      "match_name": "mydomain",
                      "negate": true,
                      "stop_check": true
                    }
                  ]
                },
                {
                  "name": "important",
                  "rules": [
                    {
                      "match_name": "personal"
                    }
                  ]
                },
                {
                  "name": "all",
                  "rules": [
                    {
                      "match_name": "default_match_all"
                    }
                  ]
                }
              ],
              "users": [
                {
                  "username": "mymobile",
                  "password_hash": "AFTY5EVN7AX47ZL7UMH3BETYWFBTAV3XHR73CEFAJBPN2NIHPWDZHV2UQSMSPHSQQ2A2BFQBNC77VL7F2UKATQNJZGYLCSU6C43UQDAQXWXSWNGAEPGIMG2F3QDKBXL3MRHY6K2BPID64ZR6LABLPVSF",
                  "mbox": "important"
                },
                {
                  "username": "mydesk",
                  "password_hash": "AFTY5EVN7AX47ZL7UMH3BETYWFBTAV3XHR73CEFAJBPN2NIHPWDZHV2UQSMSPHSQQ2A2BFQBNC77VL7F2UKATQNJZGYLCSU6C43UQDAQXWXSWNGAEPGIMG2F3QDKBXL3MRHY6K2BPID64ZR6LABLPVSF",
                  "mbox": "all"
                }
              ]
            }
        </script>
        <style>
            .outer {
                display: flex;
                justify-content: center;
                background: grey;
            }
            .inner {
                border: 1px solid;
                background: white;
                padding: 5px;
                // flex: 1 0 0;
                // max-width: 700px;
            }
            .m41-box {
                display: grid;
                grid-template-columns: 1fr 3fr;
                margin: 10px;
                // background-color: lightblue;
            }
            #web-cfg-boxes {
                // display: grid;
                // grid-template-columns: 1fr ;
                width: 100%;
                //justify-content: space-around;
                // justify-content: flex-start;
                // background-color: blue;
            }

            .m41-box:nth-of-type(odd) {
                background: lightblue;
            }

            .m41-box:nth-of-type(even) {
                background: lightgrey;
            }

            .m41-box-info {
                display: grid;
                grid-template-columns: 4fr 2fr 5fr;
                // align-items: stretch;
                // justify-content: space-around;
                // background-color: grey;
            }
            .button-group {
                display: flex;
                justify-content: center;
                // grid-template-columns: 1fr 1fr 1fr;
                // align-items: stretch;
                // display: inline-flex;
            }

            .m41-box-rule:only-child div.button-group button{
                // display: none;
                visibility: hidden;
            }

            .m41-box:only-child div div.button-group button{
                // display: none;
                visibility: hidden;
            }

            .m41-box-rule {
                display: flex;
                // grid-template-columns: 1fr 3fr 1fr 1fr;
                align-items: center;
                justify-items: center;
                // background-color: lightblue;
            }
            
        </style>
        <script type="application/javascript">
            "use strict"

            // Globals
            let matches_table
            let match_row_template
            let config
            let boxes_ul
            let box_template
            let rule_template

            function initGlobals() {

                matches_table = document.getElementById("web-cfg-matches")
                match_row_template = document.getElementById("web-cfg-matches-row")
                config = JSON.parse(document.getElementById('m41config').text)
                boxes_ul = document.getElementById("web-cfg-boxes")
                box_template = document.getElementById("web-cfg-boxes-li")
                rule_template = document.getElementById("web-cfg-boxes-rule-li")
            }

            function populate_match_table(matches_config) {

                for (const { name: match_name, addrs, addr_rexs } of matches_config) {

                    const [match_type, match_values] = (() => {

                        if (addrs != undefined) {
                            return ["addrs", addrs]
                        } else {
                            return ["addr_rexs", addr_rexs]
                        }
                    })()


                    addMatchRow()
                    const last_row = matches_table.tBodies[0].lastElementChild
                    const [ ,name_cell, {firstElementChild: type_select}, value_cell ] = last_row.cells

                    name_cell.innerText = match_name
                    type_select.value = match_type
                    value_cell.innerText = match_values.join("\n")
                }
            }

            function extract_match_table() {

                let matches = []
                for (let row of matches_table.tBodies[0].rows) {

                    const [ ,name_cell, {firstElementChild: type_select}, value_cell ] = row.cells
                    let m = {"name" : name_cell.innerText}
                    switch (type_select.value) {
                        case "addrs":
                            m["addrs"] = value_cell.innerText.split("\n")
                            break
                        case "addr_rexs":
                            m["addr_rexs"] = value_cell.innerText.split("\n")
                            break
                    }
                    matches.push(m)
                }
                return matches
            }

            function addMatchRow() {

                let row_clone = match_row_template.content.cloneNode(true)
                matches_table.tBodies[0].appendChild(row_clone)
            }

            function populate_boxes_list(boxes_config) {
                for (const {name:box_name, rules} of boxes_config) {
                    addBox()
                    const box = boxes_ul.lastElementChild
                    const [{children: [,, header]}, rule_list ] = box.children
                    header.innerText = box_name
                    for (const {match_name, negate = false, stop_check = false} of rules ) {
                        addRule(rule_list)
                        const rule = rule_list.lastElementChild
                        const [, 
                            {firstElementChild: match_select}, 
                            {firstElementChild: negateCheck}, 
                            {firstElementChild: stopCheck} 
                        ] = rule.children
                        negateCheck.checked = negate
                        stopCheck.checked = stop_check
                    }
                }
            }

            function addBox() {
                let box_clone = box_template.content.cloneNode(true)
                boxes_ul.appendChild(box_clone)
            }

            function addRule(rules_list) {
                let rule_clone = rule_template.content.cloneNode(true)
                rules_list.appendChild(rule_clone)
            }

            function moveUp(button) {
                const li = button.parentElement.parentElement.parentElement
                if (li.previousElementSibling != null) {
                    li.parentNode.insertBefore(li, li.previousElementSibling)
                }
            }

            function moveDown(button) {
                const li = button.parentElement.parentElement.parentElement
                if (li.nextElementSibling != null) {
                    li.parentNode.insertBefore(li.nextElementSibling, li)
                }
            }

            function main() {

                initGlobals()
                populate_match_table(config["matches"])
                save()
                document.getElementById("before").innerText = JSON.stringify(config["matches"], null, 2)
                populate_boxes_list(config["boxes"])
            }

            function save() {

                const matches = extract_match_table() 
                document.getElementById("after").innerText = JSON.stringify(matches, null, 2)
            }

        </script>
    </head>
    <body onload="main()">
        <template id="web-cfg-matches-row">
            <tr>
                <td><button onClick="this.parentElement.parentElement.remove()">✗</button></td>
                <td contentEditable></td>
                <td>
                    <select>
                        <option value="addrs">List of addresses</option>
                        <option value="addr_rexs">List of regexes for addresses</option>
                    </select>
                </td>
                <td contentEditable></td>
            </tr>
        </template>
        <template id="web-cfg-boxes-rule-li">
            <div class="m41-box-rule">
                <div class="button-group">
                    <button onClick="this.parentElement.parentElement.remove()">✗</button>
                    <button onClick="moveUp(this)">↑</button>
                    <button onClick="moveDown(this)">↓</button>
                </div>
                <label>
                    Match Name
                    <select></select>
                </label>
                <label>
                    Negate
                    <input type=checkbox>
                </label>
                <label>
                    Stop check
                    <input type=checkbox>
                </label>
            </div>
        </template>
        <template id="web-cfg-boxes-li">
            <div class="m41-box">
                <div class="m41-box-info">
                    <div class="button-group">
                        <button onClick="this.parentElement.parentElement.parentElement.remove()">✗</button>
                        <button onClick="moveUp(this)">↑</button>
                        <button onClick="moveDown(this)">↓</button>
                    </div>
                    <button onClick="addRule(this.parentElement.nextElementSibling)">+</button>
                    <span></span>
                </div>
                <div class="m41-box-rules">
                </div>
            </div>
        </template>
        <div class="outer">
            <div class="inner">
        <h1>Mail4one Web config</h1>
        <table border id="web-cfg-matches">
            <thead>
                <tr>
                    <th></th>
                    <th>Name</th>
                    <th>Type</th>
                    <th>Values</th>
                </tr>
            </thead>
            <tbody>
            </tbody>
        </table>
        <div>
            <button onClick="addMatchRow()">Add Match</button>
            <button onClick="save()">Save</button>
        </div>
        <h3>Boxes <button onClick="addBox()">+</button></h3>
        <div id="web-cfg-boxes">
        </div>
        <hr>
        <h3>Before</h3>
        <pre id="before"></pre>
        <hr>
        <h3>After</h3>
        <pre id="after"></pre>
        <hr>
            </div>
        </div>
    </body>
</html>