jr: delete key works

jrx/src/b_lib.ts

@@ -71,6 +71,7 @@ export {
     p_generate_keypair,
     p_get_unique_name,
     p_activate_key,
+    p_delete_key,
     // background script api
     b_main
 };
@@ -178,7 +179,7 @@ p_activate_key
     (name: string)
     : Promise<void>
 {
-    console.log('b_lib p_activate_key');
+    console.log('b_lib p_activate_key', {name: name});
 
     return await browser.runtime.sendMessage({frum: 'popup',
                                               data: {method : 'p_activate_key',
@@ -186,6 +187,22 @@ p_activate_key
 }
 
 
+/**
+ * Delete given key
+ */
+async function
+p_delete_key
+    (name: string)
+    : Promise<void>
+{
+    console.log('b_lib p_delete_key', {name: name});
+
+    return await browser.runtime.sendMessage({frum: 'popup',
+                                              data: {method : 'p_delete_key',
+                                                     args   : {name: name}}}) as void;
+}
+
+
 //=============================================================================
 //=============================================================================
 // API: BACKGROUND SCRIPT
@@ -919,6 +936,7 @@ type bi_popup_calldata
     | bi_pc_p_generate_keypair
     | bi_pc_p_get_unique_name
     | bi_pc_p_activate_key
+    | bi_pc_p_delete_key
     ;
 
 type bi_pc_p_get_data
@@ -937,6 +955,11 @@ type bi_pc_p_activate_key
     = {method : 'p_activate_key',
        args   : {name: string}};
 
+type bi_pc_p_delete_key
+    = {method : 'p_delete_key',
+       args   : {name: string}};
+
+
 type bi_popup_return_data
     = p_data
     | void
@@ -967,6 +990,8 @@ bi_msg_handler_popup
             return await bi_p_get_unique_name(msg.args);
         case 'p_activate_key':
             return await bi_p_activate_key(msg.args);
+        case 'p_delete_key':
+            return await bi_p_delete_key(msg.args);
         default:
             throw new Error('unsupported popup call method');
     }
@@ -1124,6 +1149,51 @@ bi_p_activate_key
 }
 
 
+async function
+bi_p_delete_key
+    (args: {name: string})
+    : Promise<void>
+{
+    console.log('b_lib bi_p_delete_key ' + args.name);
+
+    // get state
+    let istate : bi_state = await bi_get_state();
+
+    // find key with name
+    // type bi_rich_keypair
+    //     = {nacl_keypair : bi_nacl_keypair,
+    //        name         : string,
+    //        active       : boolean};
+    // type bi_state
+    //     = {rich_keypairs: Array<bi_rich_keypair>};
+    let new_rich_keypairs   : Array<bi_rich_keypair> = [];
+    let deleting_active_key : boolean                = false;
+    for (let this_irkp of istate.rich_keypairs) {
+        // if this is the name, don't push
+        if (args.name === this_irkp.name) {
+            deleting_active_key = this_irkp.active;
+            continue;
+        }
+        else
+            new_rich_keypairs.push(this_irkp);
+    }
+
+    // if the result is that no keys are active
+    // two cases:
+    // 1. no keys left, in which case do nothing
+    // 2. at least one key left, in which case, make the first one active
+    // cannot have a situation where there are keys and no key is active
+    if (deleting_active_key && !(0 === new_rich_keypairs.length)) {
+        // grab first keypair and set it to active
+        new_rich_keypairs[0].active = true;
+    }
+
+    let new_state : bi_state = {rich_keypairs: new_rich_keypairs};
+    await bi_set_state(new_state);
+}
+
+
+
 
 
 //=============================================================================