Fix Assist pipeline defaults (#21796)

* Fix Assist pipeline defaults

* Always set to NONE if nothing

* Rewrite for readability

src/components/ha-conversation-agent-picker.ts

@@ -45,15 +45,35 @@ export class HaConversationAgentPicker extends LitElement {
     if (!this._agents) {
       return nothing;
     }
-    const value =
-      this.value ??
-      (this.required &&
-      (!this.language ||
-        this._agents
-          .find((agent) => agent.id === "homeassistant")
-          ?.supported_languages.includes(this.language))
-        ? "homeassistant"
-        : NONE);
+    let value = this.value;
+    if (!value && this.required) {
+      // Select Home Assistant conversation agent if it supports the language
+      for (const agent of this._agents) {
+        if (
+          agent.id === "conversation.home_assistant" &&
+          agent.supported_languages.includes(this.language!)
+        ) {
+          value = agent.id;
+          break;
+        }
+      }
+      if (!value) {
+        // Select the first agent that supports the language
+        for (const agent of this._agents) {
+          if (
+            agent.supported_languages === "*" &&
+            agent.supported_languages.includes(this.language!)
+          ) {
+            value = agent.id;
+            break;
+          }
+        }
+      }
+    }
+    if (!value) {
+      value = NONE;
+    }
+
     return html`
       <ha-select
         .label=${this.label ||

src/components/ha-stt-picker.ts

@@ -16,6 +16,7 @@ import { HomeAssistant } from "../types";
 import "./ha-list-item";
 import "./ha-select";
 import type { HaSelect } from "./ha-select";
+import { computeDomain } from "../common/entity/compute_domain";
 
 const NONE = "__NONE_OPTION__";
 
@@ -41,13 +42,32 @@ export class HaSTTPicker extends LitElement {
     if (!this._engines) {
       return nothing;
     }
-    const value =
-      this.value ??
-      (this.required
-        ? this._engines.find(
-            (engine) => engine.supported_languages?.length !== 0
-          )
-        : NONE);
+
+    let value = this.value;
+    if (!value && this.required) {
+      for (const entity of Object.values(this.hass.entities)) {
+        if (
+          entity.platform === "cloud" &&
+          computeDomain(entity.entity_id) === "stt"
+        ) {
+          value = entity.entity_id;
+          break;
+        }
+      }
+
+      if (!value) {
+        for (const sttEngine of this._engines) {
+          if (sttEngine?.supported_languages?.length !== 0) {
+            value = sttEngine.engine_id;
+            break;
+          }
+        }
+      }
+    }
+    if (!value) {
+      value = NONE;
+    }
+
     return html`
       <ha-select
         .label=${this.label ||

src/components/ha-tts-picker.ts

@@ -16,6 +16,7 @@ import { HomeAssistant } from "../types";
 import "./ha-list-item";
 import "./ha-select";
 import type { HaSelect } from "./ha-select";
+import { computeDomain } from "../common/entity/compute_domain";
 
 const NONE = "__NONE_OPTION__";
 
@@ -44,13 +45,32 @@ export class HaTTSPicker extends LitElement {
     if (!this._engines) {
       return nothing;
     }
-    const value =
-      this.value ??
-      (this.required
-        ? this._engines.find(
-            (engine) => engine.supported_languages?.length !== 0
-          )
-        : NONE);
+
+    let value = this.value;
+    if (!value && this.required) {
+      for (const entity of Object.values(this.hass.entities)) {
+        if (
+          entity.platform === "cloud" &&
+          computeDomain(entity.entity_id) === "tts"
+        ) {
+          value = entity.entity_id;
+          break;
+        }
+      }
+
+      if (!value) {
+        for (const ttsEngine of this._engines) {
+          if (ttsEngine?.supported_languages?.length !== 0) {
+            value = ttsEngine.engine_id;
+            break;
+          }
+        }
+      }
+    }
+    if (!value) {
+      value = NONE;
+    }
+
     return html`
       <ha-select
         .label=${this.label ||

src/panels/config/voice-assistants/dialog-voice-assistant-pipeline-detail.ts

@@ -28,6 +28,7 @@ import "./assist-pipeline-detail/assist-pipeline-detail-tts";
 import "./assist-pipeline-detail/assist-pipeline-detail-wakeword";
 import "./debug/assist-render-pipeline-events";
 import { VoiceAssistantPipelineDetailsDialogParams } from "./show-dialog-voice-assistant-pipeline-detail";
+import { computeDomain } from "../../../common/entity/compute_domain";
 
 @customElement("dialog-voice-assistant-pipeline-detail")
 export class DialogVoiceAssistantPipelineDetail extends LitElement {
@@ -54,15 +55,36 @@ export class DialogVoiceAssistantPipelineDetail extends LitElement {
     if (this._params.pipeline) {
       this._data = this._params.pipeline;
       this._preferred = this._params.preferred;
-    } else {
-      this._data = {
-        language: (
-          this.hass.config.language || this.hass.locale.language
-        ).substring(0, 2),
-        stt_engine: this._cloudActive ? "cloud" : undefined,
-        tts_engine: this._cloudActive ? "cloud" : undefined,
-      };
+      return;
     }
+
+    let sstDefault: string | undefined;
+    let ttsDefault: string | undefined;
+    if (this._cloudActive) {
+      for (const entity of Object.values(this.hass.entities)) {
+        if (entity.platform !== "cloud") {
+          continue;
+        }
+        if (computeDomain(entity.entity_id) === "stt") {
+          sstDefault = entity.entity_id;
+          if (ttsDefault) {
+            break;
+          }
+        } else if (computeDomain(entity.entity_id) === "tts") {
+          ttsDefault = entity.entity_id;
+          if (sstDefault) {
+            break;
+          }
+        }
+      }
+    }
+    this._data = {
+      language: (
+        this.hass.config.language || this.hass.locale.language
+      ).substring(0, 2),
+      stt_engine: sstDefault,
+      tts_engine: ttsDefault,
+    };
   }
 
   public closeDialog(): void {