arr-init: fix bazarr API endpoint and update test

modules/arr-init.nix

@@ -366,26 +366,28 @@ let
 
   enabledInstances = lib.filterAttrs (_: inst: inst.enable) cfg;
 
-  mkBazarrProviderSection = type: provider: ''
+  mkBazarrProviderSection = type: provider:
+    let
+      ltype = lib.toLower type;
+    in ''
     # ${type} provider
     echo "Checking ${type} provider..."
     PROVIDER_API_KEY=$(${grep} -oP '(?<=<ApiKey>)[^<]+' ${lib.escapeShellArg "${provider.dataDir}/config.xml"})
-    EXISTING=$(${curl} -sf "$BASE_URL/api/${lib.toLower type}" -H "X-API-KEY: $API_KEY")
-    if echo "$EXISTING" | ${jq} -e '. | length > 0' > /dev/null 2>&1; then
+    EXISTING=$(${curl} -sf "$BASE_URL/api/system/settings" -H "X-API-KEY: $API_KEY")
+    USE_FLAG=$(echo "$EXISTING" | ${jq} -r '.general.use_${ltype}')
+    EXISTING_KEY=$(echo "$EXISTING" | ${jq} -r '.${ltype}.apikey // ""')
+    if [ "$USE_FLAG" = "true" ] && [ -n "$EXISTING_KEY" ]; then
       echo "${type} provider already configured, skipping"
     else
       echo "Adding ${type} provider..."
-      PAYLOAD=$(${jq} -n \
-        --arg ip "localhost" \
-        --argjson port ${builtins.toString provider.port} \
-        --arg apikey "$PROVIDER_API_KEY" \
-        --argjson ssl false \
-        --arg base_url "/" \
-        '{ip: $ip, port: $port, apikey: $apikey, ssl: $ssl, base_url: $base_url}')
-      ${curl} -sf -X POST "$BASE_URL/api/${lib.toLower type}" \
+      ${curl} -sf -X POST "$BASE_URL/api/system/settings" \
         -H "X-API-KEY: $API_KEY" \
-        -H "Content-Type: application/json" \
-        -d "$PAYLOAD"
+        -d "settings-general-use_${ltype}=true" \
+        -d "settings-${ltype}-ip=localhost" \
+        -d "settings-${ltype}-port=${builtins.toString provider.port}" \
+        -d "settings-${ltype}-apikey=$PROVIDER_API_KEY" \
+        -d "settings-${ltype}-ssl=false" \
+        -d "settings-${ltype}-base_url=/"
       echo "${type} provider added"
     fi
   '';