save all ai service configs

10 files changed, 138 insertions, 39 deletions

diff --git a/include/administration.hpp b/include/administration.hpp
index 5c39d59..2179301 100644
--- a/include/administration.hpp
+++ b/include/administration.hpp
@@ -44,6 +44,8 @@
 #define MAX_LEN_PROJECT_REPORT_COSTCENTERS  50
 #define MAX_BILLING_ITEMS       50
 
+#define MAX_AI_SERVICES         AI_PROVIDER_END
+
 #define ACTIVITY_MAX_PARAMS     3
 #define ACTIVITY_USER           "user"
 #define ACTIVITY_SYSTEM         "system"
@@ -394,7 +396,8 @@ typedef void (*project_changed_event)(project* project);
 typedef enum
 {
     AI_PROVIDER_OPENAI = 0,
-    //AI_PROVIDER_DEEPSEEK = 1,
+    AI_PROVIDER_GEMINI = 1,
+    AI_PROVIDER_PERPLEXITY = 2,
 
     AI_PROVIDER_END,
 } ai_provider;
@@ -403,7 +406,7 @@ typedef struct
 {
     ai_provider provider;
     char model_name[MAX_LEN_SHORT_DESC];
-    char api_key_public[MAX_LEN_API_KEY];
+    char api_key_public[MAX_LEN_API_KEY]; // @TODO rename to api_key
 } ai_service;
 
 typedef enum
@@ -449,7 +452,10 @@ typedef struct
     list_t invoices;
 
     // Service providers.
-    ai_service ai_service;
+    u32 ai_service_count;
+    ai_service all_ai_services[MAX_AI_SERVICES];
+    ai_service ai_service; // @TODO rename to active_ai_service
+
     email_service email_service;
 } ledger;
 
@@ -518,12 +524,14 @@ namespace administration {
     char*       get_currency_symbol_for_currency(char* code);
     char*       get_default_currency();
     time_t      get_default_invoice_expire_duration();
-    ai_service  get_ai_service();
+    ai_service  get_active_ai_service();
+    ai_service  get_ai_service(ai_provider provider);
     email_service get_email_service();
     void        set_file_path(char* path);
     void        set_next_id(s32 nr);
     void        set_next_sequence_number(s32 nr);
-    void        set_ai_service(ai_service provider);
+    void        set_active_ai_service(ai_service provider);
+    void        import_ai_service(ai_service provider);
     void        set_email_service(email_service provider);
     void        create_income_statement(income_statement* statement);
     bool        company_info_is_valid();
diff --git a/include/file_templates.hpp b/include/file_templates.hpp
index ec78cb7..b79b5bf 100644
--- a/include/file_templates.hpp
+++ b/include/file_templates.hpp
@@ -61,16 +61,22 @@ namespace file_template {
     "   </Address>\n"
     "</Contact>";
 
+    static const char* ai_service_template = 
+    "   <AIService>\n"
+    "       <Provider>{{AI_SERVICE_PROVIDER}}</Provider>\n"
+    "       <PublicKey>{{AI_SERVICE_KEY}}</PublicKey>\n"
+    "       <Model>{{AI_SERVICE_MODEL}}</Model>\n"
+    "   </AIService>\n";
+
     static const char* administration_save_template =
     "<Administration>\n"
     "   <NextId>{{NEXT_ID}}</NextId>\n"
     "   <NextSequenceNumber>{{NEXT_SEQUENCE_NUMBER}}</NextSequenceNumber>\n"
     "   <ProgramVersion>{{PROGRAM_VERSION}}</ProgramVersion>\n"
-    "   <AIService>\n"
-    "       <Provider>{{AI_SERVICE_PROVIDER}}</Provider>\n"
-    "       <PublicKey>{{AI_SERVICE_PUBLIC_KEY}}</PublicKey>\n"
-    "       <Model>{{AI_SERVICE_MODEL}}</Model>\n"
-    "   </AIService>\n"
+    "   <AIServices>\n"
+    "       <Provider>{{ACTIVE_AI_SERVICE_PROVIDER}}</Provider>\n"
+    "       {{AI_SERVICE_LIST}}\n"
+    "   </AIServices>\n"
     "   <EmailService>\n"
     "       <Provider>{{EMAIL_SERVICE_PROVIDER}}</Provider>\n"
     "       <PublicKey>{{EMAIL_SERVICE_KEY}}</PublicKey>\n"
diff --git a/src/administration.cpp b/src/administration.cpp
index 182dabd..9b0144e 100644
--- a/src/administration.cpp
+++ b/src/administration.cpp
@@ -135,6 +135,7 @@ void administration_create()
     strops::copy(g_administration.path, "", sizeof(g_administration.path));
 
     memops::zero(&g_administration.ai_service, sizeof(ai_service));
+    memops::zero(&g_administration.all_ai_services, sizeof(g_administration.all_ai_services));
 
     // Load all tax rates.
     for (s32 i = 0; i < country::get_count(); i++)
@@ -232,11 +233,16 @@ void administration::create_default(char* save_file)
 
 // Other functions.
 // =======================
-ai_service administration::get_ai_service()
+ai_service administration::get_active_ai_service()
 {
     return g_administration.ai_service;
 }
 
+ai_service administration::get_ai_service(ai_provider provider)
+{
+    return g_administration.all_ai_services[(u32)provider];
+}
+
 email_service administration::get_email_service()
 {
     return g_administration.email_service;
@@ -248,9 +254,15 @@ void administration::set_email_service(email_service provider)
     if (administration_data_changed_event_callback) administration_data_changed_event_callback();
 }
 
-void administration::set_ai_service(ai_service provider)
+void administration::import_ai_service(ai_service service)
+{
+    g_administration.all_ai_services[(u32)service.provider] = service;
+}
+
+void administration::set_active_ai_service(ai_service service)
 {
-    g_administration.ai_service = provider;
+    g_administration.all_ai_services[(u32)service.provider] = service;
+    g_administration.ai_service = service;
     if (administration_data_changed_event_callback) administration_data_changed_event_callback();
 }
 
diff --git a/src/administration_reader.cpp b/src/administration_reader.cpp
index a5f2449..0b5c233 100644
--- a/src/administration_reader.cpp
+++ b/src/administration_reader.cpp
@@ -460,11 +460,34 @@ bool administration_reader::import_administration_info(char* buffer, size_t buff
     administration::set_next_id(xml_get_s32(root, "NextId"));
     administration::set_next_sequence_number(xml_get_s32(root, "NextSequenceNumber"));
 
-    ai_service ai_service;
-    ai_service.provider = (ai_provider)xml_get_s32_x(root, "AIService", "Provider", 0);
-    xml_get_str_x(root, ai_service.api_key_public, MAX_LEN_API_KEY, "AIService", "PublicKey", 0);
-    xml_get_str_x(root, ai_service.model_name, MAX_LEN_SHORT_DESC, "AIService", "Model", 0);
-    administration::set_ai_service(ai_service);
+    { // Load AI services.
+        xml_node* ai_service_root = xml_easy_child(root, (uint8_t *)"AIServices", 0);
+
+        ai_service active_ai_service;
+        active_ai_service.provider = (ai_provider)xml_get_s32_x(ai_service_root, "Provider", 0);
+        
+        size_t ai_service_count = xml_node_children(ai_service_root);
+        for (size_t x = 0; x < ai_service_count; x++)
+        {
+            xml_node* child = xml_node_child(ai_service_root, x);
+
+            char* child_name = (char*)xml_easy_name(child);
+            if (strops::equals(child_name, "AIService"))
+            {
+                ai_service service;
+                service.provider = (ai_provider)xml_get_s32_x(child, "Provider", 0);
+                xml_get_str_x(child, service.api_key_public, MAX_LEN_API_KEY, "PublicKey", 0);
+                xml_get_str_x(child, service.model_name, MAX_LEN_SHORT_DESC, "Model", 0);
+
+                administration::import_ai_service(service);
+            }
+
+            memops::unalloc(child_name);
+        }
+    
+        active_ai_service = administration::get_ai_service(active_ai_service.provider);
+        administration::set_active_ai_service(active_ai_service);
+    }
 
     email_service email_service;
     email_service.provider = (email_provider)xml_get_s32_x(root, "EmailService", "Provider", 0);
diff --git a/src/administration_writer.cpp b/src/administration_writer.cpp
index da9ee77..c1637f4 100644
--- a/src/administration_writer.cpp
+++ b/src/administration_writer.cpp
@@ -921,10 +921,35 @@ bool administration_writer::save_administration_info_blocking()
     strops::replace_int32(file_content, buf_length,  "{{NEXT_SEQUENCE_NUMBER}}", administration::get_next_sequence_number());
     strops::replace(file_content, buf_length,        "{{PROGRAM_VERSION}}", config::PROGRAM_VERSION);
 
-    ai_service ai_service = administration::get_ai_service();
-    strops::replace_int32(file_content, buf_length,  "{{AI_SERVICE_PROVIDER}}", (s32)ai_service.provider);
-    strops::replace(file_content, buf_length,        "{{AI_SERVICE_PUBLIC_KEY}}", ai_service.api_key_public);
-    strops::replace(file_content, buf_length,        "{{AI_SERVICE_MODEL}}", ai_service.model_name);
+    ai_service active_ai_service = administration::get_active_ai_service();
+    strops::replace_int32(file_content, buf_length,  "{{ACTIVE_AI_SERVICE_PROVIDER}}", (s32)active_ai_service.provider);
+
+    {
+        u32 ai_service_list_buffer_size = (u32)(strops::length(file_template::ai_service_template) + 1000) * AI_PROVIDER_END; // @TODO
+        char* ai_service_list_buffer = (char*)memops::alloc(ai_service_list_buffer_size);
+        memops::zero(ai_service_list_buffer, ai_service_list_buffer_size);
+        u32 ai_service_list_buffer_cursor = 0;
+
+        for (u32 i = 0; i < AI_PROVIDER_END; i++)
+        {
+            int buf_length = 0;
+            char* file_content = copy_template(file_template::ai_service_template, &buf_length);
+
+            ai_service service = administration::get_ai_service((ai_provider)i);
+            strops::replace_int32(file_content, buf_length,  "{{AI_SERVICE_PROVIDER}}", i);
+            strops::replace(file_content, buf_length,        "{{AI_SERVICE_KEY}}", service.api_key_public);
+            strops::replace(file_content, buf_length,        "{{AI_SERVICE_MODEL}}", service.model_name);
+
+            u32 content_len = (u32)strops::length(file_content);
+            memops::copy(ai_service_list_buffer+ai_service_list_buffer_cursor, file_content, content_len);
+
+            ai_service_list_buffer_cursor += content_len;
+        }
+
+        strops::replace(file_content, buf_length, "{{AI_SERVICE_LIST}}", ai_service_list_buffer);
+        memops::unalloc(ai_service_list_buffer);
+    }
+
 
     email_service email_service = administration::get_email_service();
     strops::replace_int32(file_content, buf_length,  "{{EMAIL_SERVICE_PROVIDER}}", (s32)email_service.provider);
diff --git a/src/importer.cpp b/src/importer.cpp
index 65726bc..0ae0d79 100644
--- a/src/importer.cpp
+++ b/src/importer.cpp
@@ -27,14 +27,16 @@
 #include "administration_reader.hpp"
 
 extern importer::ai_provider_impl _chatgpt_api_provider;
-extern importer::ai_provider_impl _deepseek_api_provider;
+extern importer::ai_provider_impl _gemini_api_provider;
+extern importer::ai_provider_impl _perplexity_api_provider;
 
 importer::ai_provider_impl importer::get_ai_provider_implementation(ai_provider provider)
 {
     switch(provider)
     {
         case AI_PROVIDER_OPENAI: return _chatgpt_api_provider;
-        //case AI_PROVIDER_DEEPSEEK: return _deepseek_api_provider;
+        case AI_PROVIDER_GEMINI: return _gemini_api_provider;
+        case AI_PROVIDER_PERPLEXITY: return _perplexity_api_provider;
         default: assert(0); break;
     }
 
@@ -206,7 +208,7 @@ static int _ai_document_to_invoice_t(void *arg)
 {
     importer::invoice_request* request = (importer::invoice_request*)arg;
     char* file_path = request->file_path; 
-    importer::ai_provider_impl impl = importer::get_ai_provider_implementation(administration::get_ai_service().provider);
+    importer::ai_provider_impl impl = importer::get_ai_provider_implementation(administration::get_active_ai_service().provider);
 
     request->status = importer::status::IMPORT_UPLOADING_FILE;
 
diff --git a/src/providers/DeepSeek.cpp b/src/providers/DeepSeek.cpp
index c34e299..8a5b42e 100644
--- a/src/providers/DeepSeek.cpp
+++ b/src/providers/DeepSeek.cpp
@@ -30,7 +30,7 @@ static bool _DeepSeek_query_with_file(const char* query, size_t query_length, ch
     (void)query_length;
     assert(query_buffer);
 
-    const char *api_key = administration::get_ai_service().api_key_public;
+    const char *api_key = administration::get_active_ai_service().api_key_public;
     
     httplib::SSLClient cli("api.deepseek.com");
     //cli.enable_server_certificate_verification(false);
@@ -46,7 +46,7 @@ static bool _DeepSeek_query_with_file(const char* query, size_t query_length, ch
     size_t body_size = file_size + QUERY_BUFFER_SIZE;
     char* body = (char*)memops::alloc(body_size);
     strops::format(body, body_size, 
-        "{\"model\":\"%s\", \"messages\": [ { \"role\": \"user\", \"content\": \"%s\" } ] }", administration::get_ai_service().model_name, query_escaped);
+        "{\"model\":\"%s\", \"messages\": [ { \"role\": \"user\", \"content\": \"%s\" } ] }", administration::get_active_ai_service().model_name, query_escaped);
 
     httplib::Headers headers;
     headers.insert(std::make_pair("Authorization", std::string("Bearer ") + api_key));
diff --git a/src/providers/openAI.cpp b/src/providers/openAI.cpp
index d1495dc..6c60541 100644
--- a/src/providers/openAI.cpp
+++ b/src/providers/openAI.cpp
@@ -26,7 +26,7 @@
 
 static bool _openAI_batch_query_with_file(const char** queries, size_t query_count, char* file_id, invoice* buffer, importer::batch_query_response_handler response_handler)
 {
-    const char *api_key = administration::get_ai_service().api_key_public;
+    const char *api_key = administration::get_active_ai_service().api_key_public;
     httplib::SSLClient cli("api.openai.com", 443);
 
     thrd_t threads[20];
@@ -50,7 +50,7 @@ static bool _openAI_batch_query_with_file(const char** queries, size_t query_cou
                 "  }"
                 "], "
                 " \"text\":  { \"format\": { \"type\": \"json_object\" } } "
-                "}", administration::get_ai_service().model_name, file_id, query_escaped);
+                "}", administration::get_active_ai_service().model_name, file_id, query_escaped);
 
             httplib::Headers headers;
             headers.insert(std::make_pair("Authorization", std::string("Bearer ") + api_key));
@@ -96,7 +96,7 @@ static bool _openAI_batch_query_with_file(const char** queries, size_t query_cou
 
 static bool _openAI_query_with_file(const char* query, size_t query_length, char* file_id, char** response)
 {
-    const char *api_key = administration::get_ai_service().api_key_public;
+    const char *api_key = administration::get_active_ai_service().api_key_public;
     
     httplib::SSLClient cli("api.openai.com", 443);
     //cli.enable_server_certificate_verification(false);
@@ -108,7 +108,7 @@ static bool _openAI_query_with_file(const char* query, size_t query_length, char
     char* body = (char*)memops::alloc(body_size);
     strops::format(body, body_size, 
         "{\"model\":\"%s\", \"input\": [ { \"role\": \"user\", \"content\": [ { \"type\": \"input_file\", \"file_id\": \"%s\" }, "
-        "{ \"type\": \"input_text\", \"text\": \"%s\" } ] } ] }", administration::get_ai_service().model_name, file_id, query_escaped);
+        "{ \"type\": \"input_text\", \"text\": \"%s\" } ] } ] }", administration::get_active_ai_service().model_name, file_id, query_escaped);
 
     httplib::Headers headers;
     headers.insert(std::make_pair("Authorization", std::string("Bearer ") + api_key));
@@ -135,7 +135,7 @@ static bool _openAI_query_with_file(const char* query, size_t query_length, char
 
 static bool _openAI_upload_file(char* file_path, char* file_id, size_t file_id_len)
 {
-    const char *api_key = administration::get_ai_service().api_key_public;
+    const char *api_key = administration::get_active_ai_service().api_key_public;
     const char *filename = strops::get_filename(file_path);
 
     FILE* orig_file = fopen(file_path, "rb");
@@ -237,7 +237,7 @@ static bool _openAI_upload_file(char* file_path, char* file_id, size_t file_id_l
 
 static bool _openAI_get_available_models(importer::model_list_request* buffer) 
 {
-    const char *api_key = administration::get_ai_service().api_key_public;
+    const char *api_key = administration::get_active_ai_service().api_key_public;
 
     httplib::SSLClient cli("api.openai.com", 443);
 
@@ -273,4 +273,22 @@ importer::ai_provider_impl _chatgpt_api_provider = {
     _openAI_query_with_file,
     _openAI_batch_query_with_file,
     _openAI_get_available_models,
+};
+
+importer::ai_provider_impl _gemini_api_provider = {
+    "Gemini",
+    "",
+    0,
+    0,
+    0,
+    0,
+};
+
+importer::ai_provider_impl _perplexity_api_provider = {
+    "Perplexity",
+    "",
+    0,
+    0,
+    0,
+    0,
 };
\ No newline at end of file
diff --git a/src/ui/ui_settings.cpp b/src/ui/ui_settings.cpp
index 0d3a210..c10ca26 100644
--- a/src/ui/ui_settings.cpp
+++ b/src/ui/ui_settings.cpp
@@ -60,7 +60,7 @@ void ui::setup_settings()
         cost_centers = (cost_center*)memops::alloc(cost_center_count * sizeof(cost_center));
         administration::cost_center_get_all(cost_centers);
 
-        new_ai_service = administration::get_ai_service();
+        new_ai_service = administration::get_active_ai_service();
         new_email_service = administration::get_email_service();
     }
 }
@@ -275,9 +275,14 @@ static void draw_ai_service_ui()
             {
                 bool is_selected = n == (uint32_t)new_ai_service.provider;
                 if (ImGui::Selectable(ai_service_names[n], is_selected)) {
+
+                    ai_service service = administration::get_ai_service((ai_provider)n);
                     new_ai_service.provider = (ai_provider)n;
+                    strops::copy(new_ai_service.model_name, service.model_name, MAX_LEN_SHORT_DESC);
+                    strops::copy(new_ai_service.api_key_public, service.api_key_public, MAX_LEN_API_KEY);
+
                     model_request = 0;
-                    set_model_on_load = true;
+                    set_model_on_load = strops::length(new_ai_service.model_name) == 0;
                 }
             }
             ImGui::EndCombo();
@@ -341,7 +346,7 @@ static void draw_ai_service_ui()
         strops::format(id, 100, "%s##ai", locale::get("form.save"));
         if (ImGui::Button(id, true)) {
             administration_writer::set_write_completed_event_callback(0);
-            administration::set_ai_service(new_ai_service);
+            administration::set_active_ai_service(new_ai_service);
         }
     }
 }
diff --git a/tests/administration_rw_tests.cpp b/tests/administration_rw_tests.cpp
index a33173f..7e80844 100644
--- a/tests/administration_rw_tests.cpp
+++ b/tests/administration_rw_tests.cpp
@@ -148,9 +148,9 @@ TEST _administration_rw_info(void)
         ss.provider = AI_PROVIDER_OPENAI;
         strops::copy(ss.api_key_public, "123", sizeof(ss.api_key_public));
         strops::copy(ss.model_name, "321", sizeof(ss.model_name));
-        administration::set_ai_service(ss);
+        administration::set_active_ai_service(ss);
 
-        ais = administration::get_ai_service();
+        ais = administration::get_active_ai_service();
     }
 
     administration_reader::open_existing(test_file_path);
@@ -158,7 +158,7 @@ TEST _administration_rw_info(void)
         ASSERT_EQ(next_id, administration::get_next_id());
         ASSERT_EQ(next_sequence_number, administration::get_next_sequence_number());
 
-        ai_service rs = administration::get_ai_service();
+        ai_service rs = administration::get_active_ai_service();
         ASSERT_MEM_EQ(&ais, &rs, sizeof(ai_service));
     }