1  -- SPDX-License-Identifier: AGPL-3.0-or-later
  2  -- GraphQL Server implementation for bitfuckit
  3  -- Fire-and-Fuck-GET (and more) with Bitbucket
  4  
  5  with Ada.Text_IO; use Ada.Text_IO;
  6  with Ada.Directories;
  7  with GNAT.OS_Lib;
  8  with Config;
  9  with Bitbucket_API;
 10  
 11  package body GraphQL_Server
 12     with SPARK_Mode => Off  -- I/O and networking operations
 13  is
 14  
 15     Schema_Content : Unbounded_String := Null_Unbounded_String;
 16  
 17     procedure Load_Schema is
 18        Schema_Path : constant String := "graphql/schema.graphql";
 19        File : File_Type;
 20        Line : String (1 .. 1024);
 21        Last : Natural;
 22     begin
 23        if Ada.Directories.Exists (Schema_Path) then
 24           Open (File, In_File, Schema_Path);
 25           while not End_Of_File (File) loop
 26              Get_Line (File, Line, Last);
 27              Append (Schema_Content, Line (1 .. Last) & ASCII.LF);
 28           end loop;
 29           Close (File);
 30        end if;
 31     end Load_Schema;
 32  
 33     procedure Initialize (Config : Server_Config) is
 34     begin
 35        Current_Config := Config;
 36        Load_Schema;
 37     end Initialize;
 38  
 39     procedure Start is
 40     begin
 41        Current_State := Starting;
 42        -- TODO: Start HTTP server with GraphQL endpoint
 43        -- For now, we'll use a simple approach
 44        Put_Line ("Starting GraphQL server on " &
 45                  To_String (Current_Config.Host) & ":" &
 46                  Positive'Image (Current_Config.Port));
 47  
 48        if Current_Config.Enable_Playground then
 49           Put_Line ("GraphQL Playground enabled at /playground");
 50        end if;
 51  
 52        Current_State := Running;
 53     end Start;
 54  
 55     procedure Stop is
 56     begin
 57        Current_State := Stopping;
 58        Put_Line ("Stopping GraphQL server...");
 59        Current_State := Stopped;
 60     end Stop;
 61  
 62     function Get_State return Server_State is
 63     begin
 64        return Current_State;
 65     end Get_State;
 66  
 67     function Execute_Query (Query : String; Variables : String := "{}")
 68        return GraphQL_Result
 69     is
 70        Result : GraphQL_Result;
 71        Creds : constant Config.Credentials := Config.Load_Credentials;
 72     begin
 73        Result.Success := True;
 74        Result.Errors := Null_Unbounded_String;
 75  
 76        -- Parse and execute GraphQL query
 77        -- This is a simplified implementation - real implementation would use
 78        -- a proper GraphQL parser and executor
 79  
 80        -- Check for common queries/mutations
 81        if Index (To_Unbounded_String (Query), "authStatus") > 0 then
 82           -- Handle authStatus query
 83           if Config.Has_Credentials then
 84              Result.Data := To_Unbounded_String (
 85                 "{""authStatus"":{""authenticated"":true," &
 86                 """username"":""" & To_String (Creds.Username) & """," &
 87                 """workspace"":""" & To_String (Creds.Workspace) & """}}"
 88              );
 89           else
 90              Result.Data := To_Unbounded_String (
 91                 "{""authStatus"":{""authenticated"":false}}"
 92              );
 93           end if;
 94  
 95        elsif Index (To_Unbounded_String (Query), "repositories") > 0 then
 96           -- Handle repositories query
 97           declare
 98              API_Result : constant Bitbucket_API.API_Result :=
 99                 Bitbucket_API.List_Repos (Creds);
100           begin
101              if API_Result.Success then
102                 Result.Data := To_Unbounded_String (
103                    "{""repositories"":{""nodes"":" &
104                    To_String (API_Result.Data) & "}}"
105                 );
106              else
107                 Result.Success := False;
108                 Result.Errors := API_Result.Message;
109              end if;
110           end;
111  
112        elsif Index (To_Unbounded_String (Query), "createRepository") > 0 then
113           -- Handle createRepository mutation
114           -- Parse input from variables
115           Result.Data := To_Unbounded_String (
116              "{""createRepository"":{""success"":true,""message"":""TODO: Parse input""}}"
117           );
118  
119        elsif Index (To_Unbounded_String (Query), "mirror") > 0 then
120           -- Handle mirror mutation
121           Result.Data := To_Unbounded_String (
122              "{""mirror"":{""success"":true,""message"":""TODO: Parse input""}}"
123           );
124  
125        else
126           Result.Success := False;
127           Result.Errors := To_Unbounded_String ("Unknown query or mutation");
128        end if;
129  
130        return Result;
131     end Execute_Query;
132  
133     function Get_Schema return String is
134     begin
135        if Length (Schema_Content) = 0 then
136           Load_Schema;
137        end if;
138        return To_String (Schema_Content);
139     end Get_Schema;
140  
141     function Is_Healthy return Boolean is
142     begin
143        return Current_State = Running;
144     end Is_Healthy;
145  
146  end GraphQL_Server;