1 files changed, 58 insertions, 1 deletions

diff --git a/ocaml/bin/main.ml b/ocaml/bin/main.ml
index cbfe6d2..4ed5d83 100644
--- a/ocaml/bin/main.ml
+++ b/ocaml/bin/main.ml
@@ -5,12 +5,69 @@ let env_log_level =
   | Some lvl -> (
     match Logs.level_of_string lvl with Error _ -> None | Ok v -> v )
 
+let run_solver name solver filepath =
+  let content = Shared.File.read filepath in
+  match solver content () with
+  | Error msg ->
+      Logs.app (fun m -> m "[%s] Err=%s" name msg)
+  | Ok answer ->
+      Logs.app (fun m -> m "[%s] ANSWER=%d" name answer)
+
+let run_day _ = function
+  | 1 ->
+      let filepath = "../.input/2025/day_01.txt" in
+      run_solver "D01P01" Year2025.Day01.Part01.Solver.solve filepath ;
+      run_solver "D01P02" Year2025.Day01.Part02.Solver.solve filepath ;
+      0
+  | 2 ->
+      let filepath = "../.input/2025/day_02.txt" in
+      run_solver "D02P01" Year2025.Day02.Part01.Solver.solve filepath ;
+      run_solver "D02P02" Year2025.Day02.Part02.Solver.solve filepath ;
+      0
+  | 3 ->
+      let filepath = "../.input/2025/day_03.txt" in
+      run_solver "D03P01" Year2025.Day03.Part01.Solver.solve filepath ;
+      run_solver "D03P02" Year2025.Day03.Part02.Solver.solve filepath ;
+      0
+  | 4 ->
+      let filepath = "../.input/2025/day_04.txt" in
+      run_solver "D04P01" Year2025.Day04.Part01.Solver.solve filepath ;
+      run_solver "D04P02" Year2025.Day04.Part02.Solver.solve filepath ;
+      0
+  | 6 ->
+      let filepath = "../.input/2025/day_06.txt" in
+      run_solver "D06P01" Year2025.Day06.Part01.Solver.solve filepath ;
+      run_solver "D06P02" Year2025.Day06.Part02.Solver.solve filepath ;
+      0
+  | _ ->
+      failwith "day not implemented"
+
+(* Command line interface *)
+
+open Cmdliner
+
+let setup_log style_renderer = Fmt_tty.setup_std_outputs ?style_renderer ()
+
+let setup_log_t = Term.(const setup_log $ Fmt_cli.style_renderer ())
+
+let day_arg =
+  let doc = "Day to run. MUST be in range of 1-12." in
+  Arg.(value & pos 0 int 1 & info [] ~docv:"DAY" ~doc)
+
+let day_t = Term.(const run_day $ setup_log_t $ day_arg)
+
+let cmd =
+  let info = Cmd.info "aoc" ~version:"0.1.0" in
+  Cmd.v info day_t
+
+let run () = Cmd.eval' cmd
+
 let main () =
   let log_level = env_log_level in
   Logs.set_level log_level ;
   Logs.set_reporter (Logs_fmt.reporter ()) ;
   Logs.info (fun m ->
       m "Started application with LOG_LEVEL=%s" (Logs.level_to_string log_level) ) ;
-  Presentation.Cli.run ()
+  run ()
 
 let () = if !Sys.interactive then () else exit (main ())