{ config, lib, ... }:

let
  cfg = config.dot.llm.opencode;
in
{
  options.dot.llm.opencode = {
    enableConfig = lib.mkOption {
      type = lib.types.bool;
      default = false;
      description = "Enable managed OpenCode configuration";
    };
  };

  config = lib.mkIf cfg.enableConfig {
    # Declare the sops secret
    sops.secrets.langdock-api-key = {
      # Uses defaultSopsFile from secrets.nix
    };

    # Create the OpenCode config.json template with secret substitution
    sops.templates."opencode/opencode.json" = {
      content = builtins.toJSON {
        "$schema" = "https://opencode.ai/config.json";
        model = "anthropic/claude-sonnet-4-5-20250929";
        small_model = "anthropic/claude-haiku-4-5-20251001";
        provider = {
          langdock-openai = {
            npm = "@ai-sdk/openai-compatible";
            name = "Langdock OpenAI";
            options = {
              baseURL = "https://api.langdock.com/openai/eu/v1";
              apiKey = config.sops.placeholder.langdock-api-key;
            };
            models = {
              "gpt-5.2" = { name = "GPT-5.2"; };
              "gpt-4.1" = { name = "GPT-4.1"; };
              "gpt-5-mini" = { name = "GPT-5 mini"; };
            };
          };
          anthropic = {
            options = {
              baseURL = "https://api.langdock.com/anthropic/eu/v1";
              apiKey = config.sops.placeholder.langdock-api-key;
            };
            models = {
              "Opus 4.6" = { name = "opus-4.6-default"; };
            };
          };
          ollama = {
            npm = "@ai-sdk/openai-compatible";
            name = "Ollama (Local)";
            options = {
              baseURL = "http://192.168.11.23:11434/v1";
            };
            models = {
              "qwen3-coder:30b" = { name = "Qwen 3 Coder 30B"; };
              "codellama:34b-instruct" = { name = "CodeLlama 34B Instruct"; };
            };
          };
        };
      };
    };

    # Link the generated config to the expected location
    xdg.configFile."opencode/opencode.json".source = config.sops.templates."opencode/opencode.json".path;
  };
}