// SPDX-License-Identifier: MIT
//
// Build & run from clients/java/:
//   mvn -q package
//   javac -cp target/clawdforge-client-0.1.0.jar:$(ls ~/.m2/repository/com/fasterxml/jackson/core/jackson-databind/*/jackson-databind-*.jar | head -1):$(ls ~/.m2/repository/com/fasterxml/jackson/core/jackson-core/*/jackson-core-*.jar | head -1):$(ls ~/.m2/repository/com/fasterxml/jackson/core/jackson-annotations/*/jackson-annotations-*.jar | head -1) -d /tmp/cf-example examples/Basic.java
//   java  -cp /tmp/cf-example:target/classes:<jackson jars> Basic
//
// Or just import the jar into your own project and run from there.

import com.clawdforge.AppToken;
import com.clawdforge.FileToken;
import com.clawdforge.ForgeClient;
import com.clawdforge.HealthStatus;
import com.clawdforge.RunRequest;
import com.clawdforge.RunResult;
import com.fasterxml.jackson.databind.JsonNode;

import java.nio.file.Path;
import java.util.List;

public class Basic {
    public static void main(String[] args) {
        String baseUrl = System.getenv().getOrDefault("CLAWDFORGE_URL", "http://localhost:8800");
        String token = System.getenv("CLAWDFORGE_TOKEN");
        if (token == null || token.isBlank()) {
            System.err.println("set CLAWDFORGE_TOKEN");
            System.exit(2);
        }

        ForgeClient client = ForgeClient.builder()
                .baseUrl(baseUrl)
                .token(token)
                .build();

        // 1. health
        HealthStatus h = client.healthz();
        System.out.printf("ok=%s claude_present=%s version=%s%n",
                h.ok(), h.claudePresent(), h.claudeVersion());

        // 2. run a prompt asking for JSON
        RunResult res = client.run(RunRequest.builder()
                .prompt("Reply with JSON: {\"hello\": \"world\"}")
                .model("sonnet")
                .timeoutSecs(60)
                .build());

        System.out.printf("duration=%dms stop_reason=%s%n", res.durationMs(), res.stopReason());
        JsonNode r = res.result();
        if (r.isObject() && r.has("hello")) {
            System.out.println("hello -> " + r.get("hello").asText());
        } else if (r.isTextual()) {
            System.out.println("text -> " + r.asText());
        } else {
            System.out.println("raw  -> " + r);
        }

        // 3. (optional) upload + reference a file
        String filePath = System.getenv("CLAWDFORGE_FILE");
        if (filePath != null && !filePath.isBlank()) {
            FileToken ft = client.uploadFile(Path.of(filePath), 3600);
            System.out.println("uploaded " + ft.fileToken() + " (" + ft.size() + " bytes)");

            RunResult res2 = client.run(RunRequest.builder()
                    .prompt("Summarize the attached file in one sentence.")
                    .files(List.of(ft.fileToken()))
                    .build());
            System.out.println("summary -> " + res2.result());
        }

        // 4. (admin) list tokens — only works with the admin bootstrap token
        if (Boolean.parseBoolean(System.getenv().getOrDefault("CLAWDFORGE_ADMIN", "false"))) {
            List<AppToken> tokens = client.listTokens();
            for (AppToken t : tokens) {
                System.out.printf("token name=%s created_at=%d ip_cidrs=%s%n",
                        t.name(), t.createdAt(), t.ipCidrs());
            }
        }
    }
}