// Basic example for the Clawdforge SDK.
//
// Run with: CLAWDFORGE_TOKEN=cf_... swift run ClawdforgeBasicExample
//
// This file is intentionally named `main.swift` so it can use top-level
// `await` rather than wrapping in `@main`. Swift treats a single-file
// executable target named `main.swift` as a script.

import Foundation
import Clawdforge

let baseURL = URL(string: ProcessInfo.processInfo.environment["CLAWDFORGE_URL"] ?? "http://192.168.0.5:8800")!
guard let token = ProcessInfo.processInfo.environment["CLAWDFORGE_TOKEN"] else {
    FileHandle.standardError.write(Data("error: set CLAWDFORGE_TOKEN\n".utf8))
    exit(1)
}

do {
    let client = try ForgeClient(baseURL: baseURL, token: token)

    // 1. Health check
    let h = try await client.healthz()
    print("claude_present: \(h.claudePresent)")
    print("claude_version: \(h.claudeVersion ?? "unknown")")

    // 2. Run a prompt
    let res = try await client.run(RunRequest(
        prompt: #"Reply with JSON: {"hello": "world"}"#,
        model: "sonnet",
        timeoutSecs: 60
    ))
    print("duration: \(res.durationMs)ms")
    if case .object(let dict) = res.result,
       case .string(let hello) = dict["hello"] ?? .null {
        print("hello = \(hello)")
    } else {
        print("result: \(res.result)")
    }

    // 3. Optional file upload + reuse — uncomment to try.
    //
    // let recipe = URL(fileURLWithPath: "./recipe.png")
    // let ft = try await client.uploadFile(at: recipe, ttlSecs: 3600)
    // let extract = try await client.run(RunRequest(
    //     prompt: "extract recipe data as JSON",
    //     files: [ft.fileToken]
    // ))
    // print("extract: \(extract.result)")

} catch let err as ForgeError {
    FileHandle.standardError.write(Data("clawdforge error: \(err.localizedDescription)\n".utf8))
    exit(2)
} catch {
    FileHandle.standardError.write(Data("unexpected error: \(error)\n".utf8))
    exit(2)
}