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import profile
import test.framework
import core.str

proc main()
    let runner = new framework.TestRunner()

    let host = profile.HostFacts {
        lan_ip: "192.168.168.124",
        user:   "ctusa",
        home:   "/home/ctusa"
    }

    // All three substitutions
    let yaml: string = "config:\n  environment.OLLAMA_HOST: \"http://\${HOST_LAN_IP}:11434\"\ndevices:\n  state:\n    source: \${HOME}/.ollama\n    user: \${USER}\n"
    let out = profile.render(yaml, host)
    runner.assert_contains_string(out, "http://192.168.168.124:11434", "\${HOST_LAN_IP} substituted")
    runner.assert_contains_string(out, "/home/ctusa/.ollama", "\${HOME} substituted")
    runner.assert_contains_string(out, "user: ctusa", "\${USER} substituted")
    runner.assert_eq_bool(false, str.contains(out, "\${HOST_LAN_IP}"), "no leftover \${HOST_LAN_IP}")
    runner.assert_eq_bool(false, str.contains(out, "\${USER}"), "no leftover \${USER}")
    runner.assert_eq_bool(false, str.contains(out, "\${HOME}"), "no leftover \${HOME}")

    // No substitutions present — input is returned unchanged
    let plain: string = "name: foo\nconfig: {}\n"
    runner.assert_eq_string(profile.render(plain, host), plain, "no-substitution input passes through")

    // Empty input
    runner.assert_eq_string(profile.render("", host), "", "empty input")

    runner.report()
end main