import nimgit2
import types, free

proc config* (repo: GitRepository): GitConfig =
    let error = git_repository_config_snapshot(addr result, repo)

    if error != 0:
        free(result)
        raise newException(CatchableError, "Load config failed: " & $error.getResultCode)


proc get* (config: GitConfig, name: string): string =
    var value: cstring
    let error = git_config_get_string(addr value, config, cstring(name))

    if error != 0:
        return ""

    result = $value

proc getString* (config: GitConfig, name: string): string =
    var value: cstring
    let error = git_config_get_string(addr value, config, cstring(name))

    if error != 0:
        raise newException(CatchableError, "Config-value lookup failed: " & $error.getResultCode)

    result = $value

proc getBool* (config: GitConfig, name: string): bool =
    var value: cint
    let error = git_config_get_bool(addr value, config, cstring(name))

    if error != 0:
        raise newException(CatchableError, "Config-value lookup failed: " & $error.getResultCode)

    result = cast[bool](value)

proc getInt* (config: GitConfig, name: string): int64 =
    let error = git_config_get_int64(addr result, config, cstring(name))

    if error != 0:
        raise newException(CatchableError, "Config-value lookup failed: " & $error.getResultCode)