package solutions.tretter.githugandroid

/**
 * Port of the upstream ruby-githug `reset` level.
 *
 * Setup documents the repository shape the learner explores. Evaluation is kept
 * state-based whenever the exercise changes repository objects; answer-only
 * levels intentionally validate the answer entered at the prompt.
 */
internal fun resetLevel(): Level = level(
    id = "reset",
    title = "Reset",
    description = "There are two files to be committed. The goal was to add each file as a separate commit, however both were added by accident. Unstage the file `to_commit_second.rb` using the reset command (don't commit anything).",
    hints = listOf("git status will tell you the command you need to run."),
    commandSuggestions = listOf("git reset to_commit_second.rb"),
    setup = { RepoState(initialized = true, files = listOf(GitFile("to_commit_first.rb", staged = true), GitFile("to_commit_second.rb", staged = true), GitFile("README", tracked = true)), commits = listOf(CommitNode("0000001", "Initial commit")), branches = mapOf("master" to 1)) },
    nativeSetup = {
        resetFiles()
        write("README")
        addCommit("Initial commit", "README")
        write("to_commit_first.rb")
        write("to_commit_second.rb")
        add("to_commit_first.rb", "to_commit_second.rb")
        true
    },
    validator = repoPredicate { repo -> repo.commits.size == 1 && repo.files.any { it.name == "to_commit_first.rb" && it.staged } && repo.files.any { it.name == "to_commit_second.rb" && !it.staged } },
    testCases = listOf(
        levelTestCase("reset path", "git reset to_commit_second.rb"),
        levelTestCase("restore staged path", "git restore --staged to_commit_second.rb"),
    ),
)