// Тест SettingsStore: темы, размеры панелей, режимы просмотра, провайдеры, хранилища
#include <QCoreApplication>
#include <QTemporaryDir>
#include <QDir>
#include <QSettings>
#include <cstdio>

#include "core/SettingsStore.h"

static int fail(const char *msg, const QString &detail = QString()) {
    std::fprintf(stderr, "FAIL: %s %s\n", msg, qPrintable(detail));
    return 1;
}

int main(int argc, char *argv[])
{
    QCoreApplication app(argc, argv);
    app.setOrganizationName("FloraTestSettings");
    app.setApplicationName("flora_settings_test");

    QTemporaryDir dir;
    if (!dir.isValid()) return fail("temp dir");
    QSettings::setPath(QSettings::IniFormat, QSettings::UserScope, dir.path());
    QSettings::setDefaultFormat(QSettings::IniFormat);

    SettingsStore s;

    // vaults
    s.addVault("/tmp/vault1");
    s.addVault("/tmp/vault2/");
    s.addVault("/tmp/vault1"); // deduplication, vault1 should move to front
    QStringList v = s.vaults();
    if (v.size() != 2) return fail("vaults size", QString::number(v.size()));
    if (QDir::cleanPath(v.first()) != "/tmp/vault1") return fail("vault order", v.first());
    if (!s.hasVault("/tmp/vault1/")) return fail("hasVault with trailing slash");
    if (s.hasVault("/tmp/vault3")) return fail("hasVault false positive");

    if (s.currentVault() != "/tmp/vault1") return fail("currentVault", s.currentVault());

    s.setCurrentVault("/tmp/vault2");
    if (s.currentVault() != "/tmp/vault2") return fail("setCurrentVault");

    // providers
    s.addProvider("github", {{"token","abc"},{"url","https://github.com"}});
    if (s.providers().size() != 1) return fail("providers size");
    s.addProvider("github", {{"token","xyz"}});
    if (s.providers().size() != 1) return fail("provider update should not duplicate");
    if (s.providers().first().toMap().value("token").toString() != "xyz") return fail("provider update token");
    s.addProvider("gitlab", {{"token","123"}});
    if (s.providers().size() != 2) return fail("second provider");
    s.clearProvider("github");
    if (s.providers().size() != 1) return fail("clearProvider");
    s.clearProvider("nonexistent");
    if (s.providers().size() != 1) return fail("clear nonexistent changed size");

    // theme
    if (s.theme() != "light") return fail("default theme");
    s.setTheme("dark");
    if (s.theme() != "dark") return fail("setTheme dark");
    s.setTheme("dark"); // duplicate should not emit but not fail
    s.setTheme("invalid");
    if (s.theme() != "light") return fail("invalid theme should fallback to light");
    s.setTheme("dark");
    // persistence check via new instance
    {
        SettingsStore s2;
        if (s2.theme() != "dark") return fail("theme persistence");
    }

    // panel widths
    if (s.leftPanelWidth() != 220) return fail("default left width");
    s.setLeftPanelWidth(300);
    if (s.leftPanelWidth() != 300) return fail("setLeft 300");
    s.setLeftPanelWidth(50); // clamp
    if (s.leftPanelWidth() != 100) return fail("clamp low");
    s.setLeftPanelWidth(900);
    if (s.leftPanelWidth() != 800) return fail("clamp high");
    s.setLeftPanelWidth(300);
    s.setRightPanelWidth(350);
    if (s.rightPanelWidth() != 350) return fail("setRight");

    // viewMode
    const QString vault = "/tmp/vault1";
    const QString file = "/tmp/vault1/notes/a.md";
    if (s.viewModeForFile(vault, file) != "edit") return fail("default viewMode");
    s.setViewModeForFile(vault, file, "preview");
    if (s.viewModeForFile(vault, file) != "preview") return fail("preview mode");
    s.setViewModeForFile(vault, file, "live");
    if (s.viewModeForFile(vault, file) != "live") return fail("live mode");
    s.setViewModeForFile(vault, file, "invalid");
    if (s.viewModeForFile(vault, file) != "edit") return fail("invalid mode fallback");
    // different file should be independent
    const QString file2 = "/tmp/vault1/notes/b.md";
    if (s.viewModeForFile(vault, file2) != "edit") return fail("independent file mode");
    s.setViewModeForFile(vault, file2, "preview");
    if (s.viewModeForFile(vault, file) != "edit") return fail("file1 after file2 change");
    if (s.viewModeForFile(vault, file2) != "preview") return fail("file2 preview");

    // empty vault/file
    if (s.viewModeForFile("", file) != "edit") return fail("empty vault");
    if (s.viewModeForFile(vault, "") != "edit") return fail("empty file");
    s.setViewModeForFile("", file, "preview"); // should not crash

    // persistence of viewMode with encoded slash
    {
        SettingsStore s2;
        if (s2.viewModeForFile(vault, file2) != "preview") return fail("viewMode persistence");
    }

    // old format migration: simulate old key "vault|rel"
    {
        QSettings raw;
        QVariantMap root;
        root.insert(vault + "|" + "old.md", QStringLiteral("preview"));
        raw.setValue("ui/viewModes", root);
        raw.sync();
        SettingsStore s3;
        // old key should still be read
        if (s3.viewModeForFile(vault, vault + "/old.md") != "preview") return fail("old format migration read");
        s3.setViewModeForFile(vault, vault + "/old.md", "live");
        // old key should be removed after set
        QSettings check;
        QVariantMap after = check.value("ui/viewModes").toMap();
        if (after.contains(vault + "|" + "old.md")) return fail("old key not migrated");
    }

    // autosave presets
    if (s.autosavePreset() != "balanced") return fail("default preset");
    if (s.autosaveDiskMs() != 5000) return fail("balanced disk");
    if (s.autocommitIdleMs() != 15000) return fail("balanced idle");
    if (!s.autosaveEnabled() || !s.autocommitEnabled()) return fail("balanced enabled");
    s.setAutosavePreset("safe");
    if (s.autosavePreset() != "safe") return fail("safe preset");
    if (s.autosaveDiskMs() != 2000 || s.autocommitIdleMs() != 5000) return fail("safe values");
    s.setAutosavePreset("eco");
    if (s.autosaveDiskMs() != 10000 || s.autocommitIdleMs() != 60000) return fail("eco values");
    s.setAutosavePreset("manual");
    if (s.autosaveEnabled() || s.autocommitEnabled()) return fail("manual disabled");
    if (s.autosaveDiskMs() != 0 || s.autocommitIdleMs() != 0) return fail("manual zeros");
    s.setAutosavePreset(" wat? ");
    if (s.autosavePreset() != "balanced") return fail("invalid preset fallback");
    s.setAutosavePreset("eco");
    {
        SettingsStore s2;
        if (s2.autosavePreset() != "eco") return fail("preset persistence");
        if (s2.autosaveDiskMs() != 10000) return fail("preset values persistence");
    }

    std::printf("SETTINGS TEST OK\n");
    return 0;
}