//
//  Copyright (c) 2021 Open Whisper Systems. All rights reserved.
//

import Foundation

@objc
class TestingViewController: OWSTableViewController2 {
    override func viewDidLoad() {
        super.viewDidLoad()

        title = LocalizationNotNeeded("Testing")

        updateTableContents()
    }

    func updateTableContents() {
        let contents = OWSTableContents()

        do {
            let section = OWSTableSection()
            section.footerTitle = LocalizationNotNeeded("These values are temporary and will reset on next launch of the app.")
            contents.addSection(section)
        }

        do {
            let section = OWSTableSection()
            section.footerTitle = LocalizationNotNeeded("This will reset all of these flags to their default values.")
            section.add(OWSTableItem.actionItem(withText: LocalizationNotNeeded("Reset all testable flags.")) { [weak self] in
                NotificationCenter.default.post(name: TestableFlag.ResetAllTestableFlagsNotification, object: nil)
                self?.updateTableContents()
            })
            contents.addSection(section)
        }

        func buildSwitchItem(title: String, testableFlag: TestableFlag) -> OWSTableItem {
            OWSTableItem.switch(withText: title,
                                isOn: { testableFlag.get() },
                                target: testableFlag,
                                selector: testableFlag.switchSelector)
        }

        var testableFlags = FeatureFlags.allTestableFlags + DebugFlags.allTestableFlags
        testableFlags.sort { (lhs, rhs) -> Bool in
            lhs.title < rhs.title
        }

        for testableFlag in testableFlags {
            let section = OWSTableSection()
            section.footerTitle = testableFlag.details
            section.add(buildSwitchItem(title: testableFlag.title, testableFlag: testableFlag))
            contents.addSection(section)
        }

        // MARK: - Other

        do {
            let section = OWSTableSection()
            section.footerTitle = LocalizationNotNeeded("Make sure to force-enable auto-migrations above first.")
            section.add(OWSTableItem.actionItem(withText: LocalizationNotNeeded("Groups v2: Auto-migrate all v1 groups")) {
                GroupsV2Migration.tryToAutoMigrateAllGroups(shouldLimitBatchSize: false)
            })
            contents.addSection(section)
        }

        self.contents = contents
    }
}