note: some technologies modified to not reveal IP (in curly brackets - {})

Prompt

Add the following feature:

1. A cookie consent dialog in {language_x}. A neatly styled popup at the bottom right.
2. Save the user's Language Preference choice on the landing page.
3. Whenever the root page route of the app is requested, check storage and route to the appropriate page with the value of the language choice variable being set (retrieved from local storage)
4. Add a back button on the nav header to change language, which will take you back to the first screen.

Agent Output

Let's proceed with the required critical thinking and planning before any code is written, as per your rules.

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ASSUMPTION VERIFICATION PROTOCOL

Assumptions (to be verified/challenged):

1. Input Data Types/Formats:

   • Language preference is a string, either '{insert_locale_1}' or '{insert_locale_2}'.
   • Cookie consent is a boolean (accepted or not).
   • Local storage is available and reliable in the browser.

2. System Environment/Dependencies:

   • {insert_web_framework_here} app, using functional components and hooks.
   • Routing is handled (likely by {insert_routing_library}, but not yet confirmed).
   • Styling is via {insert_fancy_ui_tech_here} (based on class names).
   • No existing cookie consent or language preference logic.

3. User Intentions/Use Cases:

   • User lands on the root page, chooses a language, and is routed accordingly.
   • User can change language via a back button in the nav header.
   • Cookie consent must be shown in {language_X}, styled, and only once per user.

4. Edge Cases/Error Conditions:

   • User disables cookies/local storage.
   • User changes language after initial selection.
   • User never accepts cookie consent.
   • User visits directly to a subpage (not root).

5. Performance Requirements:

   • No heavy performance constraints; all logic is UI/UX and local storage.

6. Integration Points:

   • Local storage for language and consent.
   • Routing (need to confirm {library_x} in use).

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CHALLENGE ASSUMPTIONS

• Is React Router in use? Not confirmed. Need to check for {library_x} or similar.
• Is there a language selection page? There is a {the_right_file_identified} in {folder}.
• Is there a XYZ component? Yes, in {src/...}.
• Is there a global state management? Not evident; likely using local storage and {abc}
• Is there a cookie consent already? No evidence of one.

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PROBLEM DECOMPOSITION

Subtasks

1. Cookie Consent Dialog

   • Create a component for cookie consent in {language}.
   • Style it for bottom-right display.
   • Show only if not previously accepted (check local storage).
   • Save acceptance in local storage.

2. Save Language Preference

   • On language selection, save choice to local storage.
   • Ensure language is used throughout the app.

3. Root Page Routing

   • On root route, check for language in local storage.
   • If found, route to appropriate page and set language.
   • If not, show language selection.

4. Back Button in {abc component}

   • Add a back/change language button.
   • On click, route to language selection and allow change.

Dependencies:

• Cookie consent is independent.
• Language preference and routing are tightly coupled.
• Back button depends on {abc} and routing.

Complexity:

• Cookie consent: Simple
• Language preference: Simple
• Routing logic: Medium (depends on {xyz_library} setup)
• Back button: Simple

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SOLUTION APPROACHES

1. Cookie Consent Dialog

Approach 1: Custom {tech_asdf} component, {tech-thing} managed locally, uses local storage. Approach 2: Use a third-party cookie consent library, customize language and style. Approach 3: Use a {not needed for this demonstration}

• Best: Approach 1 (full control, simple, no extra deps).

2. Save Language Preference

Approach 1: Save to local storage on selection, read on app load. Approach 2: Use {tech_asdf} context for language, persist to local storage. Approach 3: Use URL params to store language, fallback to local storage.

• Best: Approach 1 (simple, robust, matches requirements).

3. Root Page Routing

Approach 1: In root page component, check local storage and redirect. Approach 2: Use a higher-order {thing1} or layout to check on every route. Approach 3: Use a custom {thing2} to check and redirect.

• Best: Approach 1 (minimal, clear, only on root).

4. Back Button in {component1}

Approach 1: Add a button that routes to language selection. Approach 2: Use browser history back. Approach 3: Dropdown in {component1} to change language.

• Best: Approach 1 (explicit, user-friendly).

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EDGE CASES & FAILURE MODES

• Local storage unavailable: fallback to in-memory state, warn user.
• User clears storage: will see consent and language selection again.
• User navigates directly to subpages: may need to enforce language preference there too. ({nice!})
• Multiple tabs: changes in one tab not reflected in others (acceptable for this use case). ({nice!})

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REMAINING UNCERTAINTIES

• What {lib_xeresdd} is in use? (Assume {lib_dsdsds}, will verify)
• Should the language preference be changeable at any time, or only via the back button?
• Should the cookie consent be shown in both languages, or only {language_x}? (Requirement says {language_x} only.)

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NEXT STEPS

1. Verify {lib_asda} in use and how navigation is handled.
2. Check how language is currently selected and passed through the app.
3. Check {component_sds} implementation for adding a back button.
4. Plan file/component changes.

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Please confirm:

• Is {lib_asda} (or another {thingie}) in use?
• Should the cookie consent ever be shown in {language2}, or only {language1}?
• Is the language selection page the only place to change language, or should it be possible from anywhere?

Once confirmed, I will proceed with the implementation plan and code.

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1. Read through
2. Answer questions diligently and thoroughly
3. Press teh button
4. Ooh nice i liek
5. Review and change if necessary
6. ???
7. Profit!

with love: L Scheepers ❤️

enjoy 🎉!