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import type { PageServerLoad, Actions } from './$types';
import {
selectNextExercise,
initializeDomainStates,
type AssessmentExercise,
type DomainState,
type ExerciseDomain,
} from '$lib/assessment/adaptive-assessment';
import { ExerciseReadiness } from '@strengthsys/shared';
const VALID_READINESS = Object.values(ExerciseReadiness) as string[];
/** Default mesocycle duration in days (9-week cycle). */
const MESOCYCLE_DAYS = 63;
/** Finalise a completed assessment: transition onboarding status and fire the auto-start. */
async function finaliseAssessment(
supabase: Parameters<PageServerLoad>[0]['locals']['supabase'],
assessmentId: string,
userId: string
): Promise<{ error: string | null; redirectTo: string }> {
const today = new Date();
const endDate = new Date(today);
endDate.setDate(endDate.getDate() + MESOCYCLE_DAYS);
const { error } = await supabase.rpc('complete_assessment', {
p_assessment_id: assessmentId,
p_mesocycle_start: today.toISOString().slice(0, 10),
p_mesocycle_end: endDate.toISOString().slice(0, 10),
});
if (error) {
console.error({ event: 'complete_assessment_failed', message: error.message, code: error.code });
return { error: 'Something went wrong completing your assessment. Please try again.', redirectTo: '/dashboard' };
}
// Read programme_source to decide the post-assessment path (#267).
// Defaults to 'ai' on error (fail-safe: preserves existing behaviour).
const { data: programmeSource, error: sourceError } = await supabase.rpc('get_programme_source');
Iif (sourceError) {
console.error({
event: 'get_programme_source_failed_in_finalise',
code: sourceError.code,
message: sourceError.message,
});
}
Iif (programmeSource === 'preset') {
// Preset mode: skip create-mesocycle — gating in complete_assessment already
// suppresses the placeholder insert. Send athlete to preset library.
return { error: null, redirectTo: '/presets' };
}
// AutoStartFirstMesocycle: fire-and-forget. Do NOT await — the athlete
// should reach /dashboard immediately while the Edge Function runs async.
// invoke() never rejects — errors come back in the resolved { data, error }
// shape. The dashboard's polling state covers recovery if this fails.
void supabase.functions
.invoke('create-mesocycle', { body: { athlete_id: userId } })
.then(({ error: invokeError }) => {
if (invokeError) {
console.error({
event: 'auto_start_mesocycle_failed',
message: invokeError.message,
code: (invokeError as { code?: string }).code,
});
}
});
return { error: null, redirectTo: '/dashboard' };
}
export const load: PageServerLoad = async ({ parent, locals: { supabase } }) => {
const { athlete } = await parent();
Iif (!athlete?.onboarding_status) {
redirect(303, '/onboarding');
}
Iif (athlete.onboarding_status !== 'parq_complete') {
// assessed or full → already done
redirect(303, '/dashboard');
}
Iif (!athlete.experience_level) {
redirect(303, '/onboarding');
}
// Begin (or resume) the assessment — idempotent
const { data: assessmentId, error: beginError } = await supabase.rpc('begin_assessment', {
p_athlete_id: athlete.id,
p_experience_level: athlete.experience_level,
});
Iif (beginError || !assessmentId) {
// Assessment already complete (DB state inconsistency) — redirect to dashboard
if (beginError?.code === 'P0002') {
redirect(303, '/dashboard');
}
throw new Error(`begin_assessment failed: ${beginError?.message ?? 'no id returned'}`);
}
// Fetch domain states for this assessment
const { data: rawDomainStates } = await supabase
.from('domain_assessment_states')
.select('domain, current_tier, escalation_status')
.eq('assessment_id', assessmentId);
// Fetch the assessment row for exercises_assessed count
const { data: assessmentRow } = await supabase
.from('familiarity_assessments')
.select('exercises_assessed')
.eq('id', assessmentId)
.single();
const exercisesAssessed = assessmentRow?.exercises_assessed ?? 0;
// Build DomainState array — add exercises_assessed_count (not in DB, set to 0 since
// it's only used within a single selectNextExercise call for round-robin tie-breaking)
const domainStates: DomainState[] = (rawDomainStates ?? []).map((row) => ({
domain: row.domain as ExerciseDomain,
current_tier: row.current_tier as DomainState['current_tier'],
escalation_status: row.escalation_status as DomainState['escalation_status'],
exercises_assessed_count: 0,
}));
// If domain states are missing (shouldn't happen after begin_assessment), use defaults
const effectiveDomainStates =
domainStates.length > 0 ? domainStates : initializeDomainStates();
// Fetch already-assessed exercise IDs for this athlete
const { data: familiarityRows } = await supabase
.from('exercise_familiarities')
.select('exercise_id')
.eq('athlete_id', athlete.id);
const assessedExerciseIds = new Set<string>(
(familiarityRows ?? []).map((r) => r.exercise_id)
);
// Fetch all non-custom exercises
const { data: rawExercises } = await supabase
.from('exercises')
.select('id, name, domain, difficulty_tier, is_custom')
.eq('is_custom', false);
const exercises: AssessmentExercise[] = (rawExercises ?? []).map((e) => ({
id: e.id,
name: e.name,
domain: e.domain as ExerciseDomain,
difficulty_tier: e.difficulty_tier as AssessmentExercise['difficulty_tier'],
is_custom: e.is_custom,
}));
// Select next exercise
const result = selectNextExercise(
effectiveDomainStates,
assessedExerciseIds,
exercises,
athlete.experience_level
);
// Handle auto-completed domains: mark them as boundary_found in DB
Iif (result.autoCompletedDomains.length > 0) {
await supabase
.from('domain_assessment_states')
.update({ escalation_status: 'boundary_found' })
.eq('assessment_id', assessmentId)
.in('domain', result.autoCompletedDomains);
}
Eif (result.kind === 'complete') {
// Assessment is done — finalise it and redirect (destination depends on programme_source)
const { error: finaliseError, redirectTo } = await finaliseAssessment(supabase, assessmentId, athlete.id);
Iif (finaliseError) {
throw new Error(finaliseError);
}
redirect(303, redirectTo);
}
return {
exercise: result.exercise,
exercisesAssessed,
assessmentId,
};
};
export const actions: Actions = {
default: async ({ request, locals: { supabase, safeGetSession } }) => {
const { user } = await safeGetSession();
if (!user) {
redirect(303, '/login');
}
const formData = await request.formData();
const assessmentId = formData.get('assessment_id');
const exerciseId = formData.get('exercise_id');
const rawReadiness = formData.get('readiness');
if (typeof assessmentId !== 'string' || !assessmentId) {
return fail(400, { error: 'Missing assessment_id.' });
}
Iif (typeof exerciseId !== 'string' || !exerciseId) {
return fail(400, { error: 'Missing exercise_id.' });
}
if (typeof rawReadiness !== 'string' || !VALID_READINESS.includes(rawReadiness as ExerciseReadiness)) {
return fail(400, { error: 'Please select a familiarity rating before continuing.' });
}
// Defence-in-depth: verify the submitted assessment_id belongs to this user
// (RLS also enforces this, but an explicit check guards against future RLS changes)
const { data: ownedAssessment } = await supabase
.from('familiarity_assessments')
.select('id')
.eq('id', assessmentId)
.eq('athlete_id', user.id)
.single();
if (!ownedAssessment) {
return fail(403, { error: 'Assessment not found.' });
}
const readiness = rawReadiness as ExerciseReadiness;
// Record the response via RPC
const { data: rpcResult, error: rpcError } = await supabase.rpc(
'record_assessment_response',
{
p_assessment_id: assessmentId,
p_exercise_id: exerciseId,
p_readiness: readiness,
}
);
Iif (rpcError) {
console.error({ event: 'record_assessment_response_failed', message: rpcError.message, code: rpcError.code });
return fail(500, { error: 'Something went wrong recording your response. Please try again.' });
}
const result = rpcResult as {
is_complete: boolean;
exercises_assessed: number;
domain_states: Array<{ domain: string; current_tier: string; escalation_status: string }>;
};
if (result.is_complete) {
// Assessment is complete — finalise and redirect (destination depends on programme_source)
const { error: finaliseError, redirectTo } = await finaliseAssessment(supabase, assessmentId, user.id);
if (finaliseError) {
return fail(500, { error: finaliseError });
}
redirect(303, redirectTo);
}
// Not complete — let SvelteKit re-run the load function to select the next exercise.
return {};
},
};
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