FIX bug for active when on last step

Author: ShMcK

src/channel/state/Position.ts

@@ -33,28 +33,28 @@ class Position {
 
 		const {levels} = tutorial.version
 
-		const lastLevelIndex: number | undefined = levels.findIndex((l: G.Level) => progress.levels[l.id])
+		const lastLevelIndex: number | undefined = levels.findIndex((l: G.Level) => !progress.levels[l.id])
 		// TODO: consider all levels complete as progress.complete
 		if (lastLevelIndex >= levels.length) {
 			throw new Error('Error setting progress level')
 		}
-		const currentLevel: G.Level = levels[lastLevelIndex + 1]
+		const currentLevel: G.Level = levels[lastLevelIndex]
 
 		const {stages} = currentLevel
 
-		const lastStageIndex: number | undefined = stages.findIndex((s: G.Stage) => progress.stages[s.id])
+		const lastStageIndex: number | undefined = stages.findIndex((s: G.Stage) => !progress.stages[s.id])
 		if (lastStageIndex >= stages.length) {
 			throw new Error('Error setting progress stage')
 		}
-		const currentStage: G.Stage = stages[lastStageIndex + 1]
+		const currentStage: G.Stage = stages[lastStageIndex]
 
 		const {steps} = currentStage
 
-		const lastStepIndex: number | undefined = steps.findIndex((s: G.Step) => progress.steps[s.id])
+		const lastStepIndex: number | undefined = steps.findIndex((s: G.Step) => !progress.steps[s.id])
 		if (lastStepIndex >= steps.length) {
 			throw new Error('Error setting progress step')
 		}
-		const currentStep: G.Step = steps[lastStepIndex + 1]
+		const currentStep: G.Step = steps[lastStepIndex]
 
 		this.value = {
 			levelId: currentLevel.id,