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import { KeyValueStore } from 'effect/persistence'
import { Command, Update } from 'foldkit'
import { modifyFields } from 'foldkit/struct'
import { BrowserKeyValueStore } from '@effect/platform-browser'
import { RadioGroup } from '@foldkit/ui'
import { GridToggles, MapStyle } from '../../core/domain'
import { type ProfileId, gridTogglesFor } from '../../core/systems/profiles'
import { Message } from './message'
import { type Model, STORAGE_KEY, Values, ValuesJsonString } from './model'
import {
BasemapRadioGroup,
ProfileRadioGroup,
ProjectionRadioGroup,
} from './radioGroup'
type UpdateReturn = Update.Return<Model, Message>
/** Apply a change to the saved values and save them. */
const updateValues = (
model: Model,
toNextValues: (values: Values) => Values,
): UpdateReturn => {
const nextModel = modifyFields(model, { values: toNextValues })
return {
model: nextModel,
commands: [SaveSettings({ values: nextModel.values })],
}
}
type Step = Update.Step<Model, Message>
/** Choosing a profile also sets every grid toggle to that profile's grids. */
const foldProfileRadioGroupOutMessage = RadioGroup.OutMessage.match<
Step,
RadioGroup.OutMessage<ProfileId>
>({
Selected:
({ value }) =>
stepModel =>
updateValues(
stepModel,
modifyFields({
profile: () => value,
grids: () => gridTogglesFor(value),
}),
),
})
const foldProfileRadioGroup = Update.foldChild({
update: ProfileRadioGroup.update,
read: (model: Model) => Option.some(model.profileRadioGroup),
write: (model, nextProfileRadioGroup) =>
modifyFields(model, { profileRadioGroup: () => nextProfileRadioGroup }),
toParentMessage: message => Message.GotProfileRadioGroupMessage({ message }),
foldOutMessage: foldProfileRadioGroupOutMessage,
})
const foldBasemapRadioGroupOutMessage = RadioGroup.OutMessage.match<
Step,
RadioGroup.OutMessage<MapStyle.Basemap>
>({
Selected:
({ value }) =>
stepModel =>
updateValues(stepModel, modifyFields({ basemap: () => value })),
})
const foldBasemapRadioGroup = Update.foldChild({
update: BasemapRadioGroup.update,
read: (model: Model) => Option.some(model.basemapRadioGroup),
write: (model, nextBasemapRadioGroup) =>
modifyFields(model, { basemapRadioGroup: () => nextBasemapRadioGroup }),
toParentMessage: message => Message.GotBasemapRadioGroupMessage({ message }),
foldOutMessage: foldBasemapRadioGroupOutMessage,
})
const foldProjectionRadioGroupOutMessage = RadioGroup.OutMessage.match<
Step,
RadioGroup.OutMessage<MapStyle.Projection>
>({
Selected:
({ value }) =>
stepModel =>
updateValues(stepModel, modifyFields({ projection: () => value })),
})
const foldProjectionRadioGroup = Update.foldChild({
update: ProjectionRadioGroup.update,
read: (model: Model) => Option.some(model.projectionRadioGroup),
write: (model, nextProjectionRadioGroup) =>
modifyFields(model, {
projectionRadioGroup: () => nextProjectionRadioGroup,
}),
toParentMessage: message =>
Message.GotProjectionRadioGroupMessage({ message }),
foldOutMessage: foldProjectionRadioGroupOutMessage,
})
// UPDATE
export const update = (model: Model, message: Message) =>
Message.match<UpdateReturn>(message, {
ToggledGrid: ({ gridId }) =>
updateValues(model, modifyFields({ grids: GridToggles.toggle(gridId) })),
ToggledGridLabels: () =>
updateValues(model, modifyFields({ isGridLabelsVisible: Boolean.not })),
ToggledRangeRings: () =>
updateValues(model, modifyFields({ isRangeRingsVisible: Boolean.not })),
SelectedMgrsPrecision: ({ precision }) =>
updateValues(model, modifyFields({ mgrsPrecision: () => precision })),
SelectedGarsPrecision: ({ precision }) =>
updateValues(model, modifyFields({ garsPrecision: () => precision })),
SelectedTileZoom: ({ zoom }) =>
updateValues(model, modifyFields({ tileZoom: () => zoom })),
SelectedRingSpacing: ({ spacing }) =>
updateValues(model, modifyFields({ ringSpacing: () => spacing })),
SelectedRingUnit: ({ unit }) =>
updateValues(model, modifyFields({ ringUnit: () => unit })),
ToggledPanel: ({ isOpen }) =>
updateValues(model, modifyFields({ isPanelOpen: () => isOpen })),
GotProfileRadioGroupMessage: ({ message }) =>
foldProfileRadioGroup(model, message),
GotBasemapRadioGroupMessage: ({ message }) =>
foldBasemapRadioGroup(model, message),
GotProjectionRadioGroupMessage: ({ message }) =>
foldProjectionRadioGroup(model, message),
SucceededSaveSettings: () => ({ model }),
// NOTE: a failed save only loses persistence; the settings still apply for this visit.
FailedSaveSettings: () => ({ model }),
})
// COMMAND
export const SaveSettings = Command.define('SaveSettings', {
args: { values: Values },
messages: [Message.SucceededSaveSettings, Message.FailedSaveSettings],
execute: ({ values }) =>
Effect.gen(function* () {
// NOTE: KeyValueStore is marked unstable in Effect 4; Foldkit's examples use it for localStorage too.
// @effect-diagnostics-next-line unstableApiUsage:off
const store = yield* KeyValueStore.KeyValueStore
const encoded = yield* Schema.encodeEffect(ValuesJsonString)(values)
yield* store.set(STORAGE_KEY, encoded)
return Message.SucceededSaveSettings()
}).pipe(
Effect.provide(BrowserKeyValueStore.layerLocalStorage),
Effect.catch(() => Effect.succeed(Message.FailedSaveSettings())),
),
})
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