import * as yup from "yup"
import {AxiosError} from "axios"
import {useFormik} from "formik"
import {MdCheckCircle, MdImage} from "react-icons/md"
import {useTranslation} from "react-i18next"
import React, {ReactElement, useContext} from "react"

import {useMutation} from "@tanstack/react-query"
import {
	Alert,
	Checkbox,
	Collapse,
	FormControlLabel,
	FormGroup,
	FormHelperText,
	Grid,
	InputAdornment,
	MenuItem,
	TextField,
	useMediaQuery,
	useTheme,
} from "@mui/material"
import {LoadingButton} from "@mui/lab"

import {ImageProxyFormatType, ProxyUserAgentType, SimpleDetailResponse} from "~/server-types"
import {UpdatePreferencesData, updatePreferences} from "~/apis"
import {useErrorSuccessSnacks, useUser} from "~/hooks"
import {createEnumMapFromTranslation, parseFastAPIError} from "~/utils"
import {AuthContext, SimplePageBuilder} from "~/components"

interface Form {
	removeTrackers: boolean
	createMailReport: boolean
	proxyImages: boolean
	imageProxyFormat: ImageProxyFormatType
	proxyUserAgent: ProxyUserAgentType
	expandUrlShorteners: boolean
	rejectOnPrivacyLeak: boolean

	detail?: string
}

export default function SettingsAliasPreferencesRoute(): ReactElement {
	const {t} = useTranslation(["aliases", "settings-preferences", "common"])
	const {_updateUser} = useContext(AuthContext)
	const user = useUser()
	const {showError, showSuccess} = useErrorSuccessSnacks()

	const imageProxyMap = createEnumMapFromTranslation(
		"settings.fields.imageProxyFormat.values",
		ImageProxyFormatType,
	)(key => t(key))
	const imageProxyUserAgentMap = createEnumMapFromTranslation(
		"settings.fields.proxyUserAgent.values",
		ProxyUserAgentType,
	)(key => t(key))

	const schema = yup.object().shape({
		removeTrackers: yup.boolean().label(t("settings.fields.removeTrackers.label")),
		createMailReport: yup.boolean().label(t("settings.fields.createMailReport.label")),
		proxyImages: yup.boolean().label(t("settings.fields.proxyImages.label")),
		imageProxyFormat: yup
			.mixed<ImageProxyFormatType>()
			.oneOf(Object.values(ImageProxyFormatType))
			.required()
			.label(t("settings.fields.imageProxyFormat.label")),
		proxyUserAgent: yup
			.mixed<ProxyUserAgentType>()
			.oneOf(Object.values(ProxyUserAgentType))
			.required()
			.label(t("settings.fields.proxyUserAgent.label")),
		expandUrlShorteners: yup.boolean().label(t("settings.fields.expandUrlShorteners.label")),
		rejectOnPrivacyLeak: yup.boolean().label(t("settings.fields.rejectOnPrivacyLeak.label")),
	})

	const {mutateAsync} = useMutation<SimpleDetailResponse, AxiosError, UpdatePreferencesData>(
		updatePreferences,
		{
			onSuccess: (response, values) => {
				const newUser = {
					...user,
					preferences: {
						...user.preferences,
						...values,
					},
				}

				if (response.detail) {
					showSuccess(response?.detail)
				}

				_updateUser(newUser)
			},
			onError: showError,
		},
	)
	const formik = useFormik<Form>({
		validationSchema: schema,
		initialValues: {
			removeTrackers: user.preferences.aliasRemoveTrackers,
			createMailReport: user.preferences.aliasCreateMailReport,
			proxyImages: user.preferences.aliasProxyImages,
			imageProxyFormat: user.preferences.aliasImageProxyFormat,
			proxyUserAgent: user.preferences.aliasProxyUserAgent,
			expandUrlShorteners: user.preferences.aliasExpandUrlShorteners,
			rejectOnPrivacyLeak: user.preferences.aliasRejectOnPrivacyLeak,
		},
		onSubmit: async (values, {setErrors}) => {
			try {
				await mutateAsync({
					aliasRemoveTrackers: values.removeTrackers,
					aliasCreateMailReport: values.createMailReport,
					aliasProxyImages: values.proxyImages,
					aliasImageProxyFormat: values.imageProxyFormat,
					aliasProxyUserAgent: values.proxyUserAgent,
					aliasExpandUrlShorteners: values.expandUrlShorteners,
					aliasRejectOnPrivacyLeak: values.rejectOnPrivacyLeak,
				})
			} catch (error) {
				setErrors(parseFastAPIError(error as AxiosError))
			}
		},
	})
	const theme = useTheme()
	const isLarge = useMediaQuery(theme.breakpoints.up("md"))

	return (
		<SimplePageBuilder.Page
			title={t("title", {ns: "settings-preferences"})}
			description={t("description", {ns: "settings-preferences"})}
		>
			<form onSubmit={formik.handleSubmit}>
				<Grid
					display="flex"
					flexDirection="row"
					container
					spacing={4}
					alignItems="flex-end"
				>
					<Grid item md={6} xs={12}>
						<FormGroup>
							<FormControlLabel
								disabled={formik.isSubmitting}
								control={
									<Checkbox
										name="removeTrackers"
										id="removeTrackers"
										checked={formik.values.removeTrackers}
										onChange={formik.handleChange}
										onBlur={formik.handleBlur}
									/>
								}
								labelPlacement="start"
								label={t("settings.fields.removeTrackers.label")}
							/>
							<FormHelperText
								error={Boolean(
									formik.touched.createMailReport &&
										formik.errors.createMailReport,
								)}
							>
								{(formik.touched.createMailReport &&
									formik.errors.createMailReport) ||
									t("settings.fields.removeTrackers.helperText")}
							</FormHelperText>
						</FormGroup>
					</Grid>
					<Grid item md={6} xs={12}>
						<FormGroup>
							<FormControlLabel
								disabled={formik.isSubmitting}
								control={
									<Checkbox
										name="createMailReport"
										id="createMailReport"
										checked={formik.values.createMailReport}
										onChange={formik.handleChange}
										onBlur={formik.handleBlur}
									/>
								}
								labelPlacement="start"
								label={t("settings.fields.createMailReport.label")}
							/>
							<FormHelperText
								error={Boolean(
									formik.touched.createMailReport &&
										formik.errors.createMailReport,
								)}
							>
								{(formik.touched.createMailReport &&
									formik.errors.createMailReport) ||
									t("settings.fields.createMailReport.helperText")}
							</FormHelperText>
						</FormGroup>
					</Grid>
					<Grid item xs={12}>
						<FormGroup>
							<FormControlLabel
								disabled={formik.isSubmitting}
								control={
									<Checkbox
										name="proxyImages"
										id="proxyImages"
										checked={formik.values.proxyImages}
										onChange={formik.handleChange}
										onBlur={formik.handleBlur}
									/>
								}
								labelPlacement="start"
								label={t("settings.fields.proxyImages.label")}
							/>
							<FormHelperText
								error={Boolean(
									formik.touched.proxyImages && formik.errors.proxyImages,
								)}
							>
								{(formik.touched.proxyImages && formik.errors.proxyImages) ||
									t("settings.fields.proxyImages.helperText")}
							</FormHelperText>
							<Alert
								sx={{width: "fit-content", alignSelf: "end", marginTop: 1}}
								severity="warning"
							>
								{t("general.experimentalFeatureExplanation", {ns: "common"})}
							</Alert>
						</FormGroup>
						<Collapse in={formik.values.proxyImages}>
							<Grid
								display="flex"
								flexDirection={isLarge ? "row" : "column"}
								container
								marginY={2}
								spacing={4}
								alignItems={isLarge ? "flex-start" : "flex-end"}
							>
								<Grid item md={6} xs={12}>
									<FormGroup>
										<TextField
											fullWidth
											select
											InputProps={{
												startAdornment: (
													<InputAdornment position="start">
														<MdImage />
													</InputAdornment>
												),
											}}
											name="imageProxyFormat"
											id="imageProxyFormat"
											label={t("settings.fields.imageProxyFormat.label")}
											value={formik.values.imageProxyFormat}
											onChange={formik.handleChange}
											disabled={formik.isSubmitting}
											error={
												formik.touched.imageProxyFormat &&
												Boolean(formik.errors.imageProxyFormat)
											}
											helperText={
												formik.touched.imageProxyFormat &&
												formik.errors.imageProxyFormat
											}
										>
											{Object.entries(imageProxyMap).map(
												([value, translationString]) => (
													<MenuItem key={value} value={value}>
														{t(translationString)}
													</MenuItem>
												),
											)}
										</TextField>
										<FormHelperText
											error={Boolean(
												formik.touched.imageProxyFormat &&
													formik.errors.imageProxyFormat,
											)}
										>
											{formik.touched.imageProxyFormat &&
												formik.errors.imageProxyFormat}
										</FormHelperText>
									</FormGroup>
								</Grid>
							</Grid>
						</Collapse>
					</Grid>
					<Grid item xs={12}>
						<FormGroup>
							<TextField
								fullWidth
								select
								name="proxyUserAgent"
								id="proxyUserAgent"
								label={t("settings.fields.proxyUserAgent.label")}
								value={formik.values.proxyUserAgent}
								onChange={formik.handleChange}
								disabled={formik.isSubmitting}
								error={
									formik.touched.proxyUserAgent &&
									Boolean(formik.errors.proxyUserAgent)
								}
								helperText={
									formik.touched.proxyUserAgent && formik.errors.proxyUserAgent
								}
							>
								{Object.entries(imageProxyUserAgentMap).map(
									([value, translationString]) => (
										<MenuItem key={value} value={value}>
											{t(translationString)}
										</MenuItem>
									),
								)}
							</TextField>
							<FormHelperText
								error={Boolean(
									formik.touched.proxyUserAgent && formik.errors.proxyUserAgent,
								)}
							>
								{(formik.touched.proxyUserAgent && formik.errors.proxyUserAgent) ||
									t("settings.fields.proxyUserAgent.helperText")}
							</FormHelperText>
						</FormGroup>
					</Grid>
					<Grid item xs={12}>
						<FormGroup>
							<FormControlLabel
								disabled={formik.isSubmitting}
								control={
									<Checkbox
										name="expandUrlShorteners"
										id="expandUrlShorteners"
										checked={formik.values.expandUrlShorteners}
										onChange={formik.handleChange}
										onBlur={formik.handleBlur}
									/>
								}
								labelPlacement="start"
								label={t("settings.fields.expandUrlShorteners.label")}
							/>
							<FormHelperText
								error={Boolean(
									formik.touched.expandUrlShorteners &&
										formik.errors.expandUrlShorteners,
								)}
							>
								{(formik.touched.expandUrlShorteners &&
									formik.errors.expandUrlShorteners) ||
									t("settings.fields.expandUrlShorteners.helperText")}
							</FormHelperText>
							<Alert
								sx={{width: "fit-content", alignSelf: "end", marginTop: 1}}
								severity="warning"
							>
								{t("general.experimentalFeatureExplanation", {ns: "common"})}
							</Alert>
						</FormGroup>
					</Grid>
					<Grid item xs={12}>
						<FormGroup>
							<FormControlLabel
								disabled={formik.isSubmitting}
								control={
									<Checkbox
										name="rejectOnPrivacyLeak"
										id="rejectOnPrivacyLeak"
										checked={formik.values.rejectOnPrivacyLeak}
										onChange={formik.handleChange}
										onBlur={formik.handleBlur}
									/>
								}
								labelPlacement="start"
								label={t("settings.fields.rejectOnPrivacyLeak.label")}
							/>
							<FormHelperText
								error={Boolean(
									formik.touched.rejectOnPrivacyLeak &&
										formik.errors.rejectOnPrivacyLeak,
								)}
							>
								{(formik.touched.rejectOnPrivacyLeak &&
									formik.errors.rejectOnPrivacyLeak) ||
									t("settings.fields.rejectOnPrivacyLeak.helperText")}
							</FormHelperText>
						</FormGroup>
					</Grid>
				</Grid>
				<LoadingButton
					loading={formik.isSubmitting}
					variant="contained"
					type="submit"
					startIcon={<MdCheckCircle />}
				>
					{t("continueActionLabel", {ns: "settings-preferences"})}
				</LoadingButton>
			</form>
		</SimplePageBuilder.Page>
	)
}