import { useAuthUser } from 'hooks/api/getters/useAuth/useAuthUser';
import {
    Box,
    Grid,
    IconButton,
    Link,
    List,
    ListItem,
    ListItemButton,
    styled,
    Typography,
} from '@mui/material';
import type { Theme } from '@mui/material/styles/createTheme';
import { ProjectIcon } from 'component/common/ProjectIcon/ProjectIcon';
import { type FC, useEffect, useState } from 'react';
import { useProfile } from 'hooks/api/getters/useProfile/useProfile';
import LinkIcon from '@mui/icons-material/Link';
import { Badge } from '../common/Badge/Badge';
import { ConnectSDK, CreateFlag } from './ConnectSDK';
import { PlaceholderFlagMetricsChart } from './FlagMetricsChart';

const ScreenExplanation = styled(Typography)(({ theme }) => ({
    marginTop: theme.spacing(1),
    marginBottom: theme.spacing(8),
    maxWidth: theme.spacing(45),
}));

const StyledHeaderTitle = styled(Typography)(({ theme }) => ({
    fontSize: theme.typography.h2.fontSize,
    fontWeight: 'normal',
    marginBottom: theme.spacing(2),
}));

const ContentGrid = styled(Grid)(({ theme }) => ({
    backgroundColor: theme.palette.background.paper,
    borderRadius: `${theme.shape.borderRadiusLarge}px`,
}));

const ProjectBox = styled(Box)(({ theme }) => ({
    display: 'flex',
    gap: theme.spacing(2),
    alignItems: 'center',
    width: '100%',
}));

const projectStyle = (theme: Theme) => ({
    borderRadius: theme.spacing(0.5),
    borderLeft: `${theme.spacing(0.5)} solid transparent`,
    '&.Mui-selected': {
        borderLeft: `${theme.spacing(0.5)} solid ${theme.palette.primary.main}`,
    },
    display: 'flex',
    flexDirection: 'column',
    alignItems: 'flex-start',
    gap: theme.spacing(1),
});

export const StyledCardTitle = styled('div')<{ lines?: number }>(
    ({ theme, lines = 2 }) => ({
        fontWeight: theme.typography.fontWeightRegular,
        fontSize: theme.typography.body1.fontSize,
        lineClamp: `${lines}`,
        WebkitLineClamp: lines,
        lineHeight: '1.2',
        display: '-webkit-box',
        boxOrient: 'vertical',
        textOverflow: 'ellipsis',
        overflow: 'hidden',
        alignItems: 'flex-start',
        WebkitBoxOrient: 'vertical',
        wordBreak: 'break-word',
    }),
);

const ActiveProjectDetails: FC<{
    project: { flags: number; members: number; health: number };
}> = ({ project }) => {
    return (
        <Box sx={{ display: 'flex', gap: 2 }}>
            <Box sx={{ display: 'flex', flexDirection: 'column' }}>
                <Typography variant='subtitle2' color='primary'>
                    {project.flags}
                </Typography>
                <Typography variant='caption' color='text.secondary'>
                    flags
                </Typography>
            </Box>
            <Box sx={{ display: 'flex', flexDirection: 'column' }}>
                <Typography variant='subtitle2' color='primary'>
                    {project.members}
                </Typography>
                <Typography variant='caption' color='text.secondary'>
                    members
                </Typography>
            </Box>
            <Box sx={{ display: 'flex', flexDirection: 'column' }}>
                <Typography variant='subtitle2' color='primary'>
                    {project.health}%
                </Typography>
                <Typography variant='caption' color='text.secondary'>
                    health
                </Typography>
            </Box>
        </Box>
    );
};

const SpacedGridItem = styled(Grid)(({ theme }) => ({
    padding: theme.spacing(4),
    border: `0.5px solid ${theme.palette.divider}`,
}));

const useProjects = () => {
    const myProjects = useProfile().profile?.projects || [];

    // TODO: add real data for flags/members/health
    const projects = myProjects.map((project) => ({
        name: project,
        flags: 0,
        members: 1,
        health: 100,
    }));

    const [activeProject, setActiveProject] = useState(projects[0]?.name);

    useEffect(() => {
        if (!activeProject && projects.length > 0) {
            setActiveProject(projects[0].name);
        }
    }, [JSON.stringify(projects)]);

    return { projects, activeProject, setActiveProject };
};

export const PersonalDashboard = () => {
    const { user } = useAuthUser();

    const name = user?.name;

    const { projects, activeProject, setActiveProject } = useProjects();

    return (
        <div>
            <Typography component='h2' variant='h2'>
                Welcome {name}
            </Typography>
            <ScreenExplanation>
                Here are some tasks we think would be useful in order to get the
                most of Unleash
            </ScreenExplanation>
            <StyledHeaderTitle>Your resources</StyledHeaderTitle>
            <ContentGrid container columns={{ lg: 12, md: 1 }}>
                <SpacedGridItem item lg={4} md={1}>
                    <Typography variant='h3'>My projects</Typography>
                </SpacedGridItem>
                <SpacedGridItem
                    item
                    lg={8}
                    md={1}
                    sx={{ display: 'flex', justifyContent: 'flex-end' }}
                >
                    <Badge color='warning'>Setup incomplete</Badge>
                </SpacedGridItem>
                <SpacedGridItem item lg={4} md={1}>
                    <List
                        disablePadding={true}
                        sx={{ maxHeight: '400px', overflow: 'auto' }}
                    >
                        {projects.map((project) => {
                            return (
                                <ListItem
                                    key={project.name}
                                    disablePadding={true}
                                    sx={{ mb: 1 }}
                                >
                                    <ListItemButton
                                        sx={projectStyle}
                                        selected={
                                            project.name === activeProject
                                        }
                                        onClick={() =>
                                            setActiveProject(project.name)
                                        }
                                    >
                                        <ProjectBox>
                                            <ProjectIcon color='primary' />
                                            <StyledCardTitle>
                                                {project.name}
                                            </StyledCardTitle>
                                            <IconButton
                                                component={Link}
                                                href={`projects/${project.name}`}
                                                size='small'
                                                sx={{ ml: 'auto' }}
                                            >
                                                <LinkIcon
                                                    titleAccess={`projects/${project.name}`}
                                                />
                                            </IconButton>
                                        </ProjectBox>
                                        {project.name === activeProject ? (
                                            <ActiveProjectDetails
                                                project={project}
                                            />
                                        ) : null}
                                    </ListItemButton>
                                </ListItem>
                            );
                        })}
                    </List>
                </SpacedGridItem>
                <SpacedGridItem item lg={4} md={1}>
                    {activeProject ? (
                        <CreateFlag project={activeProject} />
                    ) : null}
                </SpacedGridItem>
                <SpacedGridItem item lg={4} md={1}>
                    {activeProject ? (
                        <ConnectSDK project={activeProject} />
                    ) : null}
                </SpacedGridItem>
                <SpacedGridItem item lg={4} md={1} />
                <SpacedGridItem
                    item
                    lg={8}
                    md={1}
                    sx={{ display: 'flex', gap: 1, alignItems: 'center' }}
                >
                    <span>Your roles in this project:</span>{' '}
                    <Badge color='secondary'>Member</Badge>{' '}
                    <Badge color='secondary'>Another</Badge>
                </SpacedGridItem>
            </ContentGrid>
            <ContentGrid container columns={{ lg: 12, md: 1 }} sx={{ mt: 2 }}>
                <SpacedGridItem item lg={4} md={1}>
                    <Typography variant='h3'>My feature flags</Typography>
                </SpacedGridItem>
                <SpacedGridItem item lg={8} md={1} />
                <SpacedGridItem item lg={4} md={1}>
                    <Typography>
                        You have not created or favorited any feature flags.
                        Once you do, the will show up here.
                    </Typography>
                </SpacedGridItem>
                <SpacedGridItem item lg={8} md={1}>
                    <Typography sx={{ mb: 4 }}>Feature flag metrics</Typography>
                    <PlaceholderFlagMetricsChart />
                </SpacedGridItem>
            </ContentGrid>
        </div>
    );
};