import React from 'react';
import { Box, Link, Typography, Avatar, Grid, SxProps } from '@mui/material';
import { 
  Card,
  CardContent,
  Divider,
  useTheme,
} from '@mui/material';
import DeleteIcon from '@mui/icons-material/Delete';
import { useMediaQuery } from '@mui/material';
import { Candidate, CandidateAI } from 'types/types';
import { CopyBubble } from "components/CopyBubble";
import { rest } from 'lodash';
import { AIBanner } from 'components/ui/AIBanner';
import { useAuth } from 'hooks/AuthContext';
import { DeleteConfirmation } from '../DeleteConfirmation';

interface CandidateInfoProps {
  candidate: Candidate;
  sx?: SxProps;
  action?: string;
  elevation?: number;
  variant?: "small" | "normal" | null
};

const CandidateInfo: React.FC<CandidateInfoProps> = (props: CandidateInfoProps) => {
  const { candidate } = props;
  const { user, apiClient } = useAuth();
    const {
      sx,
      action = '',
      elevation = 1,
      variant = "normal"
    } = props;
  const theme = useTheme();
  const isMobile = useMediaQuery(theme.breakpoints.down('md'));
  const ai: CandidateAI | null = ('isAI' in candidate) ? candidate as CandidateAI : null;
  const isAdmin = user?.isAdmin;

  const deleteCandidate = async (candidateId: string | undefined) => {
    if (candidateId) {
      await apiClient.deleteCandidate(candidateId);
    }
  }

  if (!candidate) {
    return <Box>No user loaded.</Box>;
  }

  return (
    <Card 
      elevation={elevation}
      sx={{ 
        display: "flex",
        borderColor: 'transparent',
        borderWidth: 2,
        borderStyle: 'solid',
        transition: 'all 0.3s ease',
        ...sx
      }}
      {...rest}
    >
      <CardContent sx={{ display: "flex", flexGrow: 1, p: 3, height: '100%', flexDirection: 'column', alignItems: 'stretch', position: "relative" }}>
        {ai && <AIBanner />}
                    
        <Grid container spacing={2}>
        <Grid 
          size={{ xs: 12, sm: 2 }} 
          sx={{ 
            display: 'flex', 
            justifyContent: 'center', 
            alignItems: 'center', 
            minWidth: "80px", 
            maxWidth: "80px" 
            }}>
          <Avatar
              src={candidate.profileImage ? `/api/1.0/candidates/profile/${candidate.username}?timestamp=${Date.now()}` : ''}
              alt={`${candidate.fullName}'s profile`}
            sx={{
              alignSelf: "flex-start",
              width: 80,
              height: 80,
              border: '2px solid #e0e0e0',
            }}
            />
        </Grid>
          {isAdmin && ai &&
            <DeleteConfirmation
              onDelete={() => { deleteCandidate(candidate.id); }}
              sx={{ minWidth: 'auto', px: 2, maxHeight: "min-content", color: "red" }}
              action="delete"
              label="user"
              title="Delete AI user"
              icon=<DeleteIcon />
              message={`Are you sure you want to delete ${candidate.username}? This action cannot be undone.`}
            />}

        <Grid size={{ xs: 12, sm: 10 }}>
          <Box 
            sx={{ 
              display: 'flex', 
              justifyContent: 'space-between', 
              alignItems: 'flex-start', 
              mb: 1 }}>
            <Box>
              <Box sx={{ 
                display: "flex", 
                flexDirection: isMobile ? "column" : "row", 
                alignItems: "left", 
                gap: 1, "& > .MuiTypography-root": { m: 0 } 
              }}>
                {
                  action !== '' && 
                    <Typography variant="body1">{action}</Typography>
                }
                <Typography variant="h5" component="h1" 
                  sx={{ 
                    fontWeight: 'bold', 
                    whiteSpace: 'nowrap' 
                  }}>
                    {candidate.fullName}
                </Typography>
              </Box>
              <Box sx={{ fontSize: "0.75rem", alignItems: "center" }} >
                <Link href={`/u/${candidate.username}`}>{`/u/${candidate.username}`}</Link>
                <CopyBubble
                  onClick={(event: any) => { event.stopPropagation() }}
                  tooltip="Copy link" content={`${window.location.origin}/u/{candidate.username}`} />
              </Box>
              </Box>
          </Box>

          <Typography variant="body1" color="text.secondary">
            {candidate.description}
          </Typography>

            {variant !== "small" && <>
              <Divider sx={{ my: 2 }} />
                    
              {candidate.location &&
                <Typography variant="body2" sx={{ mb: 1 }}>
                  <strong>Location:</strong> {candidate.location.city}, {candidate.location.state || candidate.location.country}
                </Typography>
              }
              {candidate.email &&
                <Typography variant="body2" sx={{ mb: 1 }}>
                  <strong>Email:</strong> {candidate.email}
                </Typography>
              }
              {candidate.phone && <Typography variant="body2">
                      <strong>Phone:</strong> {candidate.phone}
              </Typography>
              }
            </>}
          </Grid>
        </Grid>
      </CardContent>
    </Card>
  );
};

export { CandidateInfo };