import { createTheme, ThemeOptions } from '@mui/material/styles';

/** Golden ratio constant for proportional spacing/sizing */
export const GOLDEN_RATIO = 1.618;

// Fire department red color palette
const primaryRed = {
  main: '#d32f2f',
  light: '#ff6659',
  dark: '#9a0007',
  contrastText: '#ffffff',
};

const secondaryBlue = {
  main: '#1976d2',
  light: '#63a4ff',
  dark: '#004ba0',
  contrastText: '#ffffff',
};

const lightThemeOptions: ThemeOptions = {
  palette: {
    mode: 'light',
    primary: primaryRed,
    secondary: secondaryBlue,
    background: {
      default: '#f0f2f5',
      paper: '#ffffff',
    },
    divider: 'rgba(0, 0, 0, 0.08)',
    error: {
      main: '#ef4444',
    },
    warning: {
      main: '#f59e0b',
    },
    info: {
      main: '#3b82f6',
    },
    success: {
      main: '#22c55e',
    },
  },
  typography: {
    fontFamily: [
      'Inter',
      '-apple-system',
      'BlinkMacSystemFont',
      '"Segoe UI"',
      'Roboto',
      '"Helvetica Neue"',
      'Arial',
      'sans-serif',
    ].join(','),
    h1: {
      fontSize: '2.25rem',
      fontWeight: 700,
      lineHeight: 1.2,
      letterSpacing: '-0.02em',
    },
    h2: {
      fontSize: '1.875rem',
      fontWeight: 700,
      lineHeight: 1.3,
      letterSpacing: '-0.01em',
    },
    h3: {
      fontSize: '1.5rem',
      fontWeight: 700,
      lineHeight: 1.4,
    },
    h4: {
      fontSize: '1.25rem',
      fontWeight: 700,
      lineHeight: 1.4,
    },
    h5: {
      fontSize: '1.125rem',
      fontWeight: 700,
      lineHeight: 1.5,
    },
    h6: {
      fontSize: '1rem',
      fontWeight: 600,
      lineHeight: 1.6,
    },
    subtitle1: {
      fontSize: '0.9375rem',
      fontWeight: 600,
      lineHeight: 1.5,
    },
    body1: {
      fontSize: '0.9375rem',
      lineHeight: 1.6,
    },
    body2: {
      fontSize: '0.8125rem',
      lineHeight: 1.5,
    },
    caption: {
      fontSize: '0.6875rem',
      fontWeight: 500,
      lineHeight: 1.5,
      letterSpacing: '0.04em',
    },
    button: {
      textTransform: 'none',
      fontWeight: 600,
      fontSize: '0.8125rem',
    },
  },
  spacing: 8,
  shape: {
    borderRadius: 10,
  },
  components: {
    MuiCssBaseline: {
      styleOverrides: {
        body: {
          WebkitFontSmoothing: 'antialiased',
          MozOsxFontSmoothing: 'grayscale',
        },
      },
    },
    MuiButton: {
      styleOverrides: {
        root: {
          borderRadius: 8,
          padding: '8px 18px',
          fontWeight: 600,
        },
        contained: {
          boxShadow: 'none',
          '&:hover': {
            boxShadow: '0 2px 8px rgba(0,0,0,0.15)',
          },
        },
        outlined: {
          borderWidth: 1.5,
          '&:hover': {
            borderWidth: 1.5,
          },
        },
      },
    },
    MuiCard: {
      styleOverrides: {
        root: {
          borderRadius: 14,
          border: '1px solid rgba(0, 0, 0, 0.06)',
          boxShadow: '0 1px 2px rgba(0,0,0,0.04)',
          transition: 'border-color 0.2s ease, box-shadow 0.2s ease',
          '&:hover': {
            borderColor: 'rgba(0, 0, 0, 0.12)',
            boxShadow: '0 2px 8px rgba(0,0,0,0.08)',
          },
        },
      },
    },
    MuiPaper: {
      styleOverrides: {
        root: {
          borderRadius: 10,
        },
        elevation0: {
          boxShadow: 'none',
        },
        elevation1: {
          border: '1px solid rgba(0, 0, 0, 0.06)',
          boxShadow: '0 1px 2px rgba(0,0,0,0.04)',
        },
        elevation2: {
          boxShadow: '0 2px 8px rgba(0,0,0,0.08)',
        },
        elevation3: {
          boxShadow: '0 4px 16px rgba(0,0,0,0.1)',
        },
      },
    },
    MuiAppBar: {
      styleOverrides: {
        root: {
          boxShadow: '0 1px 0 rgba(0,0,0,0.06)',
        },
      },
    },
    MuiChip: {
      styleOverrides: {
        root: {
          fontWeight: 500,
          borderRadius: 6,
        },
        sizeSmall: {
          height: 22,
          fontSize: '0.6875rem',
        },
      },
    },
    MuiTextField: {
      defaultProps: {
        InputLabelProps: {
          shrink: true,
        },
      },
    },
    MuiOutlinedInput: {
      styleOverrides: {
        root: {
          borderRadius: 8,
          '& .MuiOutlinedInput-notchedOutline': {
            borderColor: 'rgba(0, 0, 0, 0.12)',
          },
          '& .MuiOutlinedInput-notchedOutline legend': {
            fontSize: '0.75em',
          },
        },
      },
    },
    MuiTableHead: {
      styleOverrides: {
        root: {
          '& .MuiTableCell-head': {
            textTransform: 'uppercase',
            fontSize: '0.6875rem',
            fontWeight: 600,
            letterSpacing: '0.06em',
            color: 'rgba(0, 0, 0, 0.5)',
            borderBottom: '2px solid rgba(0, 0, 0, 0.06)',
          },
        },
      },
    },
    MuiTableRow: {
      styleOverrides: {
        root: {
          '&.MuiTableRow-hover:hover': {
            backgroundColor: 'rgba(0, 0, 0, 0.02)',
          },
        },
      },
    },
    MuiTableCell: {
      styleOverrides: {
        root: {
          borderBottom: '1px solid rgba(0, 0, 0, 0.04)',
        },
      },
    },
    MuiDialog: {
      styleOverrides: {
        paper: {
          borderRadius: 14,
        },
      },
    },
    MuiDivider: {
      styleOverrides: {
        root: {
          borderColor: 'rgba(0, 0, 0, 0.06)',
        },
      },
    },
    MuiTooltip: {
      styleOverrides: {
        tooltip: {
          borderRadius: 6,
          fontSize: '0.75rem',
        },
      },
    },
  },
};

const darkThemeOptions: ThemeOptions = {
  ...lightThemeOptions,
  palette: {
    mode: 'dark',
    primary: primaryRed,
    secondary: secondaryBlue,
    background: {
      default: '#0f1117',
      paper: '#1a1d27',
    },
    divider: 'rgba(255, 255, 255, 0.08)',
    error: {
      main: '#ef4444',
    },
    warning: {
      main: '#f59e0b',
    },
    info: {
      main: '#3b82f6',
    },
    success: {
      main: '#22c55e',
    },
  },
  components: {
    ...lightThemeOptions.components,
    MuiTableHead: {
      styleOverrides: {
        root: {
          '& .MuiTableCell-head': {
            textTransform: 'uppercase',
            fontSize: '0.6875rem',
            fontWeight: 600,
            letterSpacing: '0.06em',
            color: 'rgba(255, 255, 255, 0.5)',
            borderBottom: '2px solid rgba(255, 255, 255, 0.08)',
          },
        },
      },
    },
    MuiTableRow: {
      styleOverrides: {
        root: {
          '&.MuiTableRow-hover:hover': {
            backgroundColor: 'rgba(255, 255, 255, 0.04)',
          },
        },
      },
    },
    MuiTableCell: {
      styleOverrides: {
        root: {
          borderBottom: '1px solid rgba(255, 255, 255, 0.08)',
        },
      },
    },
    MuiCard: {
      styleOverrides: {
        root: {
          borderRadius: 14,
          border: '1px solid rgba(255, 255, 255, 0.06)',
          boxShadow: '0 1px 2px rgba(0,0,0,0.2)',
          transition: 'border-color 0.2s ease, box-shadow 0.2s ease',
          '&:hover': {
            borderColor: 'rgba(255, 255, 255, 0.12)',
            boxShadow: '0 2px 8px rgba(0,0,0,0.3)',
          },
        },
      },
    },
    MuiDivider: {
      styleOverrides: {
        root: {
          borderColor: 'rgba(255, 255, 255, 0.08)',
        },
      },
    },
  },
};

export const lightTheme = createTheme(lightThemeOptions);
export const darkTheme = createTheme(darkThemeOptions);

export default lightTheme;