import convert from 'color-convert';

import type { Template } from './index.js';

import { colorSetToVariants } from '../color-set/index.js';

import { source } from 'common-tags';

function gtermToCterm(hex: string): number {

return convert.hex.ansi256(hex);

}

const template: Template = {

name: 'Vim lightline',

render: async function* (colorSet) {

const variants = colorSetToVariants(colorSet);

const colorVars = variants

.map(

({ colors, name }) => source`

if &background == '${name}'

let s:guishade0 = "${colors.shade0}"

let s:guishade1 = "${colors.shade1}"

let s:guishade2 = "${colors.shade2}"

let s:guishade3 = "${colors.shade3}"

let s:guishade4 = "${colors.shade4}"

let s:guishade5 = "${colors.shade5}"

let s:guishade6 = "${colors.shade6}"

let s:guishade7 = "${colors.shade7}"

let s:guiaccent0 = "${colors.accent0}"

let s:guiaccent1 = "${colors.accent1}"

let s:guiaccent2 = "${colors.accent2}"

let s:guiaccent3 = "${colors.accent3}"

let s:guiaccent4 = "${colors.accent4}"

let s:guiaccent5 = "${colors.accent5}"

let s:guiaccent6 = "${colors.accent6}"

let s:guiaccent7 = "${colors.accent7}"

let s:shade0 = ${gtermToCterm(colors.shade0)}

let s:shade1 = ${gtermToCterm(colors.shade1)}

let s:shade2 = ${gtermToCterm(colors.shade2)}

let s:shade3 = ${gtermToCterm(colors.shade3)}

let s:shade4 = ${gtermToCterm(colors.shade4)}

let s:shade5 = ${gtermToCterm(colors.shade5)}

let s:shade6 = ${gtermToCterm(colors.shade6)}

let s:shade7 = ${gtermToCterm(colors.shade7)}

let s:accent0 = ${gtermToCterm(colors.accent0)}

let s:accent1 = ${gtermToCterm(colors.accent1)}

let s:accent2 = ${gtermToCterm(colors.accent2)}

let s:accent3 = ${gtermToCterm(colors.accent3)}

let s:accent4 = ${gtermToCterm(colors.accent4)}

let s:accent5 = ${gtermToCterm(colors.accent5)}

let s:accent6 = ${gtermToCterm(colors.accent6)}

let s:accent7 = ${gtermToCterm(colors.accent7)}

endif

`,

)

.join('\n');

yield {

path: `${colorSet.title.upperCamel}Lightline.vim`,

content: source`

${colorVars}

let s:p = {'normal': {}, 'inactive': {}, 'insert': {}, 'replace': {}, 'visual': {}, 'tabline': {}}

let s:p.normal.left = [ [ s:guishade1, s:guiaccent5, s:shade1, s:accent5 ], [ s:guishade7, s:guishade2, s:shade7, s:shade2 ] ]

let s:p.normal.right = [ [ s:guishade1, s:guishade4, s:shade1, s:shade4 ], [ s:guishade5, s:guishade2, s:shade5, s:shade2 ] ]

let s:p.inactive.right = [ [ s:guishade1, s:guishade3, s:shade1, s:shade3 ], [ s:guishade3, s:guishade1, s:shade3, s:shade1 ] ]

let s:p.inactive.left = [ [ s:guishade4, s:guishade1, s:shade4, s:shade1 ], [ s:guishade3, s:guishade0, s:shade3, s:shade0 ] ]

let s:p.insert.left = [ [ s:guishade1, s:guiaccent3, s:shade1, s:accent3 ], [ s:guishade7, s:guishade2, s:shade7, s:shade2 ] ]

let s:p.replace.left = [ [ s:guishade1, s:guiaccent1, s:shade1, s:accent1 ], [ s:guishade7, s:guishade2, s:shade7, s:shade2 ] ]

let s:p.visual.left = [ [ s:guishade1, s:guiaccent6, s:shade1, s:accent6 ], [ s:guishade7, s:guishade2, s:shade7, s:shade2 ] ]

let s:p.normal.middle = [ [ s:guishade5, s:guishade1, s:shade5, s:shade1 ] ]

let s:p.inactive.middle = [ [ s:guishade4, s:guishade1, s:shade4, s:shade1 ] ]

let s:p.tabline.left = [ [ s:guishade6, s:guishade2, s:shade6, s:shade2 ] ]

let s:p.tabline.tabsel = [ [ s:guishade6, s:guishade0, s:shade6, s:shade0 ] ]

let s:p.tabline.middle = [ [ s:guishade2, s:guishade4, s:shade2, s:shade4 ] ]

let s:p.tabline.right = copy(s:p.normal.right)

let s:p.normal.error = [ [ s:guiaccent0, s:guishade0, s:accent0, s:shade0 ] ]

let s:p.normal.warning = [ [ s:guiaccent2, s:guishade1, s:accent2, s:shade1 ] ]

let g:lightline#colorscheme#${colorSet.title.upperCamel}#palette = s:p

`,

};

},

renderInstructions: ([path], colorSet) => source`

`,

};

export default template;