import type { YearConfig } from "../types/common";
import { stripIndents } from "common-tags";
import toFixed from "../utils/toFixed.js";

const renderYearDayBadges = (config: YearConfig) => {
	return config.days
		.map(({ part1, part2 }, index) => {
			const day = String(index + 1).padStart(2, "0");

			const color =
				(part1.solved && part2.solved) || (part1.solved && day === "25")
					? "green"
					: part1.solved || part2.solved
					? "yellow"
					: "gray";

			const badge = `![Day](https://badgen.net/badge/${day}/%E2%98%8${
				part1.solved ? 5 : 6
			}%E2%98%8${
				part2.solved || (part1.solved && day === "25") ? 5 : 6
			}/${color})`;

			return color !== "gray" ? `[${badge}](day${day})` : badge;
		})
		.join("\n");
};

const renderYearResults = (config: YearConfig) => {
	let totalTime = 0;
	let totalStars = 0;

	const results = config.days
		.map(({ title, part1, part2 }, index) => {
			const day = String(index + 1).padStart(2, "0");

			let timeBoth = 0;

			if (part1.solved) {
				totalStars++;
				totalTime += part1.time ?? 0;
				timeBoth += part1.time ?? 0;
			}
			if (part2.solved) {
				totalStars++;
				totalTime += part2.time ?? 0;
				timeBoth += part2.time ?? 0;
			}

			if (day === "25" && part1.solved) {
				totalStars++;
			}

			return stripIndents`
      \`\`\`
      Day ${day}${title != null ? " - " + title : ""}
      Time part 1: ${
			part1.time !== null && part1.solved
				? toFixed(part1.time) + "ms"
				: "-"
		}
      Time part 2: ${
			part2.time !== null && part2.solved
				? toFixed(part2.time) + "ms"
				: "-"
		}
      Both parts: ${timeBoth !== 0 ? toFixed(timeBoth) + "ms" : "-"}
      \`\`\`
    `;
		})
		.join("\n\n");

	const summary = stripIndents`
    \`\`\`
    Total stars: ${totalStars}/50
    Total time: ${toFixed(totalTime)}ms
    \`\`\`
  `;

	return [results, summary].join("\n\n");
};

const readmeYearMD = (language: string, config: YearConfig) => {
	const lang = language === "ts" ? "TypeScript" : "JavaScript";

	const dayBadges = renderYearDayBadges(config);
	const results = renderYearResults(config);

	return stripIndents`
    <!-- Entries between SOLUTIONS and RESULTS tags are auto-generated -->

    [![AoC](https://badgen.net/badge/AoC/${config.year}/blue)](https://adventofcode.com/${config.year})
    [![Node](https://badgen.net/badge/Node/v16.13.0+/blue)](https://nodejs.org/en/download/)
    ![Language](https://badgen.net/badge/Language/${lang}/blue)
    [![Template](https://badgen.net/badge/Template/aoc-automation/blue)](https://github.com/terryaney/aoc-automation)

    # 🎄 Advent of Code ${config.year} 🎄

    ## Solutions

    <!--SOLUTIONS-->

    ${dayBadges}

    <!--/SOLUTIONS-->

    _Click a badge to go to the specific day._

    ---

    ## Results

    <!--RESULTS-->

    ${results}

    <!--/RESULTS-->

    ---

    ✨🎄🎁🎄🎅🎄🎁🎄✨
  `;
};

export { renderYearDayBadges, renderYearResults };
export default readmeYearMD;