import type { Plugin } from "vite";
import { SAFE_CHAR_MAP_LOCALE } from "./config";
import { createCtx } from "../ctx";
import { compareVersion, readFile, rootDir } from "../utils";
import { createEps } from "../eps";
import { uniq } from "lodash";

// 获取 tailwind.config.ts 中的颜色
function getTailwindColor() {
	const config = readFile(rootDir("tailwind.config.ts"));

	if (!config) {
		return null;
	}

	try {
		// 从配置文件中动态提取主色和表面色
		const colorResult: Record<string, string> = {};

		// 提取 getPrimary 调用中的颜色名称
		const primaryMatch = config.match(/getPrimary\(["']([^"']+)["']\)/);
		const primaryColorName = primaryMatch?.[1];

		// 提取 getSurface 调用中的颜色名称
		const surfaceMatch = config.match(/getSurface\(["']([^"']+)["']\)/);
		const surfaceColorName = surfaceMatch?.[1];

		if (primaryColorName) {
			// 提取 PRIMARY_COLOR_PALETTES 中对应的调色板
			const primaryPaletteMatch = config.match(
				new RegExp(
					`{\\s*name:\\s*["']${primaryColorName}["'],\\s*palette:\\s*({[^}]+})`,
					"s",
				),
			);

			if (primaryPaletteMatch) {
				// 解析调色板对象
				const paletteStr = primaryPaletteMatch[1];
				const paletteEntries = paletteStr.match(/(\d+):\s*["']([^"']+)["']/g);

				if (paletteEntries) {
					paletteEntries.forEach((entry: string) => {
						const match = entry.match(/(\d+):\s*["']([^"']+)["']/);
						if (match) {
							const [, key, value] = match;
							colorResult[`primary-${key}`] = value;
						}
					});
				}
			}
		}

		if (surfaceColorName) {
			// 提取 SURFACE_PALETTES 中对应的调色板
			const surfacePaletteMatch = config.match(
				new RegExp(
					`{\\s*name:\\s*["']${surfaceColorName}["'],\\s*palette:\\s*({[^}]+})`,
					"s",
				),
			);

			if (surfacePaletteMatch) {
				// 解析调色板对象
				const paletteStr = surfacePaletteMatch[1];
				const paletteEntries = paletteStr.match(/(\d+):\s*["']([^"']+)["']/g);

				if (paletteEntries) {
					paletteEntries.forEach((entry: string) => {
						const match = entry.match(/(\d+):\s*["']([^"']+)["']/);
						if (match) {
							const [, key, value] = match;
							// 0 对应 surface，其他对应 surface-*
							const colorKey = key === "0" ? "surface" : `surface-${key}`;
							colorResult[colorKey] = value;
						}
					});
				}
			}
		}

		return colorResult;
	} catch (error) {
		return null;
	}
}

// 获取版本号
function getVersion() {
	const pkg = readFile(rootDir("package.json"), true);
	return pkg?.version || "0.0.0";
}

export function codePlugin(): Plugin[] {
	return [
		{
			name: "vite-cool-uniappx-code-pre",
			enforce: "pre",
			async transform(code, id) {
				if (id.includes("/cool/ctx/index.ts")) {
					const ctx = await createCtx();

					// 版本
					const version = getVersion();

					// 主题配置
					const theme = readFile(rootDir("theme.json"), true);

					// 主题配置
					ctx["theme"] = theme;

					if (compareVersion(version, "8.0.2") >= 0) {
						// 颜色值
						ctx["color"] = getTailwindColor();
					}

					// 安全字符映射
					ctx["SAFE_CHAR_MAP_LOCALE"] = [];
					for (const i in SAFE_CHAR_MAP_LOCALE) {
						ctx["SAFE_CHAR_MAP_LOCALE"].push([i, SAFE_CHAR_MAP_LOCALE[i]]);
					}

					code = code.replace(
						"const ctx = {}",
						`const ctx = ${JSON.stringify(ctx, null, 4)}`,
					);
				}

				if (id.includes("/cool/service/index.ts")) {
					const eps = await createEps();

					if (eps.serviceCode) {
						const { content, types } = eps.serviceCode;
						const typeCode = `import type { ${uniq(types).join(", ")} } from '../types';`;

						code =
							typeCode +
							"\n\n" +
							code.replace("const service = {}", `const service = ${content}`);
					}
				}

				if (id.endsWith(".json")) {
					const d = JSON.parse(code);

					for (let i in d) {
						let k = i;

						for (let j in SAFE_CHAR_MAP_LOCALE) {
							k = k.replaceAll(j, SAFE_CHAR_MAP_LOCALE[j]);
						}

						if (k != i) {
							d[k] = d[i];
							delete d[i];
						}
					}

					code = JSON.stringify(d);
				}

				return {
					code,
					map: { mappings: "" },
				};
			},
		},
		{
			name: "vite-cool-uniappx-code",
			transform(code, id) {
				if (id.endsWith(".json")) {
					return {
						code: code.replace("new UTSJSONObject", ""),
						map: { mappings: "" },
					};
				}
			},
		},
	];
}