import { escape } from "html-escaper";
import { Traverse } from "neotraverse/modern";
import pLimit from "p-limit";
import { ZodIssueCode, z } from "zod";
import { imageSrcToImportId } from "../assets/utils/resolveImports.js";
import { AstroError, AstroErrorData } from "../core/errors/index.js";
import { prependForwardSlash } from "../core/path.js";
import {
  createComponent,
  createHeadAndContent,
  renderComponent,
  renderScriptElement,
  renderTemplate,
  renderUniqueStylesheet,
  render as serverRender,
  unescapeHTML
} from "../runtime/server/index.js";
import { defineCollection as defineCollectionOrig } from "./config.js";
import { IMAGE_IMPORT_PREFIX } from "./consts.js";
import { globalDataStore } from "./data-store.js";
import {
  LiveCollectionCacheHintError,
  LiveCollectionError,
  LiveCollectionValidationError,
  LiveEntryNotFoundError
} from "./loaders/errors.js";
function createCollectionToGlobResultMap({
  globResult,
  contentDir
}) {
  const collectionToGlobResultMap = {};
  for (const key in globResult) {
    const keyRelativeToContentDir = key.replace(new RegExp(`^${contentDir}`), "");
    const segments = keyRelativeToContentDir.split("/");
    if (segments.length <= 1) continue;
    const collection = segments[0];
    collectionToGlobResultMap[collection] ??= {};
    collectionToGlobResultMap[collection][key] = globResult[key];
  }
  return collectionToGlobResultMap;
}
const cacheHintSchema = z.object({
  tags: z.array(z.string()).optional(),
  maxAge: z.number().optional(),
  lastModified: z.date().optional()
});
async function parseLiveEntry(entry, schema, collection) {
  try {
    const parsed = await schema.safeParseAsync(entry.data);
    if (!parsed.success) {
      return {
        error: new LiveCollectionValidationError(collection, entry.id, parsed.error)
      };
    }
    if (entry.cacheHint) {
      const cacheHint = cacheHintSchema.safeParse(entry.cacheHint);
      if (!cacheHint.success) {
        return {
          error: new LiveCollectionCacheHintError(collection, entry.id, cacheHint.error)
        };
      }
      entry.cacheHint = cacheHint.data;
    }
    return {
      entry: {
        ...entry,
        data: parsed.data
      }
    };
  } catch (error) {
    return {
      error: new LiveCollectionError(
        collection,
        `Unexpected error parsing entry ${entry.id} in collection ${collection}`,
        error
      )
    };
  }
}
function createGetCollection({
  contentCollectionToEntryMap,
  dataCollectionToEntryMap,
  getRenderEntryImport,
  cacheEntriesByCollection,
  liveCollections
}) {
  return async function getCollection(collection, filter) {
    if (collection in liveCollections) {
      throw new AstroError({
        ...AstroErrorData.UnknownContentCollectionError,
        message: `Collection "${collection}" is a live collection. Use getLiveCollection() instead of getCollection().`
      });
    }
    const hasFilter = typeof filter === "function";
    const store = await globalDataStore.get();
    let type;
    if (collection in contentCollectionToEntryMap) {
      type = "content";
    } else if (collection in dataCollectionToEntryMap) {
      type = "data";
    } else if (store.hasCollection(collection)) {
      const { default: imageAssetMap } = await import("astro:asset-imports");
      const result = [];
      for (const rawEntry of store.values(collection)) {
        const data = updateImageReferencesInData(rawEntry.data, rawEntry.filePath, imageAssetMap);
        let entry = {
          ...rawEntry,
          data,
          collection
        };
        if (entry.legacyId) {
          entry = emulateLegacyEntry(entry);
        }
        if (hasFilter && !filter(entry)) {
          continue;
        }
        result.push(entry);
      }
      return result;
    } else {
      console.warn(
        `The collection ${JSON.stringify(
          collection
        )} does not exist or is empty. Please check your content config file for errors.`
      );
      return [];
    }
    const lazyImports = Object.values(
      type === "content" ? contentCollectionToEntryMap[collection] : dataCollectionToEntryMap[collection]
    );
    let entries = [];
    if (!import.meta.env?.DEV && cacheEntriesByCollection.has(collection)) {
      entries = cacheEntriesByCollection.get(collection);
    } else {
      const limit = pLimit(10);
      entries = await Promise.all(
        lazyImports.map(
          (lazyImport) => limit(async () => {
            const entry = await lazyImport();
            return type === "content" ? {
              id: entry.id,
              slug: entry.slug,
              body: entry.body,
              collection: entry.collection,
              data: entry.data,
              async render() {
                return render({
                  collection: entry.collection,
                  id: entry.id,
                  renderEntryImport: await getRenderEntryImport(collection, entry.slug)
                });
              }
            } : {
              id: entry.id,
              collection: entry.collection,
              data: entry.data
            };
          })
        )
      );
      cacheEntriesByCollection.set(collection, entries);
    }
    if (hasFilter) {
      return entries.filter(filter);
    } else {
      return entries.slice();
    }
  };
}
function createGetEntryBySlug({
  getEntryImport,
  getRenderEntryImport,
  collectionNames,
  getEntry
}) {
  return async function getEntryBySlug(collection, slug) {
    const store = await globalDataStore.get();
    if (!collectionNames.has(collection)) {
      if (store.hasCollection(collection)) {
        const entry2 = await getEntry(collection, slug);
        if (entry2 && "slug" in entry2) {
          return entry2;
        }
        throw new AstroError({
          ...AstroErrorData.GetEntryDeprecationError,
          message: AstroErrorData.GetEntryDeprecationError.message(collection, "getEntryBySlug")
        });
      }
      console.warn(
        `The collection ${JSON.stringify(collection)} does not exist. Please ensure it is defined in your content config.`
      );
      return void 0;
    }
    const entryImport = await getEntryImport(collection, slug);
    if (typeof entryImport !== "function") return void 0;
    const entry = await entryImport();
    return {
      id: entry.id,
      slug: entry.slug,
      body: entry.body,
      collection: entry.collection,
      data: entry.data,
      async render() {
        return render({
          collection: entry.collection,
          id: entry.id,
          renderEntryImport: await getRenderEntryImport(collection, slug)
        });
      }
    };
  };
}
function createGetDataEntryById({
  getEntryImport,
  collectionNames,
  getEntry
}) {
  return async function getDataEntryById(collection, id) {
    const store = await globalDataStore.get();
    if (!collectionNames.has(collection)) {
      if (store.hasCollection(collection)) {
        return getEntry(collection, id);
      }
      console.warn(
        `The collection ${JSON.stringify(collection)} does not exist. Please ensure it is defined in your content config.`
      );
      return void 0;
    }
    const lazyImport = await getEntryImport(collection, id);
    if (!lazyImport) throw new Error(`Entry ${collection} \u2192 ${id} was not found.`);
    const entry = await lazyImport();
    return {
      id: entry.id,
      collection: entry.collection,
      data: entry.data
    };
  };
}
function emulateLegacyEntry({ legacyId, ...entry }) {
  const legacyEntry = {
    ...entry,
    id: legacyId,
    slug: entry.id
  };
  return {
    ...legacyEntry,
    // Define separately so the render function isn't included in the object passed to `renderEntry()`
    render: () => renderEntry(legacyEntry)
  };
}
function createGetEntry({
  getEntryImport,
  getRenderEntryImport,
  collectionNames,
  liveCollections
}) {
  return async function getEntry(collectionOrLookupObject, lookup) {
    let collection, lookupId;
    if (typeof collectionOrLookupObject === "string") {
      collection = collectionOrLookupObject;
      if (!lookup)
        throw new AstroError({
          ...AstroErrorData.UnknownContentCollectionError,
          message: "`getEntry()` requires an entry identifier as the second argument."
        });
      lookupId = lookup;
    } else {
      collection = collectionOrLookupObject.collection;
      lookupId = "id" in collectionOrLookupObject ? collectionOrLookupObject.id : collectionOrLookupObject.slug;
    }
    if (collection in liveCollections) {
      throw new AstroError({
        ...AstroErrorData.UnknownContentCollectionError,
        message: `Collection "${collection}" is a live collection. Use getLiveEntry() instead of getEntry().`
      });
    }
    if (typeof lookupId === "object") {
      throw new AstroError({
        ...AstroErrorData.UnknownContentCollectionError,
        message: `The entry identifier must be a string. Received object.`
      });
    }
    const store = await globalDataStore.get();
    if (store.hasCollection(collection)) {
      const entry2 = store.get(collection, lookupId);
      if (!entry2) {
        console.warn(`Entry ${collection} \u2192 ${lookupId} was not found.`);
        return;
      }
      const { default: imageAssetMap } = await import("astro:asset-imports");
      entry2.data = updateImageReferencesInData(entry2.data, entry2.filePath, imageAssetMap);
      if (entry2.legacyId) {
        return emulateLegacyEntry({ ...entry2, collection });
      }
      return {
        ...entry2,
        collection
      };
    }
    if (!collectionNames.has(collection)) {
      console.warn(
        `The collection ${JSON.stringify(collection)} does not exist. Please ensure it is defined in your content config.`
      );
      return void 0;
    }
    const entryImport = await getEntryImport(collection, lookupId);
    if (typeof entryImport !== "function") return void 0;
    const entry = await entryImport();
    if (entry._internal.type === "content") {
      return {
        id: entry.id,
        slug: entry.slug,
        body: entry.body,
        collection: entry.collection,
        data: entry.data,
        async render() {
          return render({
            collection: entry.collection,
            id: entry.id,
            renderEntryImport: await getRenderEntryImport(collection, lookupId)
          });
        }
      };
    } else if (entry._internal.type === "data") {
      return {
        id: entry.id,
        collection: entry.collection,
        data: entry.data
      };
    }
    return void 0;
  };
}
function createGetEntries(getEntry) {
  return async function getEntries(entries) {
    return Promise.all(entries.map((e) => getEntry(e)));
  };
}
function createGetLiveCollection({
  liveCollections
}) {
  return async function getLiveCollection(collection, filter) {
    if (!(collection in liveCollections)) {
      return {
        error: new LiveCollectionError(
          collection,
          `Collection "${collection}" is not a live collection. Use getCollection() instead of getLiveCollection() to load regular content collections.`
        )
      };
    }
    try {
      const context = {
        filter
      };
      const response = await liveCollections[collection].loader?.loadCollection?.(context);
      if (response && "error" in response) {
        return { error: response.error };
      }
      const { schema } = liveCollections[collection];
      let processedEntries = response.entries;
      if (schema) {
        const entryResults = await Promise.all(
          response.entries.map((entry) => parseLiveEntry(entry, schema, collection))
        );
        for (const result of entryResults) {
          if (result.error) {
            return { error: result.error };
          }
        }
        processedEntries = entryResults.map((result) => result.entry);
      }
      let cacheHint = response.cacheHint;
      if (cacheHint) {
        const cacheHintResult = cacheHintSchema.safeParse(cacheHint);
        if (!cacheHintResult.success) {
          return {
            error: new LiveCollectionCacheHintError(collection, void 0, cacheHintResult.error)
          };
        }
        cacheHint = cacheHintResult.data;
      }
      if (processedEntries.length > 0) {
        const entryTags = /* @__PURE__ */ new Set();
        let minMaxAge;
        let latestModified;
        for (const entry of processedEntries) {
          if (entry.cacheHint) {
            if (entry.cacheHint.tags) {
              entry.cacheHint.tags.forEach((tag) => entryTags.add(tag));
            }
            if (typeof entry.cacheHint.maxAge === "number") {
              if (minMaxAge === void 0 || entry.cacheHint.maxAge < minMaxAge) {
                minMaxAge = entry.cacheHint.maxAge;
              }
            }
            if (entry.cacheHint.lastModified instanceof Date) {
              if (latestModified === void 0 || entry.cacheHint.lastModified > latestModified) {
                latestModified = entry.cacheHint.lastModified;
              }
            }
          }
        }
        if (entryTags.size > 0 || minMaxAge !== void 0 || latestModified || cacheHint) {
          const mergedCacheHint = {};
          if (cacheHint?.tags || entryTags.size > 0) {
            mergedCacheHint.tags = [.../* @__PURE__ */ new Set([...cacheHint?.tags || [], ...entryTags])];
          }
          if (cacheHint?.maxAge !== void 0 || minMaxAge !== void 0) {
            mergedCacheHint.maxAge = cacheHint?.maxAge !== void 0 && minMaxAge !== void 0 ? Math.min(cacheHint.maxAge, minMaxAge) : cacheHint?.maxAge ?? minMaxAge;
          }
          if (cacheHint?.lastModified && latestModified) {
            mergedCacheHint.lastModified = cacheHint.lastModified > latestModified ? cacheHint.lastModified : latestModified;
          } else if (cacheHint?.lastModified || latestModified) {
            mergedCacheHint.lastModified = cacheHint?.lastModified ?? latestModified;
          }
          cacheHint = mergedCacheHint;
        }
      }
      return {
        entries: processedEntries,
        cacheHint
      };
    } catch (error) {
      return {
        error: new LiveCollectionError(
          collection,
          `Unexpected error loading collection ${collection}${error instanceof Error ? `: ${error.message}` : ""}`,
          error
        )
      };
    }
  };
}
function createGetLiveEntry({
  liveCollections
}) {
  return async function getLiveEntry(collection, lookup) {
    if (!(collection in liveCollections)) {
      return {
        error: new LiveCollectionError(
          collection,
          `Collection "${collection}" is not a live collection. Use getCollection() instead of getLiveEntry() to load regular content collections.`
        )
      };
    }
    try {
      const lookupObject = {
        filter: typeof lookup === "string" ? { id: lookup } : lookup
      };
      let entry = await liveCollections[collection].loader?.loadEntry?.(lookupObject);
      if (entry && "error" in entry) {
        return { error: entry.error };
      }
      if (!entry) {
        return {
          error: new LiveEntryNotFoundError(collection, lookup)
        };
      }
      const { schema } = liveCollections[collection];
      if (schema) {
        const result = await parseLiveEntry(entry, schema, collection);
        if (result.error) {
          return { error: result.error };
        }
        entry = result.entry;
      }
      return {
        entry,
        cacheHint: entry.cacheHint
      };
    } catch (error) {
      return {
        error: new LiveCollectionError(
          collection,
          `Unexpected error loading entry ${collection} \u2192 ${typeof lookup === "string" ? lookup : JSON.stringify(lookup)}`,
          error
        )
      };
    }
  };
}
const CONTENT_LAYER_IMAGE_REGEX = /__ASTRO_IMAGE_="([^"]+)"/g;
async function updateImageReferencesInBody(html, fileName) {
  const { default: imageAssetMap } = await import("astro:asset-imports");
  const imageObjects = /* @__PURE__ */ new Map();
  const { getImage } = await import("astro:assets");
  for (const [_full, imagePath] of html.matchAll(CONTENT_LAYER_IMAGE_REGEX)) {
    try {
      const decodedImagePath = JSON.parse(imagePath.replaceAll("&#x22;", '"'));
      let image;
      if (URL.canParse(decodedImagePath.src)) {
        image = await getImage(decodedImagePath);
      } else {
        const id = imageSrcToImportId(decodedImagePath.src, fileName);
        const imported = imageAssetMap.get(id);
        if (!id || imageObjects.has(id) || !imported) {
          continue;
        }
        image = await getImage({ ...decodedImagePath, src: imported });
      }
      imageObjects.set(imagePath, image);
    } catch {
      throw new Error(`Failed to parse image reference: ${imagePath}`);
    }
  }
  return html.replaceAll(CONTENT_LAYER_IMAGE_REGEX, (full, imagePath) => {
    const image = imageObjects.get(imagePath);
    if (!image) {
      return full;
    }
    const { index, ...attributes } = image.attributes;
    return Object.entries({
      ...attributes,
      src: image.src,
      srcset: image.srcSet.attribute,
      // This attribute is used by the toolbar audit
      ...import.meta.env.DEV ? { "data-image-component": "true" } : {}
    }).map(([key, value]) => value ? `${key}="${escape(value)}"` : "").join(" ");
  });
}
function updateImageReferencesInData(data, fileName, imageAssetMap) {
  return new Traverse(data).map(function(ctx, val) {
    if (typeof val === "string" && val.startsWith(IMAGE_IMPORT_PREFIX)) {
      const src = val.replace(IMAGE_IMPORT_PREFIX, "");
      const id = imageSrcToImportId(src, fileName);
      if (!id) {
        ctx.update(src);
        return;
      }
      const imported = imageAssetMap?.get(id);
      if (imported) {
        ctx.update(imported);
      } else {
        ctx.update(src);
      }
    }
  });
}
async function renderEntry(entry) {
  if (!entry) {
    throw new AstroError(AstroErrorData.RenderUndefinedEntryError);
  }
  if ("render" in entry && !("legacyId" in entry)) {
    return entry.render();
  }
  if (entry.deferredRender) {
    try {
      const { default: contentModules } = await import("astro:content-module-imports");
      const renderEntryImport = contentModules.get(entry.filePath);
      return render({
        collection: "",
        id: entry.id,
        renderEntryImport
      });
    } catch (e) {
      console.error(e);
    }
  }
  const html = entry?.rendered?.metadata?.imagePaths?.length && entry.filePath ? await updateImageReferencesInBody(entry.rendered.html, entry.filePath) : entry?.rendered?.html;
  const Content = createComponent(() => serverRender`${unescapeHTML(html)}`);
  return {
    Content,
    headings: entry?.rendered?.metadata?.headings ?? [],
    remarkPluginFrontmatter: entry?.rendered?.metadata?.frontmatter ?? {}
  };
}
async function render({
  collection,
  id,
  renderEntryImport
}) {
  const UnexpectedRenderError = new AstroError({
    ...AstroErrorData.UnknownContentCollectionError,
    message: `Unexpected error while rendering ${String(collection)} \u2192 ${String(id)}.`
  });
  if (typeof renderEntryImport !== "function") throw UnexpectedRenderError;
  const baseMod = await renderEntryImport();
  if (baseMod == null || typeof baseMod !== "object") throw UnexpectedRenderError;
  const { default: defaultMod } = baseMod;
  if (isPropagatedAssetsModule(defaultMod)) {
    const { collectedStyles, collectedLinks, collectedScripts, getMod } = defaultMod;
    if (typeof getMod !== "function") throw UnexpectedRenderError;
    const propagationMod = await getMod();
    if (propagationMod == null || typeof propagationMod !== "object") throw UnexpectedRenderError;
    const Content = createComponent({
      factory(result, baseProps, slots) {
        let styles = "", links = "", scripts = "";
        if (Array.isArray(collectedStyles)) {
          styles = collectedStyles.map((style) => {
            return renderUniqueStylesheet(result, {
              type: "inline",
              content: style
            });
          }).join("");
        }
        if (Array.isArray(collectedLinks)) {
          links = collectedLinks.map((link) => {
            return renderUniqueStylesheet(result, {
              type: "external",
              src: prependForwardSlash(link)
            });
          }).join("");
        }
        if (Array.isArray(collectedScripts)) {
          scripts = collectedScripts.map((script) => renderScriptElement(script)).join("");
        }
        let props = baseProps;
        if (id.endsWith("mdx")) {
          props = {
            components: propagationMod.components ?? {},
            ...baseProps
          };
        }
        return createHeadAndContent(
          unescapeHTML(styles + links + scripts),
          renderTemplate`${renderComponent(
            result,
            "Content",
            propagationMod.Content,
            props,
            slots
          )}`
        );
      },
      propagation: "self"
    });
    return {
      Content,
      headings: propagationMod.getHeadings?.() ?? [],
      remarkPluginFrontmatter: propagationMod.frontmatter ?? {}
    };
  } else if (baseMod.Content && typeof baseMod.Content === "function") {
    return {
      Content: baseMod.Content,
      headings: baseMod.getHeadings?.() ?? [],
      remarkPluginFrontmatter: baseMod.frontmatter ?? {}
    };
  } else {
    throw UnexpectedRenderError;
  }
}
function createReference({ lookupMap }) {
  return function reference(collection) {
    return z.union([
      z.string(),
      z.object({
        id: z.string(),
        collection: z.string()
      }),
      z.object({
        slug: z.string(),
        collection: z.string()
      })
    ]).transform(
      (lookup, ctx) => {
        const flattenedErrorPath = ctx.path.join(".");
        if (typeof lookup === "object") {
          if (lookup.collection !== collection) {
            ctx.addIssue({
              code: ZodIssueCode.custom,
              message: `**${flattenedErrorPath}**: Reference to ${collection} invalid. Expected ${collection}. Received ${lookup.collection}.`
            });
            return;
          }
          return lookup;
        }
        if (!lookupMap[collection]) {
          return { id: lookup, collection };
        }
        const { type, entries } = lookupMap[collection];
        const entry = entries[lookup];
        if (!entry) {
          ctx.addIssue({
            code: ZodIssueCode.custom,
            message: `**${flattenedErrorPath}**: Reference to ${collection} invalid. Expected ${Object.keys(
              entries
            ).map((c) => JSON.stringify(c)).join(" | ")}. Received ${JSON.stringify(lookup)}.`
          });
          return;
        }
        if (type === "content") {
          return { slug: lookup, collection };
        }
        return { id: lookup, collection };
      }
    );
  };
}
function isPropagatedAssetsModule(module) {
  return typeof module === "object" && module != null && "__astroPropagation" in module;
}
function defineCollection(config) {
  if (config.type === "live") {
    throw new AstroError({
      ...AstroErrorData.LiveContentConfigError,
      message: AstroErrorData.LiveContentConfigError.message(
        "Collections with type `live` must be defined in a `src/live.config.ts` file."
      )
    });
  }
  return defineCollectionOrig(config);
}
function defineLiveCollection() {
  throw new AstroError({
    ...AstroErrorData.LiveContentConfigError,
    message: AstroErrorData.LiveContentConfigError.message(
      "Live collections must be defined in a `src/live.config.ts` file."
    )
  });
}
export {
  LiveCollectionCacheHintError,
  LiveCollectionError,
  LiveCollectionValidationError,
  LiveEntryNotFoundError,
  createCollectionToGlobResultMap,
  createGetCollection,
  createGetDataEntryById,
  createGetEntries,
  createGetEntry,
  createGetEntryBySlug,
  createGetLiveCollection,
  createGetLiveEntry,
  createReference,
  defineCollection,
  defineLiveCollection,
  renderEntry
};