name: Sync Project Status

on:
  issues:
    types: [labeled]

jobs:
  update-project:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      issues: write
      repository-projects: write

    steps:
      - name: Update project status from label
        uses: actions/github-script@v7
        with:
          github-token: ${{ secrets.PROJECT_AUTOMATION_TOKEN != '' && secrets.PROJECT_AUTOMATION_TOKEN || github.token }}
          script: |

            const labelMap = {
              "backlog": "Backlog",
              "needs discussion": "Needs discussion",
              "approved": "Approved",
              "ready": "Ready",
              "in progress": "In progress",
              "in review": "In review",
              "done": "Done"
            };

            const label = context.payload.label.name.toLowerCase();
            const targetOptionName = labelMap[label];

            if (!targetOptionName) return;

            const issueNodeId = context.payload.issue.node_id;

            const configuredProjectId = "PVT_kwHOBeIeKs4AfmUO";
            const fieldId = "PVTSSF_lAHOBeIeKs4AfmUOzgU5pCI";

            const sleep = (ms) => new Promise((resolve) => setTimeout(resolve, ms));

            async function fetchIssueProjectItems() {
              const result = await github.graphql(`
                query($issueId: ID!) {
                  node(id: $issueId) {
                    ... on Issue {
                      projectItems(first: 100) {
                        nodes {
                          id
                          project {
                            id
                            title
                          }
                        }
                      }
                    }
                  }
                }
              `, {
                issueId: issueNodeId
              });

              return result.node?.projectItems?.nodes ?? [];
            }

            // Retry a few times in case project membership is still syncing.
            let issueProjectItems = [];
            for (let attempt = 1; attempt <= 4; attempt++) {
              issueProjectItems = await fetchIssueProjectItems();
              if (issueProjectItems.length > 0) break;
              if (attempt < 4) await sleep(3000);
            }

            let exactMatch = issueProjectItems.find(
              (node) => node.project?.id === configuredProjectId
            );

            let itemId = exactMatch?.id;
            let projectId = exactMatch?.project?.id;

            // If issue is not in the configured project yet, try to add it.
            if (!itemId) {
              try {
                const added = await github.graphql(`
                  mutation($projectId: ID!, $contentId: ID!) {
                    addProjectV2ItemById(input: { projectId: $projectId, contentId: $contentId }) {
                      item {
                        id
                      }
                    }
                  }
                `, {
                  projectId: configuredProjectId,
                  contentId: issueNodeId
                });

                itemId = added.addProjectV2ItemById?.item?.id;
                projectId = configuredProjectId;
              } catch (error) {
                const availableProjects = issueProjectItems
                  .map((node) => `${node.project?.title ?? "(untitled)"} [${node.project?.id ?? "no-id"}]`)
                  .join(", ");
                console.log(`Issue not in configured project ${configuredProjectId}. Available: ${availableProjects || "none"}`);
                console.log(`Failed to auto-add issue to configured project: ${error.message}`);
                return;
              }
            }

            if (!itemId || !projectId) {
              const availableProjects = issueProjectItems
                .map((node) => `${node.project?.title ?? "(untitled)"} [${node.project?.id ?? "no-id"}]`)
                .join(", ");
              console.log(`Issue not in configured project ${configuredProjectId}. Available: ${availableProjects || "none"}`);
              return;
            }

            const fieldResult = await github.graphql(`
              query($fieldId: ID!) {
                node(id: $fieldId) {
                  ... on ProjectV2SingleSelectField {
                    id
                    options {
                      id
                      name
                    }
                  }
                }
              }
            `, {
              fieldId: fieldId
            });

            const options = fieldResult.node?.options ?? [];
            const selectedOption = options.find(
              (option) => option.name?.toLowerCase() === targetOptionName.toLowerCase()
            );

            if (!selectedOption?.id) {
              const availableOptions = options.map((option) => option.name).join(", ");
              console.log(`Could not find option '${targetOptionName}' for field ${fieldId}. Available options: ${availableOptions || "none"}`);
              return;
            }

            // update status field
            await github.graphql(`
              mutation($projectId: ID!, $itemId: ID!, $fieldId: ID!, $optionId: String!) {
                updateProjectV2ItemFieldValue(
                  input: {
                    projectId: $projectId
                    itemId: $itemId
                    fieldId: $fieldId
                    value: { singleSelectOptionId: $optionId }
                  }
                ) {
                  projectV2Item {
                    id
                  }
                }
              }
            `, {
              projectId: projectId,
              itemId: itemId,
              fieldId: fieldId,
              optionId: selectedOption.id
            });